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Acqua Bianca valley, Gorfigliano, Minucciano, Apuan Alps, Lucca Province, Tuscany, Italy

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Name(s) in local language(s):Valle dell'Acqua Bianca, Gorfigliano, Minucciano, Alpi Apuane, Lucca, Toscana, Italia
Location is approximate, estimate based on other nearby localities.
 
Latitude & Longitude (WGS84): 43° North , 10° East (est.)
Margin of Error:~1km
Locality type:Valley
Köppen climate type:Csa : Hot-summer Mediterranean climate


Several quartz veins are embedded in rocks metamorphosed to greenschist facies and belonging to the Apuane Metamorphic Complex.

The quartz veins of Gorfigliano were formed during the late stages of the tectono-metamorphic evolution of Apuan Alps. They are reported in two distinct areas: Grotta del Caprone and La Minierina.
At Grotta del Caprone veins are embedded in the metapelites of Scisti sericitici formation. Quartz is the most common mineral and it is associated, usually, with chlorite and hematite. Three minerals containing Th and REE were found in these veins: allanite-(Ce), synchysite-(Ce) and thorite. Other minerals present in this place are albite, anatase, calcite, chalcopyrite, fluorapatite, malachite, pyrite and rutile.
At La Minierina, quartz veins are hosted in metacherts and calcschists. The only phase present in this occurrence is quartz with minor calcite.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


16 valid minerals.

Detailed Mineral List:

