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Castagnola, Vagli Sotto, Lucca Province, Tuscany, Italyi
Regional Level Types
Castagnola- not defined -
Vagli SottoMunicipality
Lucca ProvinceProvince
TuscanyRegion
ItalyCountry

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Key
Latitude & Longitude (WGS84):
44° 6' 37'' North , 10° 15' 39'' East
Latitude & Longitude (decimal):
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Vagli Sopra469 (2014)0.9km
Fontana delle Monache266 (2014)1.5km
Vagli Sotto112 (2014)2.2km
Gorfigliano629 (2014)4.1km
Roggio178 (2014)4.3km


In this area are present some Mn mineralizations, represented by quartz and quartz-carbonate veins embedded in Diaspri (jasper) formation of Nucleo Metamorfico Apuano. There are also cm-thick layers of braunite and Mn-silicates, concordant with the main schistosity of the rocks (S1).
The importance of this area is due to the significant samples of hollandite and piemontite that are possible to collect here. Besides, scheelite from here represents the second occurrence in the Apuan Alps, after the occurrence cited by Duchi et al. (1993) among the minerals of Calcaferro mine, near Stazzema.
Sugilite and serandite are the second reports for Italy, after Cerchiara mine (Borghetto Vara, La Spezia).

It is possible to distinguish three kinds of occurrences of Mn-minerals:
- Type A: quartz-carbonate veins. In this occurrence there are a lot of species: albite, braunite, clinochlore, hematite, hollandite, muscovite, piemontite, rutile, scheelite, titanite.
- Type B: quartz veinlets. In this type of occurrence it is possible to find only nice braunite crystals and small globular aggregates of todorokite.
- Type C: braunite lenses. Usually the only mineral present is braunite. Rarely, there are also sugilite, serandite and a carbonate of Ca and Ba.

Regions containing this locality

Apuan Alps, Tuscany, ItalyMountain Range
Eurasian PlateTectonic Plate
EuropeContinent
Garfagnana, Lucca Province, Tuscany, Italy

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


16 valid minerals.

Detailed Mineral List:

