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Sa Corona 'e sa Craba, Barbusi, Carbonia, Carbonia-Iglesias Province, Sardinia, Italyi
Regional Level Types
Sa Corona 'e sa CrabaCave
BarbusiVillage
CarboniaMunicipality
Carbonia-Iglesias ProvinceProvince (Former)
SardiniaAutonomous Region
ItalyCountry

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Key
Latitude & Longitude (WGS84):
39° 11' 34'' North , 8° 30' 41'' East
Latitude & Longitude (decimal):
Locality type:
Nearest Settlements:
PlacePopulationDistance
Barbusi546 (2018)1.1km
Sirai289 (2018)1.5km
Carbonia21,664 (2018)3.2km
Cortoghiana2,478 (2018)4.5km
Medadeddu394 (2018)5.1km
Other Languages:
Italian:
Sa corona 'e sa craba, Barbusi, Carbonia, provincia di Carbonia-Iglesias, Sardegna, Italia
Sardinian:
Sa corona 'e sa craba, Brabusi, Carbònia (Crabònia), Provìntzia de Carbònia-Igrèsias, Sardigna (Sardìnnia), Itàlia


Sa Corona 'e sa Craba area, whose name in Sardinian means "The crown of the goat", was explored for Pb, Zn and Ba ores in the early 1930s, and economic exploitation went on for a little more than 30 years after 1950.

A natural cave, located to the SE of Barbusi village and named Sa Corona 'e sa Craba cave, is entirely developed within a quartzite vein at the contact with Cambrian dolostones. Its natural entrance, enlarged during mining operations, opens at 260 m a.s.l. It is composed of an over 200 m long and 20 m wide gallery developed in a NW-SE direction. The cave was discovered in 1971 by cavers of the Gruppo Ricerche Speleologiche E.A. Martel of Carbonia and, because of its mineralogical interest, became immediately the object of intense collection activities. The cave is composed of a series of rooms entirely developed inside the quartzite rocks. The host rock appears dark, greyish to brownish. Carbonate speleothems, typical of caves carved in limestones and dolostones, are missing. After the first room, the cave continues with a wide and high gallery that hosts a large guano deposit generated by an important bat colony inhabiting the cave during spring-early summer.

The cave is well-known among minerals collectors for baryte (in gorgeous crystals turning bluish when exposed to light), calcite, quartz, dolomite, and aragonite. The study of fluid inclusions found in baryte suggests their deposition at a temperature lower than 50°C, only when the rising reducing fluid became more oxidative (Sauro et al., 2014). Various secondary sulfates, phosphates, silicates, and oxihydroxides have been identified in recent times (Baldoni et al., 2013; Sauro et al., 2014; D'Angeli et al., 2018; Audra et al., 2019).

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


26 valid minerals.

