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Fortullino, Rosignano Marittimo, Livorno Province, Tuscany, Italyi
Regional Level Types
Fortullino- not defined -
Rosignano MarittimoMunicipality
Livorno ProvinceProvince
TuscanyRegion
ItalyCountry

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Key
Latitude & Longitude (WGS84):
43° 26' 33'' North , 10° 24' 25'' East
Latitude & Longitude (decimal):
Nearest Settlements:
PlacePopulationDistance
Nibbiaia690 (2014)2.5km
Castelnuovo Misericordia834 (2014)3.5km
Quercianella1,039 (2014)3.7km
Gabbro898 (2014)5.2km
Castellaccio333 (2014)6.1km
Name(s) in local language(s):
Fortullino, Rosignano Marittimo, Livorno, Toscana, Italia


Fortullino is a mineral locality situated on the left side of Botro Fortulla, on the western slope of Poggio San Quirico. Various magnesite veins occur in this area of Poggio San Quirico and some of them have been mined within the limits of the Campolecciano mining concession. Fortullino is a well-known locality for melanophlogite (Grassellini Troysi & Orlandi, 1972), which occurs in a serpentinite breccia at the contact with magnesite veins.

Melanophlogite typically appears as translucent or transparent globules disseminated over the matrix. If observed under an electron microscope or a light microscope at a high magnification, the melanophlogite globules appear as spheroidal clusters of cubic microcrystals. Individual cubic crystals are rarely found. The origin is due to carbonatic alteration of the original serpentinite that has brought about the formation of Mg-rich carbonatic rocks and the segregation of the siliceous phase as melanophlogite and opal.
Melanophlogite is not the only mineral present here, but also other minerals occur such as dolomite, magnesite, cinnabar, kutnohorite, opal, quartz, and volkonskoite.

Furthermore, Fortullino is the name of a little promontory located in close proximity to the mouth of Botro Fortulla. Finds of calcite are known from the seashore close to Fortullino Beach, where rocks of the Palombini limestone–shale sequence crop out.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


9 valid minerals.

Detailed Mineral List:

Calcite
Formula: CaCO3
Description: Finds of calcite are known from the seashore close to Fortullino Beach, where rocks of the Palombini limestone–shale sequence crop out (ref.: Giuliano Bettini).
Reference: Giuliano Bettini (finds of calcite near Fortullino Beach).
Cinnabar
Formula: HgS
Reference: Lenzi, A. (1996): La melanoflogite di località Fortullino. Informatore. Giornale del Museo di Storia Naturale Rosignano Solvay, 1, 10-13.
Dolomite
Formula: CaMg(CO3)2
Reference: Lenzi, A. (1996): La melanoflogite di località Fortullino. Informatore. Giornale del Museo di Storia Naturale Rosignano Solvay, 1, 10-13.
Kutnohorite
Formula: CaMn2+(CO3)2
Reference: Lenzi, A. (1996): La melanoflogite di località Fortullino. Informatore. Giornale del Museo di Storia Naturale Rosignano Solvay, 1, 10-13.
Magnesite
Formula: MgCO3
Reference: Sersale, R. (1951): Indagini sul comportamento termico delle magnesiti toscane. Periodico di Mineralogia, 20, 165-176; Lenzi, A. (1996): La melanoflogite di località Fortullino. Informatore. Giornale del Museo di Storia Naturale Rosignano Solvay, 1, 10-13.
Melanophlogite
Formula: 46SiO2 · 6(N2,CO2) · 2(CH4,N2)
Reference: Grassellini Troysi, M. & Orlandi, P. (1972): Sulla melanoflogite del Fortullino (Livorno). Atti della Società Toscana di Scienze Naturali, Memorie, Serie A: Processi Verbali, 79, 245-250; Gallo, S. (1974): Melanophlogite, a new and interesting find. Mineralogical Record, 5(5), 207-208; Henderson, B. (1981): Microminerals. Mineralogical Record, 12, 6, 383; Lenzi, A. (1996): La melanoflogite di località Fortullino. Informatore. Giornale del Museo di Storia Naturale Rosignano Solvay, 1, 10-13; Domenici, V., Lenzi, A., Taccone R. (2006): La melanoflogite di località Fortullino: uno studio strutturale del minerale. Codice Armonico 2006. Atti del Primo congresso di scienze naturali della Regione Toscana, 44-48; http://www.musrosi.org/wp-content/uploads/2014/07/CA2006.pdf
Opal
Formula: SiO2 · nH2O
Reference: Lenzi, A. (1996): La melanoflogite di località Fortullino. Informatore. Giornale del Museo di Storia Naturale Rosignano Solvay, 1, 10-13.
Quartz
Formula: SiO2
Volkonskoite
Formula: Ca0.3(Cr,Mg,Fe)2((Si,Al)4O10)(OH)2 · 4H2O
Reference: Antonio Borrelli collection