Albite
Formula: Na(AlSi3O8)
Habit: tabular
Colour: colorless
Description: Type A and C occurrence.
Reference: Biagioni C., 2004. Le mineralizzazioni manganesifere dei Diaspri Auctt. di Vagli (Alpi Apuane, Lucca). Tesina di Laurea inedita, Università di Pisa.
Braunite
Formula: Mn2+Mn3+6(SiO4)O8
Habit: bypiramidal
Colour: black
Description: xls up to 3 mm. It is present in all the types of occurrence.
Reference: Biagioni C., 2004. Le mineralizzazioni manganesifere dei Diaspri Auctt. di Vagli (Alpi Apuane, Lucca). Tesina di Laurea inedita, Università di Pisa.
Calcite
Formula: CaCO3
Habit: rhombohedric or scalenohedric xls
Colour: white, colorless, brown
Reference: Biagioni C., 2004. Le mineralizzazioni manganesifere dei Diaspri Auctt. di Vagli (Alpi Apuane, Lucca). Tesina di Laurea inedita, Università di Pisa.
Clinochlore
Formula: Mg5Al(AlSi3O10)(OH)8
Habit: globular aggregates of tabular xls
Colour: white
Description: Type A occurrence.
Reference: Biagioni C., 2004. Le mineralizzazioni manganesifere dei Diaspri Auctt. di Vagli (Alpi Apuane, Lucca). Tesina di Laurea inedita, Università di Pisa.
Ferrihollandite
Formula: Ba(Mn4+6Fe3+2)O16
Reference: Biagioni, C., Capalbo, C., Lezzerini, M., Pasero, M. (2014): Ferrihollandite, BaMn4+6Fe3+2O16, from Apuan Alps, Tuscany, Italy: description and crystal structure. European Journal of Mineralogy 26, 171-178.; Cristian Biagioni
Hematite
Formula: Fe2O3
Habit: tabular
Colour: black
Description: Type A and C occurrence.
Reference: Biagioni C., 2004. Le mineralizzazioni manganesifere dei Diaspri Auctt. di Vagli (Alpi Apuane, Lucca). Tesina di Laurea inedita, Università di Pisa.
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Habit: micaceous xls
Colour: orange, white
Description: Type A occurrence
Reference: Biagioni C., 2004. Le mineralizzazioni manganesifere dei Diaspri Auctt. di Vagli (Alpi Apuane, Lucca). Tesina di Laurea inedita, Università di Pisa.
Piemontite
Formula: {Ca2}{Al2Mn3+}(Si2O7)(SiO4)O(OH)
Habit: prismatic xls
Colour: red
Description: Type A occurrence.
Reference: Biagioni C., 2004. Le mineralizzazioni manganesifere dei Diaspri Auctt. di Vagli (Alpi Apuane, Lucca). Tesina di Laurea inedita, Università di Pisa.
Quartz
Formula: SiO2
Habit: prismatic
Colour: colorless, white
Reference: Biagioni C., 2004. Le mineralizzazioni manganesifere dei Diaspri Auctt. di Vagli (Alpi Apuane, Lucca). Tesina di Laurea inedita, Università di Pisa.
Rutile
Formula: TiO2
Habit: prismatic, acicular
Colour: red, brown
Description: Type A occurrence.
Reference: Biagioni C., 2004. Le mineralizzazioni manganesifere dei Diaspri Auctt. di Vagli (Alpi Apuane, Lucca). Tesina di Laurea inedita, Università di Pisa.
Scheelite
Formula: Ca(WO4)
Habit: bypiramidal
Colour: white
Description: It contains 23 mol% Ca[MoO4]. Type A occurrence.
Reference: Biagioni C., 2004. Le mineralizzazioni manganesifere dei Diaspri Auctt. di Vagli (Alpi Apuane, Lucca). Tesina di Laurea inedita, Università di Pisa.
Serandite
Formula: NaMn2+2Si3O8(OH)
Habit: anhedral
Description: Its composition varies from Ser100Pct0 to Ser59Pct41. Type C occurrence.
Reference: Biagioni C., 2004. Le mineralizzazioni manganesifere dei Diaspri Auctt. di Vagli (Alpi Apuane, Lucca). Tesina di Laurea inedita, Università di Pisa.
Sudoite ?
Formula: Mg2Al3(Si3Al)O10)(OH)8
Reference: Orlandi, P. & Campostrini, I. (2005): Zibaldone. Aggiornamenti di mineralogia italiana 2004. Rivista Mineralogica Italiana, 3/2005, 184-191
Sugilite
Formula: K(Na,□)2Li3(Fe,Mn,Al,Zr)2[Si12O30]
Habit: anhedral or subhedral xls
Colour: violet
Description: Type C occurrence.
Reference: Biagioni C., 2004. Le mineralizzazioni manganesifere dei Diaspri Auctt. di Vagli (Alpi Apuane, Lucca). Tesina di Laurea inedita, Università di Pisa.
Titanite
Formula: CaTi(SiO4)O
Habit: tabular
Colour: yellow, orange
Description: Type A occurrence.
Reference: Biagioni C., 2004. Le mineralizzazioni manganesifere dei Diaspri Auctt. di Vagli (Alpi Apuane, Lucca). Tesina di Laurea inedita, Università di Pisa.
Todorokite
Formula: (Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
Habit: globular aggregates of platy xls
Colour: brown, black
Description: Type B occurrence.
Reference: Biagioni C., 2004. Le mineralizzazioni manganesifere dei Diaspri Auctt. di Vagli (Alpi Apuane, Lucca). Tesina di Laurea inedita, Università di Pisa.