Rock Types Recorded

Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Alunite
Formula: KAl3(SO4)2(OH)6
Reference: Baldoni, E., De Waele, J., Galli, E., Messina, M., Onac, B.P., Sanna, L., Sauro, F., and Villani, M. (2013) Mineralogy and speleogenesis of the Corona ‘e sa Craba quartzite cave (Carbonia, SW Sardinia). Mine Caves, Memorie dell'Istituto Italiano di Speleologia, serie II, 28, 197-210; Sauro, F., De Waele, J., Onac, B.P., Galli, E., Dublyansky, Y., Baldoni, E., and Sanna, L. (2014) Hypogenic speleogenesis in quartzite: the case of Corona 'e sa Craba Cave (SW Sardinia, Italy). Geomorphology, 211, 77-88.
Aragonite
Formula: CaCO3
Reference: Baldoni, E., De Waele, J., Galli, E., Messina, M., Onac, B.P., Sanna, L., Sauro, F., and Villani, M. (2013) Mineralogy and speleogenesis of the Corona ‘e sa Craba quartzite cave (Carbonia, SW Sardinia). Mine Caves, Memorie dell'Istituto Italiano di Speleologia, serie II, 28, 197-210; Sauro, F., De Waele, J., Onac, B.P., Galli, E., Dublyansky, Y., Baldoni, E., and Sanna, L. (2014) Hypogenic speleogenesis in quartzite: the case of Corona 'e sa Craba Cave (SW Sardinia, Italy). Geomorphology, 211, 77-88.
Baryte
Formula: BaSO4
Reference: Marco Macchieraldo collection; Baldoni, E., De Waele, J., Galli, E., Messina, M., Onac, B.P., Sanna, L., Sauro, F., and Villani, M. (2013) Mineralogy and speleogenesis of the Corona ‘e sa Craba quartzite cave (Carbonia, SW Sardinia). Mine Caves, Memorie dell'Istituto Italiano di Speleologia, serie II, 28, 197-210; Sauro, F., De Waele, J., Onac, B.P., Galli, E., Dublyansky, Y., Baldoni, E., and Sanna, L. (2014) Hypogenic speleogenesis in quartzite: the case of Corona 'e sa Craba Cave (SW Sardinia, Italy). Geomorphology, 211, 77-88.
Berlinite ?
Formula: AlPO4
Reference: Sauro, F., De Waele, J., Onac, B.P., Galli, E., Dublyansky, Y., Baldoni, E., and Sanna, L. (2014) Hypogenic speleogenesis in quartzite: the case of Corona 'e sa Craba Cave (SW Sardinia, Italy). Geomorphology, 211, 77-88; Audra, P., De Waele, J., Bentaleb, I., Chroňáková, A., Krištůfek, V., D’Angeli, I. M., Carbone, C., Madonia, G., Vattano, M., Scopelliti, G., Cailhol, D., Vanara, N., Temovski, M., Bigot, J.-Y., Nobécourt, J.-C., Galli, E., Rull, F., and Sanz-Arranz, A. (2019) Guano-related phosphate-rich minerals in European caves. International Journal of Speleology, 48, 1, 75-105.
Calcite
Formula: CaCO3
Reference: Dameron collection & also Georgio Spiga, the resident expert; Baldoni, E., De Waele, J., Galli, E., Messina, M., Onac, B.P., Sanna, L., Sauro, F., and Villani, M. (2013) Mineralogy and speleogenesis of the Corona ‘e sa Craba quartzite cave (Carbonia, SW Sardinia). Mine Caves, Memorie dell'Istituto Italiano di Speleologia, serie II, 28, 197-210; Sauro, F., De Waele, J., Onac, B.P., Galli, E., Dublyansky, Y., Baldoni, E., and Sanna, L. (2014) Hypogenic speleogenesis in quartzite: the case of Corona 'e sa Craba Cave (SW Sardinia, Italy). Geomorphology, 211, 77-88.
Cinnabar
Formula: HgS
Reference: Baldoni, E., De Waele, J., Galli, E., Messina, M., Onac, B.P., Sanna, L., Sauro, F., and Villani, M. (2013) Mineralogy and speleogenesis of the Corona ‘e sa Craba quartzite cave (Carbonia, SW Sardinia). Mine Caves, Memorie dell'Istituto Italiano di Speleologia, serie II, 28, 197-210; Sauro, F., De Waele, J., Onac, B.P., Galli, E., Dublyansky, Y., Baldoni, E., and Sanna, L. (2014) Hypogenic speleogenesis in quartzite: the case of Corona 'e sa Craba Cave (SW Sardinia, Italy). Geomorphology, 211, 77-88.
Dolomite
Formula: CaMg(CO3)2
Reference: Baldoni, E., De Waele, J., Galli, E., Messina, M., Onac, B.P., Sanna, L., Sauro, F., and Villani, M. (2013) Mineralogy and speleogenesis of the Corona ‘e sa Craba quartzite cave (Carbonia, SW Sardinia). Mine Caves, Memorie dell'Istituto Italiano di Speleologia, serie II, 28, 197-210; Sauro, F., De Waele, J., Onac, B.P., Galli, E., Dublyansky, Y., Baldoni, E., and Sanna, L. (2014) Hypogenic speleogenesis in quartzite: the case of Corona 'e sa Craba Cave (SW Sardinia, Italy). Geomorphology, 211, 77-88.
Felsőbányaite
Formula: Al4(SO4)(OH)10 · 4H2O
Reference: Sauro, F., De Waele, J., Onac, B.P., Galli, E., Dublyansky, Y., Baldoni, E., and Sanna, L. (2014) Hypogenic speleogenesis in quartzite: the case of Corona 'e sa Craba Cave (SW Sardinia, Italy). Geomorphology, 211, 77-88.
Goethite
Formula: α-Fe3+O(OH)
Reference: Baldoni, E., De Waele, J., Galli, E., Messina, M., Onac, B.P., Sanna, L., Sauro, F., and Villani, M. (2013) Mineralogy and speleogenesis of the Corona ‘e sa Craba quartzite cave (Carbonia, SW Sardinia). Mine Caves, Memorie dell'Istituto Italiano di Speleologia, serie II, 28, 197-210; Sauro, F., De Waele, J., Onac, B.P., Galli, E., Dublyansky, Y., Baldoni, E., and Sanna, L. (2014) Hypogenic speleogenesis in quartzite: the case of Corona 'e sa Craba Cave (SW Sardinia, Italy). Geomorphology, 211, 77-88.
Gypsum
Formula: CaSO4 · 2H2O
Reference: Baldoni, E., De Waele, J., Galli, E., Messina, M., Onac, B.P., Sanna, L., Sauro, F., and Villani, M. (2013) Mineralogy and speleogenesis of the Corona ‘e sa Craba quartzite cave (Carbonia, SW Sardinia). Mine Caves, Memorie dell'Istituto Italiano di Speleologia, serie II, 28, 197-210; Sauro, F., De Waele, J., Onac, B.P., Galli, E., Dublyansky, Y., Baldoni, E., and Sanna, L. (2014) Hypogenic speleogenesis in quartzite: the case of Corona 'e sa Craba Cave (SW Sardinia, Italy). Geomorphology, 211, 77-88.
'Halloysite'
Formula: Al2(Si2O5)(OH)4
Reference: Baldoni, E., De Waele, J., Galli, E., Messina, M., Onac, B.P., Sanna, L., Sauro, F., and Villani, M. (2013) Mineralogy and speleogenesis of the Corona ‘e sa Craba quartzite cave (Carbonia, SW Sardinia). Mine Caves, Memorie dell'Istituto Italiano di Speleologia, serie II, 28, 197-210; Sauro, F., De Waele, J., Onac, B.P., Galli, E., Dublyansky, Y., Baldoni, E., and Sanna, L. (2014) Hypogenic speleogenesis in quartzite: the case of Corona 'e sa Craba Cave (SW Sardinia, Italy). Geomorphology, 211, 77-88.
