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Capão do Lana mine, Rodrigo Silva district, Ouro Preto, Minas Gerais, Brazili
Regional Level Types
Capão do Lana mineMine
Rodrigo Silva districtDistrict
Ouro Preto- not defined -
Minas Gerais- not defined -
BrazilCountry

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Name(s) in local language(s):(Lana Mine)
Location is approximate, estimate based on other nearby localities.
 
Latitude & Longitude (WGS84): 20° South , 43° West (est.)
Margin of Error:~34km
Locality type:Mine
Köppen climate type:Cwb : Subtropical highland climate or temperate oceanic climate with dry winters


The largest mine for imperial topaz in the world, started in the early 19th century. Annual production twelve kilos of gem rough, approximately 30,000 carats.
A topaz mine.
400 m3 of clay are mined per day with 1kg of topaz and 10gm of gemstones.

Regions containing this locality

South America PlateTectonic Plate
South AmericaContinent
Iron Quadrangle, Minas Gerais, BrazilQuadrangle

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


8 valid minerals.

Detailed Mineral List:

'Clays'
Reference: Henwood, W.J. (1871): Transactions of the Royal Geological Society of Cornwall 8(1), 168-370.
Euclase
Formula: BeAl(SiO4)(OH)
Reference: Henwood, W.J. (1871): Transactions of the Royal Geological Society of Cornwall 8(1), 168-370.
Hematite
Formula: Fe2O3
Reference: Henwood, W.J. (1871): Transactions of the Royal Geological Society of Cornwall 8(1), 168-370
Hematite var: Specularite
Formula: Fe2O3
Reference: Henwood, W.J. (1871): Transactions of the Royal Geological Society of Cornwall 8(1), 168-370
Magnetite
Formula: Fe2+Fe3+2O4
Reference: Henwood, W.J. (1871): Transactions of the Royal Geological Society of Cornwall 8(1), 168-370.
Pyrite
Formula: FeS2
Reference: Henwood, W.J. (1871): Transactions of the Royal Geological Society of Cornwall 8(1), 168-370.
Quartz
Formula: SiO2
Reference: Henwood, W.J. (1871): Transactions of the Royal Geological Society of Cornwall 8(1), 168-370
Quartz var: Rock Crystal
Formula: SiO2
Reference: Henwood, W.J. (1871): Transactions of the Royal Geological Society of Cornwall 8(1), 168-370.
Rutile
Formula: TiO2
Reference: Carles Curto Milà collection
Talc
Formula: Mg3Si4O10(OH)2
Reference: Henwood, W.J. (1871): Transactions of the Royal Geological Society of Cornwall 8(1), 168-370
Topaz
Formula: Al2(SiO4)(F,OH)2
Reference: Henwood, W.J. (1871): Transactions of the Royal Geological Society of Cornwall 8(1), 168-370.
Topaz var: Imperial Topaz
Formula: Al2(SiO4)(F,OH)2
Reference: de Brito Barreto, S., & Bretas Bittar, S. M. (2010). Los depósitos de gemas de Brasil: localización, producción e impacto económico. Boletín de la Sociedad Geológica Mexicana, 62(1), 123-140.

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Pyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
Hematite4.CB.05Fe2O3
var: Specularite4.CB.05Fe2O3
Magnetite4.BB.05Fe2+Fe3+2O4
Quartz4.DA.05SiO2
var: Rock Crystal4.DA.05SiO2
Rutile4.DB.05TiO2
Group 9 - Silicates
Euclase9.AE.10BeAl(SiO4)(OH)
Talc9.EC.05Mg3Si4O10(OH)2
Topaz9.AF.35Al2(SiO4)(F,OH)2
var: Imperial Topaz9.AF.35Al2(SiO4)(F,OH)2
Unclassified Minerals, Rocks, etc.
'Clays'-

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 4 - SIMPLE OXIDES
A2X3
Hematite4.3.1.2Fe2O3
AX2
Rutile4.4.1.1TiO2
Group 7 - MULTIPLE OXIDES
AB2X4
Magnetite7.2.2.3Fe2+Fe3+2O4
Group 52 - NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
Insular SiO4 Groups and O, OH, F, and H2O with cations in [4] and >[4] coordination
Euclase52.2.1.1BeAl(SiO4)(OH)
Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] coordination only
Topaz52.3.1.1Al2(SiO4)(F,OH)2
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Talc71.2.1.3Mg3Si4O10(OH)2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
'Clays'-
Hematite
var: Specularite
-Fe2O3
Quartz
var: Rock Crystal
-SiO2
Topaz
var: Imperial Topaz
-Al2(SiO4)(F,OH)2

List of minerals for each chemical element

HHydrogen
H TopazAl2(SiO4)(F,OH)2
H TalcMg3Si4O10(OH)2
H EuclaseBeAl(SiO4)(OH)
H Topaz (var: Imperial Topaz)Al2(SiO4)(F,OH)2
BeBeryllium
Be EuclaseBeAl(SiO4)(OH)
OOxygen
O TopazAl2(SiO4)(F,OH)2
O TalcMg3Si4O10(OH)2
O Hematite (var: Specularite)Fe2O3
O QuartzSiO2
O EuclaseBeAl(SiO4)(OH)
O Quartz (var: Rock Crystal)SiO2
O MagnetiteFe2+Fe23+O4
O RutileTiO2
O Topaz (var: Imperial Topaz)Al2(SiO4)(F,OH)2
O HematiteFe2O3
FFluorine
F TopazAl2(SiO4)(F,OH)2
F Topaz (var: Imperial Topaz)Al2(SiO4)(F,OH)2
MgMagnesium
Mg TalcMg3Si4O10(OH)2
AlAluminium
Al TopazAl2(SiO4)(F,OH)2
Al EuclaseBeAl(SiO4)(OH)
Al Topaz (var: Imperial Topaz)Al2(SiO4)(F,OH)2
SiSilicon
Si TopazAl2(SiO4)(F,OH)2
Si TalcMg3Si4O10(OH)2
Si QuartzSiO2
Si EuclaseBeAl(SiO4)(OH)
Si Quartz (var: Rock Crystal)SiO2
Si Topaz (var: Imperial Topaz)Al2(SiO4)(F,OH)2
SSulfur
S PyriteFeS2
TiTitanium
Ti RutileTiO2
FeIron
Fe Hematite (var: Specularite)Fe2O3
Fe PyriteFeS2
Fe MagnetiteFe2+Fe23+O4
Fe HematiteFe2O3

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Henwood, W.J. (1871): Observations on Metalliferous Deposits: On the Gold Mines of Minas Geraes, in Brazil. Transactions of the Royal Geological Society of Cornwall 8(1), 168-370.
de Brito Barreto, S., & Bretas Bittar, S. M. (2010). Los depósitos de gemas de Brasil: localización, producción e impacto económico. Boletín de la Sociedad Geológica Mexicana, 62(1), 123-140.

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