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Ferrihollandite4.DK.Ba(Mn4+6Fe3+2)O16
Hematite4.CB.05Fe2O3
Quartz4.DA.05SiO2
Rutile4.DB.05TiO2
Todorokite4.DK.10(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Scheelite7.GA.05Ca(WO4)
Group 9 - Silicates
Albite9.FA.35Na(AlSi3O8)
Braunite9.AG.05Mn2+Mn3+6(SiO4)O8
Clinochlore9.EC.55Mg5Al(AlSi3O10)(OH)8
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
Piemontite9.BG.05a{Ca2}{Al2Mn3+}(Si2O7)(SiO4)O(OH)
Serandite9.DG.05NaMn2+2Si3O8(OH)
Sudoite ?9.EC.55Mg2Al3(Si3Al)O10)(OH)8
Sugilite9.CM.05K(Na,□)2Li3(Fe,Mn,Al,Zr)2[Si12O30]
Titanite9.AG.15CaTi(SiO4)O

List of minerals arranged by Dana 8th Edition classification

Group 4 - SIMPLE OXIDES
A2X3
Hematite4.3.1.2Fe2O3
AX2
Rutile4.4.1.1TiO2
Group 7 - MULTIPLE OXIDES
(AB)2X3
Braunite7.5.1.3Mn2+Mn3+6(SiO4)O8
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
Group 48 - ANHYDROUS MOLYBDATES AND TUNGSTATES
AXO4
Scheelite48.1.2.1Ca(WO4)
Group 52 - NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] and/or >[6] coordination
Titanite52.4.3.1CaTi(SiO4)O
Group 58 - SOROSILICATES Insular, Mixed, Single, and Larger Tetrahedral Groups
Insular, Mixed, Single, and Larger Tetrahedral Groups with cations in [6] and higher coordination; single and double groups (n = 1, 2)
Piemontite58.2.1a.11{Ca2}{Al2Mn3+}(Si2O7)(SiO4)O(OH)
Group 63 - CYCLOSILICATES Condensed Rings
Condensed Rings (Milarite - Osumilite group)
Sugilite63.2.1a.9K(Na,□)2Li3(Fe,Mn,Al,Zr)2[Si12O30]
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=3
Serandite65.2.1.5NaMn2+2Si3O8(OH)
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
Sheets of 6-membered rings interlayered 1:1, 2:1, and octahedra
Clinochlore71.4.1.4Mg5Al(AlSi3O10)(OH)8
Sudoite ?71.4.1.3Mg2Al3(Si3Al)O10)(OH)8
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework with Al-Si frameworks
Albite76.1.3.1Na(AlSi3O8)
Unclassified Minerals, Mixtures, etc.
Ferrihollandite-Ba(Mn4+6Fe3+2)O16