Halloysite-10Å
Formula: Al2Si2O5(OH)4 · 2H2O
Reference: D'Angeli, I. M., Carbone, C., Nagostinis, M., Parise, M., Vattano, M., Madonia, G., and De Waele, J. (2018) New insights on secondary minerals from Italian sulfuric acid caves. International Journal of Speleology, 47, 3, 271-291.
Hematite
Formula: Fe2O3
Reference: Baldoni, E., De Waele, J., Galli, E., Messina, M., Onac, B.P., Sanna, L., Sauro, F., and Villani, M. (2013) Mineralogy and speleogenesis of the Corona ‘e sa Craba quartzite cave (Carbonia, SW Sardinia). Mine Caves, Memorie dell'Istituto Italiano di Speleologia, serie II, 28, 197-210; Sauro, F., De Waele, J., Onac, B.P., Galli, E., Dublyansky, Y., Baldoni, E., and Sanna, L. (2014) Hypogenic speleogenesis in quartzite: the case of Corona 'e sa Craba Cave (SW Sardinia, Italy). Geomorphology, 211, 77-88.
Hydroxylapatite
Formula: Ca5(PO4)3(OH)
Reference: Baldoni, E., De Waele, J., Galli, E., Messina, M., Onac, B.P., Sanna, L., Sauro, F., and Villani, M. (2013) Mineralogy and speleogenesis of the Corona ‘e sa Craba quartzite cave (Carbonia, SW Sardinia). Mine Caves, Memorie dell'Istituto Italiano di Speleologia, serie II, 28, 197-210; Sauro, F., De Waele, J., Onac, B.P., Galli, E., Dublyansky, Y., Baldoni, E., and Sanna, L. (2014) Hypogenic speleogenesis in quartzite: the case of Corona 'e sa Craba Cave (SW Sardinia, Italy). Geomorphology, 211, 77-88; Audra, P., De Waele, J., Bentaleb, I., Chroňáková, A., Krištůfek, V., D’Angeli, I. M., Carbone, C., Madonia, G., Vattano, M., Scopelliti, G., Cailhol, D., Vanara, N., Temovski, M., Bigot, J.-Y., Nobécourt, J.-C., Galli, E., Rull, F., and Sanz-Arranz, A. (2019) Guano-related phosphate-rich minerals in European caves. International Journal of Speleology, 48, 1, 75-105.
Leucophosphite ?
Formula: KFe3+2(PO4)2(OH) · 2H2O
Reference: Sauro, F., De Waele, J., Onac, B.P., Galli, E., Dublyansky, Y., Baldoni, E., and Sanna, L. (2014) Hypogenic speleogenesis in quartzite: the case of Corona 'e sa Craba Cave (SW Sardinia, Italy). Geomorphology, 211, 77-88; Audra, P., De Waele, J., Bentaleb, I., Chroňáková, A., Krištůfek, V., D’Angeli, I. M., Carbone, C., Madonia, G., Vattano, M., Scopelliti, G., Cailhol, D., Vanara, N., Temovski, M., Bigot, J.-Y., Nobécourt, J.-C., Galli, E., Rull, F., and Sanz-Arranz, A. (2019) Guano-related phosphate-rich minerals in European caves. International Journal of Speleology, 48, 1, 75-105.
Lizardite
Formula: Mg3(Si2O5)(OH)4
Reference: Baldoni, E., De Waele, J., Galli, E., Messina, M., Onac, B.P., Sanna, L., Sauro, F., and Villani, M. (2013) Mineralogy and speleogenesis of the Corona ‘e sa Craba quartzite cave (Carbonia, SW Sardinia). Mine Caves, Memorie dell'Istituto Italiano di Speleologia, serie II, 28, 197-210; Sauro, F., De Waele, J., Onac, B.P., Galli, E., Dublyansky, Y., Baldoni, E., and Sanna, L. (2014) Hypogenic speleogenesis in quartzite: the case of Corona 'e sa Craba Cave (SW Sardinia, Italy). Geomorphology, 211, 77-88.
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Reference: Baldoni, E., De Waele, J., Galli, E., Messina, M., Onac, B.P., Sanna, L., Sauro, F., and Villani, M. (2013) Mineralogy and speleogenesis of the Corona ‘e sa Craba quartzite cave (Carbonia, SW Sardinia). Mine Caves, Memorie dell'Istituto Italiano di Speleologia, serie II, 28, 197-210.
Muscovite var: Illite
Formula: K0.65Al2.0[Al0.65Si3.35O10](OH)2
Reference: Baldoni, E., De Waele, J., Galli, E., Messina, M., Onac, B.P., Sanna, L., Sauro, F., and Villani, M. (2013) Mineralogy and speleogenesis of the Corona ‘e sa Craba quartzite cave (Carbonia, SW Sardinia). Mine Caves, Memorie dell'Istituto Italiano di Speleologia, serie II, 28, 197-210.
Natroalunite
Formula: NaAl3(SO4)2(OH)6
Reference: Baldoni, E., De Waele, J., Galli, E., Messina, M., Onac, B.P., Sanna, L., Sauro, F., and Villani, M. (2013) Mineralogy and speleogenesis of the Corona ‘e sa Craba quartzite cave (Carbonia, SW Sardinia). Mine Caves, Memorie dell'Istituto Italiano di Speleologia, serie II, 28, 197-210; Sauro, F., De Waele, J., Onac, B.P., Galli, E., Dublyansky, Y., Baldoni, E., and Sanna, L. (2014) Hypogenic speleogenesis in quartzite: the case of Corona 'e sa Craba Cave (SW Sardinia, Italy). Geomorphology, 211, 77-88.
Pyrolusite
Formula: Mn4+O2
Reference: Baldoni, E., De Waele, J., Galli, E., Messina, M., Onac, B.P., Sanna, L., Sauro, F., and Villani, M. (2013) Mineralogy and speleogenesis of the Corona ‘e sa Craba quartzite cave (Carbonia, SW Sardinia). Mine Caves, Memorie dell'Istituto Italiano di Speleologia, serie II, 28, 197-210; Sauro, F., De Waele, J., Onac, B.P., Galli, E., Dublyansky, Y., Baldoni, E., and Sanna, L. (2014) Hypogenic speleogenesis in quartzite: the case of Corona 'e sa Craba Cave (SW Sardinia, Italy). Geomorphology, 211, 77-88.
Quartz
Formula: SiO2
Reference: Matteo Chinellato collection; Baldoni, E., De Waele, J., Galli, E., Messina, M., Onac, B.P., Sanna, L., Sauro, F., and Villani, M. (2013) Mineralogy and speleogenesis of the Corona ‘e sa Craba quartzite cave (Carbonia, SW Sardinia). Mine Caves, Memorie dell'Istituto Italiano di Speleologia, serie II, 28, 197-210; Sauro, F., De Waele, J., Onac, B.P., Galli, E., Dublyansky, Y., Baldoni, E., and Sanna, L. (2014) Hypogenic speleogenesis in quartzite: the case of Corona 'e sa Craba Cave (SW Sardinia, Italy). Geomorphology, 211, 77-88.
Robertsite
Formula: Ca2Mn3+3(PO4)3O2 · 3H2O