Albite
Formula: Na(AlSi3O8)
Habit: tabular xls
Colour: white
Description: xls up to 3 mm.
Reference: Orlandi P., Dini A., Gemignani E., Pierotti L., Quilici U., Romani U., 2002. Paragenesi alpine nelle Alpi Apuane: I minerali delle vene di quarzo della Valle dell'Acqua Bianca, Gorfigliano (LU) Riv. Mineral. It., 26, 4: 216-223
Allanite-(Ce)
Formula: {CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
Habit: prismatic xls
Colour: brown
Description: xls up to 5 mm
Reference: Orlandi P., Dini A., Gemignani E., Pierotti L., Quilici U., Romani U., 2002. Paragenesi alpine nelle Alpi Apuane: I minerali delle vene di quarzo della Valle dell'Acqua Bianca, Gorfigliano (LU) Riv. Mineral. It., 26, 4: 216-223
Anatase
Formula: TiO2
Habit: bypiramidal xls
Colour: yellow
Reference: Orlandi P., Dini A., Gemignani E., Pierotti L., Quilici U., Romani U., 2002. Paragenesi alpine nelle Alpi Apuane: I minerali delle vene di quarzo della Valle dell'Acqua Bianca, Gorfigliano (LU) Riv. Mineral. It., 26, 4: 216-223
Azurite
Formula: Cu3(CO3)2(OH)2
Calcite
Formula: CaCO3
Habit: rhombohedric xls
Colour: brown, colorless
Reference: Orlandi P., Dini A., Gemignani E., Pierotti L., Quilici U., Romani U., 2002. Paragenesi alpine nelle Alpi Apuane: I minerali delle vene di quarzo della Valle dell'Acqua Bianca, Gorfigliano (LU) Riv. Mineral. It., 26, 4: 216-223
Chalcopyrite
Formula: CuFeS2
Colour: brown
Description: It is present in calcite veins.
Reference: Orlandi P., Dini A., Gemignani E., Pierotti L., Quilici U., Romani U., 2002. Paragenesi alpine nelle Alpi Apuane: I minerali delle vene di quarzo della Valle dell'Acqua Bianca, Gorfigliano (LU) Riv. Mineral. It., 26, 4: 216-223
Clinochlore
Formula: Mg5Al(AlSi3O10)(OH)8
Habit: micaceous xls
Colour: green
Reference: Orlandi P., Dini A., Gemignani E., Pierotti L., Quilici U., Romani U., 2002. Paragenesi alpine nelle Alpi Apuane: I minerali delle vene di quarzo della Valle dell'Acqua Bianca, Gorfigliano (LU) Riv. Mineral. It., 26, 4: 216-223
Fluorapatite
Formula: Ca5(PO4)3F
Habit: tabular xls
Colour: colorless, white
Reference: Orlandi P., Dini A., Gemignani E., Pierotti L., Quilici U., Romani U., 2002. Paragenesi alpine nelle Alpi Apuane: I minerali delle vene di quarzo della Valle dell'Acqua Bianca, Gorfigliano (LU) Riv. Mineral. It., 26, 4: 216-223
Goethite
Formula: α-Fe3+O(OH)
Hematite
Formula: Fe2O3
Habit: tabular xls, rarely rhombohedric xls
Colour: black
Description: xls up to 4 cm.
Reference: Orlandi P., Dini A., Gemignani E., Pierotti L., Quilici U., Romani U., 2002. Paragenesi alpine nelle Alpi Apuane: I minerali delle vene di quarzo della Valle dell'Acqua Bianca, Gorfigliano (LU) Riv. Mineral. It., 26, 4: 216-223
Malachite
Formula: Cu2(CO3)(OH)2
Habit: sprays of acicular xls
Colour: green
Description: It is an alteration product of chalcopyrite
Reference: Orlandi P., Dini A., Gemignani E., Pierotti L., Quilici U., Romani U., 2002. Paragenesi alpine nelle Alpi Apuane: I minerali delle vene di quarzo della Valle dell'Acqua Bianca, Gorfigliano (LU) Riv. Mineral. It., 26, 4: 216-223
Pyrite
Formula: FeS2
Habit: octahedric xls
Description: It is present in calcite veins, associated with chalcopyrite, in xls up to 1 cm. Very small xls, often limonitized, are present on acicular xls of thorite or, more rarely, of allanite-(Ce).
Reference: Orlandi P., Dini A., Gemignani E., Pierotti L., Quilici U., Romani U., 2002. Paragenesi alpine nelle Alpi Apuane: I minerali delle vene di quarzo della Valle dell'Acqua Bianca, Gorfigliano (LU) Riv. Mineral. It., 26, 4: 216-223
Quartz
Formula: SiO2
Habit: prismatic or tabular xls
Colour: colorless
Description: Often quartz xls are rich of inclusions: hematite, allanite-(Ce), chlorite. xls up to 10-15 cm.
Reference: Orlandi P., Dini A., Gemignani E., Pierotti L., Quilici U., Romani U., 2002. Paragenesi alpine nelle Alpi Apuane: I minerali delle vene di quarzo della Valle dell'Acqua Bianca, Gorfigliano (LU) Riv. Mineral. It., 26, 4: 216-223
Rutile
Formula: TiO2
Habit: acicular xls
Colour: yellow
Description: xls up to 2 mm. Sometimes epitaxy on hematite xls.
Reference: Orlandi P., Dini A., Gemignani E., Pierotti L., Quilici U., Romani U., 2002. Paragenesi alpine nelle Alpi Apuane: I minerali delle vene di quarzo della Valle dell'Acqua Bianca, Gorfigliano (LU) Riv. Mineral. It., 26, 4: 216-223
Synchysite-(Ce)
Formula: CaCe(CO3)2F
Habit: tabular xls
Colour: colorless, white, pink, yellow, orange
Description: xls up to 5 mm.
Reference: Orlandi P., Dini A., Gemignani E., Pierotti L., Quilici U., Romani U., 2002. Paragenesi alpine nelle Alpi Apuane: I minerali delle vene di quarzo della Valle dell'Acqua Bianca, Gorfigliano (LU) Riv. Mineral. It., 26, 4: 216-223
Thorite
Formula: Th(SiO4)
Habit: acicular xls
Colour: colorless, yellow
Description: xls up to 1 mm.
Reference: Orlandi P., Dini A., Gemignani E., Pierotti L., Quilici U., Romani U., 2002. Paragenesi alpine nelle Alpi Apuane: I minerali delle vene di quarzo della Valle dell'Acqua Bianca, Gorfigliano (LU) Riv. Mineral. It., 26, 4: 216-223

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
'Chalcopyrite'2.CB.10aCuFeS2
'Pyrite'2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
'Anatase'4.DD.05TiO2
'Goethite'4.00.α-Fe3+O(OH)
'Hematite'4.CB.05Fe2O3
'Quartz'4.DA.05SiO2
'Rutile'4.DB.05TiO2
Group 5 - Nitrates and Carbonates
'Azurite'5.BA.05Cu3(CO3)2(OH)2
'Calcite'5.AB.05CaCO3
'Malachite'5.BA.10Cu2(CO3)(OH)2
'Synchysite-(Ce)'5.BD.20cCaCe(CO3)2F
Group 8 - Phosphates, Arsenates and Vanadates
'Fluorapatite'8.BN.05Ca5(PO4)3F
Group 9 - Silicates
'Albite'9.FA.35Na(AlSi3O8)
'Allanite-(Ce)'9.BG.05b{CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
'Clinochlore'9.EC.55Mg5Al(AlSi3O10)(OH)8
'Thorite'9.AD.30Th(SiO4)