List of minerals for each chemical element

HHydrogen
H Piemontite{Ca2}{Al2Mn3+}(Si2O7)(SiO4)O(OH)
H Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
H MuscoviteKAl2(AlSi3O10)(OH)2
H ClinochloreMg5Al(AlSi3O10)(OH)8
H SeranditeNaMn22+Si3O8(OH)
H SudoiteMg2Al3(Si3Al)O10)(OH)8
LiLithium
Li SugiliteK(Na,□)2Li3(Fe,Mn,Al,Zr)2[Si12O30]
CCarbon
C CalciteCaCO3
OOxygen
O Piemontite{Ca2}{Al2Mn3+}(Si2O7)(SiO4)O(OH)
O BrauniteMn2+Mn63+(SiO4)O8
O FerrihollanditeBa(Mn64+Fe23+)O16
O TitaniteCaTi(SiO4)O
O ScheeliteCa(WO4)
O HematiteFe2O3
O RutileTiO2
O QuartzSiO2
O CalciteCaCO3
O Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
O AlbiteNa(AlSi3O8)
O MuscoviteKAl2(AlSi3O10)(OH)2
O ClinochloreMg5Al(AlSi3O10)(OH)8
O SugiliteK(Na,□)2Li3(Fe,Mn,Al,Zr)2[Si12O30]
O SeranditeNaMn22+Si3O8(OH)
O SudoiteMg2Al3(Si3Al)O10)(OH)8
NaSodium
Na Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
Na AlbiteNa(AlSi3O8)
Na SugiliteK(Na,□)2Li3(Fe,Mn,Al,Zr)2[Si12O30]
Na SeranditeNaMn22+Si3O8(OH)
MgMagnesium
Mg Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
Mg ClinochloreMg5Al(AlSi3O10)(OH)8
Mg SudoiteMg2Al3(Si3Al)O10)(OH)8
AlAluminium
Al Piemontite{Ca2}{Al2Mn3+}(Si2O7)(SiO4)O(OH)
Al Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
Al AlbiteNa(AlSi3O8)
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al ClinochloreMg5Al(AlSi3O10)(OH)8
Al SugiliteK(Na,□)2Li3(Fe,Mn,Al,Zr)2[Si12O30]
Al SudoiteMg2Al3(Si3Al)O10)(OH)8
SiSilicon
Si Piemontite{Ca2}{Al2Mn3+}(Si2O7)(SiO4)O(OH)
Si BrauniteMn2+Mn63+(SiO4)O8
Si TitaniteCaTi(SiO4)O
Si QuartzSiO2
Si AlbiteNa(AlSi3O8)
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si ClinochloreMg5Al(AlSi3O10)(OH)8
Si SugiliteK(Na,□)2Li3(Fe,Mn,Al,Zr)2[Si12O30]
Si SeranditeNaMn22+Si3O8(OH)
Si SudoiteMg2Al3(Si3Al)O10)(OH)8
KPotassium
K Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
K MuscoviteKAl2(AlSi3O10)(OH)2
K SugiliteK(Na,□)2Li3(Fe,Mn,Al,Zr)2[Si12O30]
CaCalcium
Ca Piemontite{Ca2}{Al2Mn3+}(Si2O7)(SiO4)O(OH)
Ca TitaniteCaTi(SiO4)O
Ca ScheeliteCa(WO4)
Ca CalciteCaCO3
Ca Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
TiTitanium
Ti TitaniteCaTi(SiO4)O
Ti RutileTiO2
MnManganese
Mn Piemontite{Ca2}{Al2Mn3+}(Si2O7)(SiO4)O(OH)
Mn BrauniteMn2+Mn63+(SiO4)O8
Mn FerrihollanditeBa(Mn64+Fe23+)O16
Mn Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
Mn SugiliteK(Na,□)2Li3(Fe,Mn,Al,Zr)2[Si12O30]
Mn SeranditeNaMn22+Si3O8(OH)
FeIron
Fe FerrihollanditeBa(Mn64+Fe23+)O16
Fe HematiteFe2O3
Fe SugiliteK(Na,□)2Li3(Fe,Mn,Al,Zr)2[Si12O30]
SrStrontium
Sr Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
ZrZirconium
Zr SugiliteK(Na,□)2Li3(Fe,Mn,Al,Zr)2[Si12O30]
BaBarium
Ba FerrihollanditeBa(Mn64+Fe23+)O16
Ba Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
WTungsten
W ScheeliteCa(WO4)

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Biagioni, C. (2004): Le mineralizzazioni manganesifere dei Diaspri Auctt. di Vagli (Alpi Apuane, Lucca). Tesina di Laurea inedita, Università di Pisa.
Perchiazzi, N. & Biagioni, C. (2005): Sugilite e serandite dei Diaspri Auctt. di Vagli (Alpi Apuane). Atti Soc. Tosc. Sci. Nat., Mem., 110: 67-71.
Biagioni, C. (2009): Minerali della Provincia di Lucca. Associazione Micro-Mineralogica Italiana, Cremona, 352 pp.
Biagioni, C., Orlandi, P. & Perchiazzi, N. (2009): Manganese ores in metamorphic settings: the vein system from Vagli (Apuan Alps, Tuscany). Plinius, 35, 309.
Biagioni, C., Capalbo, C., Lezzerini, M., Pasero, M. (2014): Ferrihollandite, BaMn4+6Fe3+2O16, from Apuan Alps, Tuscany, Italy: description and crystal structure. European Journal of Mineralogy 26, 171-178.


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