Reference: Baldoni, E., De Waele, J., Galli, E., Messina, M., Onac, B.P., Sanna, L., Sauro, F., and Villani, M. (2013) Mineralogy and speleogenesis of the Corona ‘e sa Craba quartzite cave (Carbonia, SW Sardinia). Mine Caves, Memorie dell'Istituto Italiano di Speleologia, serie II, 28, 197-210; Sauro, F., De Waele, J., Onac, B.P., Galli, E., Dublyansky, Y., Baldoni, E., and Sanna, L. (2014) Hypogenic speleogenesis in quartzite: the case of Corona 'e sa Craba Cave (SW Sardinia, Italy). Geomorphology, 211, 77-88; Audra, P., De Waele, J., Bentaleb, I., Chroňáková, A., Krištůfek, V., D’Angeli, I. M., Carbone, C., Madonia, G., Vattano, M., Scopelliti, G., Cailhol, D., Vanara, N., Temovski, M., Bigot, J.-Y., Nobécourt, J.-C., Galli, E., Rull, F., and Sanz-Arranz, A. (2019) Guano-related phosphate-rich minerals in European caves. International Journal of Speleology, 48, 1, 75-105.
'Smectite Group'
Formula: A0.3D2-3[T4O10]Z2 · nH2O
Reference: Baldoni, E., De Waele, J., Galli, E., Messina, M., Onac, B.P., Sanna, L., Sauro, F., and Villani, M. (2013) Mineralogy and speleogenesis of the Corona ‘e sa Craba quartzite cave (Carbonia, SW Sardinia). Mine Caves, Memorie dell'Istituto Italiano di Speleologia, serie II, 28, 197-210.
Spheniscidite
Formula: (NH4,K)(Fe3+,Al)2(PO4)2(OH) · 2H2O
Reference: Baldoni, E., De Waele, J., Galli, E., Messina, M., Onac, B.P., Sanna, L., Sauro, F., and Villani, M. (2013) Mineralogy and speleogenesis of the Corona ‘e sa Craba quartzite cave (Carbonia, SW Sardinia). Mine Caves, Memorie dell'Istituto Italiano di Speleologia, serie II, 28, 197-210; Sauro, F., De Waele, J., Onac, B.P., Galli, E., Dublyansky, Y., Baldoni, E., and Sanna, L. (2014) Hypogenic speleogenesis in quartzite: the case of Corona 'e sa Craba Cave (SW Sardinia, Italy). Geomorphology, 211, 77-88; Audra, P., De Waele, J., Bentaleb, I., Chroňáková, A., Krištůfek, V., D’Angeli, I. M., Carbone, C., Madonia, G., Vattano, M., Scopelliti, G., Cailhol, D., Vanara, N., Temovski, M., Bigot, J.-Y., Nobécourt, J.-C., Galli, E., Rull, F., and Sanz-Arranz, A. (2019) Guano-related phosphate-rich minerals in European caves. International Journal of Speleology, 48, 1, 75-105.
Strengite
Formula: FePO4 · 2H2O
Reference: Baldoni, E., De Waele, J., Galli, E., Messina, M., Onac, B.P., Sanna, L., Sauro, F., and Villani, M. (2013) Mineralogy and speleogenesis of the Corona ‘e sa Craba quartzite cave (Carbonia, SW Sardinia). Mine Caves, Memorie dell'Istituto Italiano di Speleologia, serie II, 28, 197-210; Sauro, F., De Waele, J., Onac, B.P., Galli, E., Dublyansky, Y., Baldoni, E., and Sanna, L. (2014) Hypogenic speleogenesis in quartzite: the case of Corona 'e sa Craba Cave (SW Sardinia, Italy). Geomorphology, 211, 77-88; Audra, P., De Waele, J., Bentaleb, I., Chroňáková, A., Krištůfek, V., D’Angeli, I. M., Carbone, C., Madonia, G., Vattano, M., Scopelliti, G., Cailhol, D., Vanara, N., Temovski, M., Bigot, J.-Y., Nobécourt, J.-C., Galli, E., Rull, F., and Sanz-Arranz, A. (2019) Guano-related phosphate-rich minerals in European caves. International Journal of Speleology, 48, 1, 75-105.
Taranakite
Formula: (K,NH4)Al3(PO4)3(OH) · 9H2O
Reference: Baldoni, E., De Waele, J., Galli, E., Messina, M., Onac, B.P., Sanna, L., Sauro, F., and Villani, M. (2013) Mineralogy and speleogenesis of the Corona ‘e sa Craba quartzite cave (Carbonia, SW Sardinia). Mine Caves, Memorie dell'Istituto Italiano di Speleologia, serie II, 28, 197-210; Sauro, F., De Waele, J., Onac, B.P., Galli, E., Dublyansky, Y., Baldoni, E., and Sanna, L. (2014) Hypogenic speleogenesis in quartzite: the case of Corona 'e sa Craba Cave (SW Sardinia, Italy). Geomorphology, 211, 77-88; Audra, P., De Waele, J., Bentaleb, I., Chroňáková, A., Krištůfek, V., D’Angeli, I. M., Carbone, C., Madonia, G., Vattano, M., Scopelliti, G., Cailhol, D., Vanara, N., Temovski, M., Bigot, J.-Y., Nobécourt, J.-C., Galli, E., Rull, F., and Sanz-Arranz, A. (2019) Guano-related phosphate-rich minerals in European caves. International Journal of Speleology, 48, 1, 75-105.
Todorokite
Formula: (Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
Reference: Baldoni, E., De Waele, J., Galli, E., Messina, M., Onac, B.P., Sanna, L., Sauro, F., and Villani, M. (2013) Mineralogy and speleogenesis of the Corona ‘e sa Craba quartzite cave (Carbonia, SW Sardinia). Mine Caves, Memorie dell'Istituto Italiano di Speleologia, serie II, 28, 197-210; Sauro, F., De Waele, J., Onac, B.P., Galli, E., Dublyansky, Y., Baldoni, E., and Sanna, L. (2014) Hypogenic speleogenesis in quartzite: the case of Corona 'e sa Craba Cave (SW Sardinia, Italy). Geomorphology, 211, 77-88.
Vashegyite
Formula: Al11(PO4)9(OH)6 · 38H2O
Reference: Baldoni, E., De Waele, J., Galli, E., Messina, M., Onac, B.P., Sanna, L., Sauro, F., and Villani, M. (2013) Mineralogy and speleogenesis of the Corona ‘e sa Craba quartzite cave (Carbonia, SW Sardinia). Mine Caves, Memorie dell'Istituto Italiano di Speleologia, serie II, 28, 197-210; Sauro, F., De Waele, J., Onac, B.P., Galli, E., Dublyansky, Y., Baldoni, E., and Sanna, L. (2014) Hypogenic speleogenesis in quartzite: the case of Corona 'e sa Craba Cave (SW Sardinia, Italy). Geomorphology, 211, 77-88; Audra, P., De Waele, J., Bentaleb, I., Chroňáková, A., Krištůfek, V., D’Angeli, I. M., Carbone, C., Madonia, G., Vattano, M., Scopelliti, G., Cailhol, D., Vanara, N., Temovski, M., Bigot, J.-Y., Nobécourt, J.-C., Galli, E., Rull, F., and Sanz-Arranz, A. (2019) Guano-related phosphate-rich minerals in European caves. International Journal of Speleology, 48, 1, 75-105.
Walthierite
Formula: Ba0.5Al3(SO4)2(OH)6
Reference: Baldoni, E., De Waele, J., Galli, E., Messina, M., Onac, B.P., Sanna, L., Sauro, F., and Villani, M. (2013) Mineralogy and speleogenesis of the Corona ‘e sa Craba quartzite cave (Carbonia, SW Sardinia). Mine Caves, Memorie dell'Istituto Italiano di Speleologia, serie II, 28, 197-210; Sauro, F., De Waele, J., Onac, B.P., Galli, E., Dublyansky, Y., Baldoni, E., and Sanna, L. (2014) Hypogenic speleogenesis in quartzite: the case of Corona 'e sa Craba Cave (SW Sardinia, Italy). Geomorphology, 211, 77-88.