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Cinnabar2.CD.15aHgS
Group 4 - Oxides and Hydroxides
Melanophlogite4.DA.2546SiO2 · 6(N2,CO2) · 2(CH4,N2)
Opal4.DA.10SiO2 · nH2O
Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Dolomite5.AB.10CaMg(CO3)2
Kutnohorite5.AB.10CaMn2+(CO3)2
Magnesite5.AB.05MgCO3
Group 9 - Silicates
Volkonskoite9.EC.40Ca0.3(Cr,Mg,Fe)2((Si,Al)4O10)(OH)2 · 4H2O

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmXp, with m:p = 1:1
Cinnabar2.8.14.1HgS
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Magnesite14.1.1.2MgCO3
AB(XO3)2
Dolomite14.2.1.1CaMg(CO3)2
Kutnohorite14.2.1.3CaMn2+(CO3)2
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 clays
Volkonskoite71.3.1a.4Ca0.3(Cr,Mg,Fe)2((Si,Al)4O10)(OH)2 · 4H2O
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Si Tetrahedral Frameworks - SiO2 with H2O and organics
Melanophlogite75.2.2.146SiO2 · 6(N2,CO2) · 2(CH4,N2)
Opal75.2.1.1SiO2 · nH2O

List of minerals for each chemical element

HHydrogen
H Melanophlogite46SiO2 · 6(N2,CO2) · 2(CH4,N2)
H VolkonskoiteCa0.3(Cr,Mg,Fe)2((Si,Al)4O10)(OH)2 · 4H2O
H OpalSiO2 · nH2O
CCarbon
C Melanophlogite46SiO2 · 6(N2,CO2) · 2(CH4,N2)
C DolomiteCaMg(CO3)2
C MagnesiteMgCO3
C KutnohoriteCaMn2+(CO3)2
C CalciteCaCO3
NNitrogen
N Melanophlogite46SiO2 · 6(N2,CO2) · 2(CH4,N2)
OOxygen
O Melanophlogite46SiO2 · 6(N2,CO2) · 2(CH4,N2)
O DolomiteCaMg(CO3)2
O MagnesiteMgCO3
O QuartzSiO2
O VolkonskoiteCa0.3(Cr,Mg,Fe)2((Si,Al)4O10)(OH)2 · 4H2O
O KutnohoriteCaMn2+(CO3)2
O CalciteCaCO3
O OpalSiO2 · nH2O
MgMagnesium
Mg DolomiteCaMg(CO3)2
Mg MagnesiteMgCO3
Mg VolkonskoiteCa0.3(Cr,Mg,Fe)2((Si,Al)4O10)(OH)2 · 4H2O
AlAluminium
Al VolkonskoiteCa0.3(Cr,Mg,Fe)2((Si,Al)4O10)(OH)2 · 4H2O
SiSilicon
Si Melanophlogite46SiO2 · 6(N2,CO2) · 2(CH4,N2)
Si QuartzSiO2
Si VolkonskoiteCa0.3(Cr,Mg,Fe)2((Si,Al)4O10)(OH)2 · 4H2O
Si OpalSiO2 · nH2O
SSulfur
S CinnabarHgS
CaCalcium
Ca DolomiteCaMg(CO3)2
Ca VolkonskoiteCa0.3(Cr,Mg,Fe)2((Si,Al)4O10)(OH)2 · 4H2O
Ca KutnohoriteCaMn2+(CO3)2
Ca CalciteCaCO3
CrChromium
Cr VolkonskoiteCa0.3(Cr,Mg,Fe)2((Si,Al)4O10)(OH)2 · 4H2O
MnManganese
Mn KutnohoriteCaMn2+(CO3)2
HgMercury
Hg CinnabarHgS

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
- Grassellini Troysi, M. & Orlandi, P. (1972): Sulla melanoflogite del Fortullino (Livorno). Atti della Società Toscana di Scienze Naturali, Memorie, Serie A, 79, 245-250.
- Gallo, S. (1974): Melanophlogite, a new and interesting find. Mineralogical Record, 5, 5, 207-208.
- Henderson, B. (1981): Microminerals. Mineralogical Record, 12, 6, 383.
- Lenzi, A. (1996): La melanoflogite di località Fortullino. Informatore. Giornale del Museo di Storia Naturale Rosignano Solvay, 1, 10-13.
- Domenici, V., Lenzi, A. (2005): Storia mineraria del territorio Livornese. [http://ulisse.sissa.it/biblioteca/saggio/2005/Ubib051001s007]
- Domenici, V., Lenzi, A., Taccone R. (2006): La melanoflogite di località Fortullino: uno studio strutturale del minerale. Codice Armonico 2006. Atti del Primo congresso di scienze naturali della Regione Toscana, 44-48. [http://www.musrosi.org/wp-content/uploads/2014/07/CA2006.pdf]

Other Regions, Features and Areas containg this locality

Eurasian PlateTectonic Plate
EuropeContinent

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