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 4 - SIMPLE OXIDES
A2X3
Hematite4.3.1.2Fe2O3
AX2
Anatase4.4.4.1TiO2
Rutile4.4.1.1TiO2
Group 6 - HYDROXIDES AND OXIDES CONTAINING HYDROXYL
XO(OH)
Goethite6.1.1.2α-Fe3+O(OH)
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
Synchysite-(Ce)16a.1.3.1CaCe(CO3)2F
Azurite16a.2.1.1Cu3(CO3)2(OH)2
Malachite16a.3.1.1Cu2(CO3)(OH)2
Group 41 - ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
A5(XO4)3Zq
Fluorapatite41.8.1.1Ca5(PO4)3F
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in >[6] coordination
Thorite51.5.2.3Th(SiO4)
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)
Allanite-(Ce)58.2.1a.1{CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings interlayered 1:1, 2:1, and octahedra
Clinochlore71.4.1.4Mg5Al(AlSi3O10)(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)

List of minerals for each chemical element

HHydrogen
H Allanite-(Ce){CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
H AzuriteCu3(CO3)2(OH)2
H ClinochloreMg5Al(AlSi3O10)(OH)8
H Goethiteα-Fe3+O(OH)
H MalachiteCu2(CO3)(OH)2
CCarbon
C AzuriteCu3(CO3)2(OH)2
C CalciteCaCO3
C MalachiteCu2(CO3)(OH)2
C Synchysite-(Ce)CaCe(CO3)2F
OOxygen
O AlbiteNa(AlSi3O8)
O Allanite-(Ce){CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
O AnataseTiO2
O AzuriteCu3(CO3)2(OH)2
O CalciteCaCO3
O ClinochloreMg5Al(AlSi3O10)(OH)8
O FluorapatiteCa5(PO4)3F
O Goethiteα-Fe3+O(OH)
O HematiteFe2O3
O MalachiteCu2(CO3)(OH)2
O QuartzSiO2
O RutileTiO2
O Synchysite-(Ce)CaCe(CO3)2F
O ThoriteTh(SiO4)
FFluorine
F FluorapatiteCa5(PO4)3F
F Synchysite-(Ce)CaCe(CO3)2F
NaSodium
Na AlbiteNa(AlSi3O8)
MgMagnesium
Mg ClinochloreMg5Al(AlSi3O10)(OH)8
AlAluminium
Al AlbiteNa(AlSi3O8)
Al Allanite-(Ce){CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
Al ClinochloreMg5Al(AlSi3O10)(OH)8
SiSilicon
Si AlbiteNa(AlSi3O8)
Si Allanite-(Ce){CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
Si ClinochloreMg5Al(AlSi3O10)(OH)8
Si QuartzSiO2
Si ThoriteTh(SiO4)
PPhosphorus
P FluorapatiteCa5(PO4)3F
SSulfur
S ChalcopyriteCuFeS2
S PyriteFeS2
CaCalcium
Ca Allanite-(Ce){CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
Ca CalciteCaCO3
Ca FluorapatiteCa5(PO4)3F
Ca Synchysite-(Ce)CaCe(CO3)2F
TiTitanium
Ti AnataseTiO2
Ti RutileTiO2
FeIron
Fe Allanite-(Ce){CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
Fe ChalcopyriteCuFeS2
Fe Goethiteα-Fe3+O(OH)
Fe HematiteFe2O3
Fe PyriteFeS2
CuCopper
Cu AzuriteCu3(CO3)2(OH)2
Cu ChalcopyriteCuFeS2
Cu MalachiteCu2(CO3)(OH)2
CeCerium
Ce Allanite-(Ce){CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
Ce Synchysite-(Ce)CaCe(CO3)2F
ThThorium
Th ThoriteTh(SiO4)

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
• Orlandi, P., Dini, A., Gemignani, E., Pierotti, L., Quilici, U., Romani, U. (2002): Paragenesi alpine nelle Alpi Apuane: I minerali delle vene di quarzo della Valle dell'Acqua Bianca, Gorfigliano (LU). Rivista Mineralogica Italiana, 26 (4), 216-223.
• Biagioni, C. (2009). Minerali della Provincia di Lucca. Associazione Micro-Mineralogica Italiana, Cremona, 352 pp.


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