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Cinnabar2.CD.15aHgS
Group 4 - Oxides and Hydroxides
Goethite4.00.α-Fe3+O(OH)
Hematite4.CB.05Fe2O3
Pyrolusite4.DB.05Mn4+O2
Quartz4.DA.05SiO2
Todorokite4.DK.10(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
Group 5 - Nitrates and Carbonates
Aragonite5.AB.15CaCO3
Calcite5.AB.05CaCO3
Dolomite5.AB.10CaMg(CO3)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Alunite7.BC.10KAl3(SO4)2(OH)6
Baryte7.AD.35BaSO4
Felsőbányaite7.DD.05Al4(SO4)(OH)10 · 4H2O
Gypsum7.CD.40CaSO4 · 2H2O
Natroalunite7.BC.10NaAl3(SO4)2(OH)6
Walthierite7.BC.10Ba0.5Al3(SO4)2(OH)6
Group 8 - Phosphates, Arsenates and Vanadates
Berlinite ?8.AA.05AlPO4
Hydroxylapatite8.BN.05Ca5(PO4)3(OH)
Leucophosphite ?8.DH.10KFe3+2(PO4)2(OH) · 2H2O
Robertsite8.DH.30Ca2Mn3+3(PO4)3O2 · 3H2O
Spheniscidite8.DH.10(NH4,K)(Fe3+,Al)2(PO4)2(OH) · 2H2O
Strengite8.CD.10FePO4 · 2H2O
Taranakite8.CH.25(K,NH4)Al3(PO4)3(OH) · 9H2O
Vashegyite8.DB.10Al11(PO4)9(OH)6 · 38H2O
Group 9 - Silicates
'Halloysite'9.ED.10Al2(Si2O5)(OH)4
Lizardite9.ED.15Mg3(Si2O5)(OH)4
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
var: Illite9.EC.15K0.65Al2.0[Al0.65Si3.35O10](OH)2
Unclassified Minerals, Rocks, etc.
Halloysite-10Å-Al2Si2O5(OH)4 · 2H2O
'Smectite Group'-A0.3D2-3[T4O10]Z2 · nH2O

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmXp, with m:p = 1:1
Cinnabar2.8.14.1HgS
Group 4 - SIMPLE OXIDES
A2X3
Hematite4.3.1.2Fe2O3
AX2
Pyrolusite4.4.1.4Mn4+O2
Group 6 - HYDROXIDES AND OXIDES CONTAINING HYDROXYL
XO(OH)
Goethite6.1.1.2α-Fe3+O(OH)
Group 7 - MULTIPLE OXIDES
AB3X7
Todorokite7.8.1.1(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
AB(XO3)2
Dolomite14.2.1.1CaMg(CO3)2
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Baryte28.3.1.1BaSO4
Group 29 - HYDRATED ACID AND NORMAL SULFATES
AXO4·xH2O
Gypsum29.6.3.1CaSO4 · 2H2O
Group 30 - ANHYDROUS SULFATES CONTAINING HYDROXYL OR HALOGEN
(AB)2(XO4)Zq
Alunite30.2.4.1KAl3(SO4)2(OH)6
Walthierite30.2.4.7Ba0.5Al3(SO4)2(OH)6
Group 31 - HYDRATED SULFATES CONTAINING HYDROXYL OR HALOGEN
(AB)4(XO4)Zq·xH2O
Felsőbányaite31.4.4.1Al4(SO4)(OH)10 · 4H2O
Group 38 - ANHYDROUS NORMAL PHOSPHATES, ARSENATES, AND VANADATES
AXO4
Berlinite ?38.4.2.1AlPO4
Group 39 - HYDRATED ACID PHOSPHATES,ARSENATES AND VANADATES
Miscellaneous
Taranakite39.3.6.1(K,NH4)Al3(PO4)3(OH) · 9H2O
Group 40 - HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
(AB)5(XO4)2·xH2O
Strengite40.4.1.2FePO4 · 2H2O
Group 41 - ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
A5(XO4)3Zq
Hydroxylapatite41.8.1.3Ca5(PO4)3(OH)
Group 42 - HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
(AB)5(XO4)3Zq·xH2O
Robertsite42.8.4.2Ca2Mn3+3(PO4)3O2 · 3H2O
(AB)3(XO4)2Zq·xH2O
Leucophosphite ?42.11.6.1KFe3+2(PO4)2(OH) · 2H2O
Spheniscidite42.11.6.3(NH4,K)(Fe3+,Al)2(PO4)2(OH) · 2H2O
(AB)4(XO4)3Zq·xH2O
Vashegyite42.12.2.1Al11(PO4)9(OH)6 · 38H2O
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 1:1 layers
'Halloysite'71.1.1.4Al2(Si2O5)(OH)4
Lizardite71.1.2b.2Mg3(Si2O5)(OH)4
Sheets of 6-membered rings with 2:1 layers
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
var: Illite71.2.2d.2K0.65Al2.0[Al0.65Si3.35O10](OH)2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
Aragonite-CaCO3
Halloysite-10Å-Al2Si2O5(OH)4 · 2H2O
Natroalunite-NaAl3(SO4)2(OH)6
'Smectite Group'-A0.3D2-3[T4O10]Z2 · nH2O

List of minerals for each chemical element

HHydrogen
H AluniteKAl3(SO4)2(OH)6
H NatroaluniteNaAl3(SO4)2(OH)6
H Goethiteα-Fe3+O(OH)
H Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
H FelsőbányaiteAl4(SO4)(OH)10 · 4H2O
H WalthieriteBa0.5Al3(SO4)2(OH)6
H GypsumCaSO4 · 2H2O
H Spheniscidite(NH4,K)(Fe3+,Al)2(PO4)2(OH) · 2H2O
H Taranakite(K,NH4)Al3(PO4)3(OH) · 9H2O
H RobertsiteCa2Mn33+(PO4)3O2 · 3H2O
H StrengiteFePO4 · 2H2O
H HydroxylapatiteCa5(PO4)3(OH)
H VashegyiteAl11(PO4)9(OH)6 · 38H2O
H LizarditeMg3(Si2O5)(OH)4
H HalloysiteAl2(Si2O5)(OH)4
H Halloysite-10ÅAl2Si2O5(OH)4 · 2H2O
H Muscovite (var: Illite)K0.65Al2.0[Al0.65Si3.35O10](OH)2
H Smectite GroupA0.3D2-3[T4O10]Z2 · nH2O
H MuscoviteKAl2(AlSi3O10)(OH)2
H LeucophosphiteKFe23+(PO4)2(OH) · 2H2O
CCarbon
C CalciteCaCO3
C AragoniteCaCO3
C DolomiteCaMg(CO3)2
NNitrogen
N Spheniscidite(NH4,K)(Fe3+,Al)2(PO4)2(OH) · 2H2O
OOxygen
O BaryteBaSO4
O QuartzSiO2
O CalciteCaCO3
O AragoniteCaCO3
O DolomiteCaMg(CO3)2
O AluniteKAl3(SO4)2(OH)6
O NatroaluniteNaAl3(SO4)2(OH)6
O HematiteFe2O3
O PyrolusiteMn4+O2
O Goethiteα-Fe3+O(OH)
O Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
O FelsőbányaiteAl4(SO4)(OH)10 · 4H2O
O WalthieriteBa0.5Al3(SO4)2(OH)6
O GypsumCaSO4 · 2H2O
O Spheniscidite(NH4,K)(Fe3+,Al)2(PO4)2(OH) · 2H2O
O Taranakite(K,NH4)Al3(PO4)3(OH) · 9H2O
O RobertsiteCa2Mn33+(PO4)3O2 · 3H2O
O StrengiteFePO4 · 2H2O
O HydroxylapatiteCa5(PO4)3(OH)
O VashegyiteAl11(PO4)9(OH)6 · 38H2O
O LizarditeMg3(Si2O5)(OH)4
O HalloysiteAl2(Si2O5)(OH)4
O Halloysite-10ÅAl2Si2O5(OH)4 · 2H2O
O Muscovite (var: Illite)K0.65Al2.0[Al0.65Si3.35O10](OH)2
O Smectite GroupA0.3D2-3[T4O10]Z2 · nH2O
O MuscoviteKAl2(AlSi3O10)(OH)2
O BerliniteAlPO4
O LeucophosphiteKFe23+(PO4)2(OH) · 2H2O
NaSodium
Na NatroaluniteNaAl3(SO4)2(OH)6
Na Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
MgMagnesium
Mg DolomiteCaMg(CO3)2
Mg Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
Mg LizarditeMg3(Si2O5)(OH)4
AlAluminium
Al AluniteKAl3(SO4)2(OH)6
Al NatroaluniteNaAl3(SO4)2(OH)6
Al Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
Al FelsőbányaiteAl4(SO4)(OH)10 · 4H2O
Al WalthieriteBa0.5Al3(SO4)2(OH)6
Al Taranakite(K,NH4)Al3(PO4)3(OH) · 9H2O
Al VashegyiteAl11(PO4)9(OH)6 · 38H2O
Al HalloysiteAl2(Si2O5)(OH)4
Al Halloysite-10ÅAl2Si2O5(OH)4 · 2H2O
Al Muscovite (var: Illite)K0.65Al2.0[Al0.65Si3.35O10](OH)2
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al BerliniteAlPO4
SiSilicon
Si QuartzSiO2
Si LizarditeMg3(Si2O5)(OH)4
Si HalloysiteAl2(Si2O5)(OH)4
Si Halloysite-10ÅAl2Si2O5(OH)4 · 2H2O
Si Muscovite (var: Illite)K0.65Al2.0[Al0.65Si3.35O10](OH)2
Si MuscoviteKAl2(AlSi3O10)(OH)2
PPhosphorus
P Spheniscidite(NH4,K)(Fe3+,Al)2(PO4)2(OH) · 2H2O
P Taranakite(K,NH4)Al3(PO4)3(OH) · 9H2O
P RobertsiteCa2Mn33+(PO4)3O2 · 3H2O
P StrengiteFePO4 · 2H2O
P HydroxylapatiteCa5(PO4)3(OH)
P VashegyiteAl11(PO4)9(OH)6 · 38H2O
P BerliniteAlPO4
P LeucophosphiteKFe23+(PO4)2(OH) · 2H2O
SSulfur
S BaryteBaSO4
S CinnabarHgS
S AluniteKAl3(SO4)2(OH)6
S NatroaluniteNaAl3(SO4)2(OH)6
S FelsőbányaiteAl4(SO4)(OH)10 · 4H2O
S WalthieriteBa0.5Al3(SO4)2(OH)6
S GypsumCaSO4 · 2H2O
KPotassium
K AluniteKAl3(SO4)2(OH)6
K Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
K Taranakite(K,NH4)Al3(PO4)3(OH) · 9H2O
K Muscovite (var: Illite)K0.65Al2.0[Al0.65Si3.35O10](OH)2
K MuscoviteKAl2(AlSi3O10)(OH)2
K LeucophosphiteKFe23+(PO4)2(OH) · 2H2O
CaCalcium
Ca CalciteCaCO3
Ca AragoniteCaCO3
Ca DolomiteCaMg(CO3)2
Ca Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
Ca GypsumCaSO4 · 2H2O
Ca RobertsiteCa2Mn33+(PO4)3O2 · 3H2O
Ca HydroxylapatiteCa5(PO4)3(OH)
MnManganese
Mn PyrolusiteMn4+O2
Mn Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
Mn RobertsiteCa2Mn33+(PO4)3O2 · 3H2O
FeIron
Fe HematiteFe2O3
Fe Goethiteα-Fe3+O(OH)
Fe Spheniscidite(NH4,K)(Fe3+,Al)2(PO4)2(OH) · 2H2O
Fe StrengiteFePO4 · 2H2O
Fe LeucophosphiteKFe23+(PO4)2(OH) · 2H2O
SrStrontium
Sr Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
BaBarium
Ba BaryteBaSO4
Ba Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
Ba WalthieriteBa0.5Al3(SO4)2(OH)6
HgMercury
Hg CinnabarHgS

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Baldoni, E., De Waele, J., Galli, E., Messina, M., Onac, B.P., Sanna, L., Sauro, F., and Villani, M. (2013) Mineralogy and speleogenesis of the Corona ‘e sa Craba quartzite cave (Carbonia, SW Sardinia). Mine Caves, Memorie dell'Istituto Italiano di Speleologia, serie II, 28, 197-210.
Sauro, F., De Waele, J., Onac, B.P., Galli, E., Dublyansky, Y., Baldoni, E., and Sanna, L. (2014) Hypogenic speleogenesis in quartzite: the case of Corona 'e sa Craba Cave (SW Sardinia, Italy). Geomorphology, 211, 77-88.
D'Angeli, I. M., Carbone, C., Nagostinis, M., Parise, M., Vattano, M., Madonia, G., and De Waele, J. (2018) New insights on secondary minerals from Italian sulfuric acid caves. International Journal of Speleology, 47, 3, 271-291.
Audra, P., De Waele, J., Bentaleb, I., Chroňáková, A., Krištůfek, V., D’Angeli, I. M., Carbone, C., Madonia, G., Vattano, M., Scopelliti, G., Cailhol, D., Vanara, N., Temovski, M., Bigot, J.-Y., Nobécourt, J.-C., Galli, E., Rull, F., and Sanz-Arranz, A. (2019) Guano-related phosphate-rich minerals in European caves. International Journal of Speleology, 48, 1, 75-105.

Other Regions, Features and Areas containg this locality

Eurasian PlateTectonic Plate
EuropeContinent

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