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Rio Grande do Sul, Brazil

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Name(s) in local language(s):Rio Grande do Sul, Sul, Brasil
Neighbouring regions:
Museums in region:


Rio Grande to Sul is best known to collectors, mineralogists and museum curators for the wonderful specimens of agate and amethyst that come from the amygdaloidal cavities in the huge basalt formation know as the Parana basalts. The mining of amethyst crystals are currently centered mostly around the little town of Ametista do Sul although much amethyst and agate is and has been mined from localities up to and further than 100 km away.

Each year two to four thousand tons of agate and amethyst is exported from this region to all parts of the world. In most cases it is not possible to look at a cluster of amethyst crystals or a particular agate slab and know with certainty which of these localities it came from because they often produce similar material. However, some amethyst and agate specimens are distinctive enough that it is possible to place them as being from a particular area like the Umbu agates from the area around Salto do Jaquai or the amethyst "flowers" and calcite crystal specimen from the area around Frederico Westphalen. Rock Currier (2009)

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded from this region.


Mineral List

Mineral list contains entries from the region specified including sub-localities

42 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!

Rock list contains entries from the region specified including sub-localities

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Albite
Formula: Na(AlSi3O8)
'Albite-Anorthite Series'
Analcime
Formula: Na(AlSi2O6) · H2O
Anorthite
Formula: Ca(Al2Si2O8)
'Apatite'
'Apophyllite'
Azurite
Formula: Cu3(CO3)2(OH)2
Baryte
Formula: BaSO4
Reference: Personal collection from Melanson: on typical matrix with calcite
Bornite
Formula: Cu5FeS4
Calcite
Formula: CaCO3
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.
'Carbonatite'
Cavansite
Formula: Ca(VO)Si4O10 · 4H2O
Celadonite
Formula: K(Mg,Fe2+)Fe3+(Si4O10)(OH)2
'Chabazite'
'Chabazite var: Phacolite'
Chabazite-Ca
Formula: (Ca,K2,Na2)2[Al2Si4O12]2 · 12H2O
Chalcocite
Formula: Cu2S
Chalcopyrite
Formula: CuFeS2
Chlorapatite
Formula: Ca5(PO4)3Cl
'Chlorite Group'
Chromite
Formula: Fe2+Cr3+2O4
'Clinopyroxene Subgroup'
'Conglomerate'
Copper
Formula: Cu
Diopside
Formula: CaMgSi2O6
Epistilbite
Formula: CaAl2Si6O16 · 5H2O
'Fayalite-Forsterite Series'
Fluorapophyllite-(K)
Formula: KCa4(Si8O20)(F,OH) · 8H2O
Fluorite
Formula: CaF2
Galena
Formula: PbS
'Glass'
Goethite
Formula: α-Fe3+O(OH)
Gold
Formula: Au
'Granulite'
Gypsum
Formula: CaSO4 · 2H2O
Gypsum var: Selenite
Formula: CaSO4 · 2H2O
Hematite
Formula: Fe2O3
'Heulandite subgroup'
Localities: Reported from at least 9 localities in this region.
'IIIAB iron meteorite'
Iron
Formula: Fe
Iron var: Kamacite
Formula: (Fe,Ni)
'K Feldspar'
'L4 chondrite meteorite'
'L6 chondrite meteorite'
Laumontite
Formula: CaAl2Si4O12 · 4H2O
'Lévyne'
'Limonite'
Formula: (Fe,O,OH,H2O)
Magnetite
Formula: Fe2+Fe3+2O4
Malachite
Formula: Cu2(CO3)(OH)2
'Marble'
'Maskelynite'
Merrillite
Formula: Ca9NaMg(PO4)7
'Meteoritic Iron'
Mordenite
Formula: (Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Muscovite var: Illite
Formula: K0.65Al2.0[Al0.65Si3.35O10](OH)2
Nekoite
Formula: Ca3Si6O15·7H2O
Opal
Formula: SiO2 · nH2O
Opal var: Fire Opal
Formula: SiO2 · nH2O
Opal var: Hyalite
Formula: SiO2 · nH2O
'Orthopyroxene Subgroup'
'Phengite'
Formula: KAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
'commodity:Phosphate Rock'
'Plessite'
Pyrite
Formula: FeS2
Quartz
Formula: SiO2
Reference: [www.johnbetts-fineminerals.com]; 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.
Quartz var: Agate
Localities: Reported from at least 7 localities in this region.
Quartz var: Amethyst
Formula: SiO2
Reference: [www.johnbetts-fineminerals.com]; 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.
Quartz var: Chalcedony
Formula: SiO2
Localities: Reported from at least 8 localities in this region.
Quartz var: Citrine
Formula: SiO2
Quartz var: Ferruginous Quartz
Formula: SiO2
Reference: Karel Bal Collection; 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.
Quartz var: Onyx
Formula: SiO2
Quartz var: Quartzine
Formula: SiO2
'Sandstone'
Scolecite
Formula: CaAl2Si3O10 · 3H2O
Silver
Formula: Ag
Sphalerite
Formula: ZnS
Stellerite
Formula: Ca4(Si28Al8)O72 · 28H2O
Localities: Reported from at least 7 localities in this region.
Stilbite-Ca
Formula: NaCa4[Al9Si27O72] · nH2O
'Stilbite subgroup'
Localities: Reported from at least 6 localities in this region.
Taenite
Formula: (Fe,Ni)
Troilite
Formula: FeS
'White mica'
'Zeolite Group'

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Copper1.AA.05Cu
Gold1.AA.05Au
Iron1.AE.05Fe
var: Kamacite1.AE.05(Fe,Ni)
Silver1.AA.05Ag
Taenite1.AE.10(Fe,Ni)
Group 2 - Sulphides and Sulfosalts
Bornite2.BA.15Cu5FeS4
Chalcocite2.BA.05Cu2S
Chalcopyrite2.CB.10aCuFeS2
Galena2.CD.10PbS
'Pyrite'2.EB.05aFeS2
Sphalerite2.CB.05aZnS
Troilite2.CC.10FeS
Group 3 - Halides
Fluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
Chromite4.BB.05Fe2+Cr3+2O4
Goethite4.00.α-Fe3+O(OH)
Hematite4.CB.05Fe2O3
Magnetite4.BB.05Fe2+Fe3+2O4
Opal4.DA.10SiO2 · nH2O
var: Fire Opal4.DA.10SiO2 · nH2O
var: Hyalite4.DA.10SiO2 · nH2O
'Quartz'4.DA.05SiO2
var: Agate4.DA.05SiO2
var: Amethyst4.DA.05SiO2
var: Chalcedony4.DA.05SiO2
var: Citrine4.DA.05SiO2
var: Ferruginous Quartz4.DA.05SiO2
var: Onyx4.DA.05SiO2
var: Quartzine4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Azurite5.BA.05Cu3(CO3)2(OH)2
Calcite5.AB.05CaCO3
Malachite5.BA.10Cu2(CO3)(OH)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Baryte7.AD.35BaSO4
Gypsum7.CD.40CaSO4 · 2H2O
var: Selenite7.CD.40CaSO4 · 2H2O
Group 8 - Phosphates, Arsenates and Vanadates
Chlorapatite8.BN.05Ca5(PO4)3Cl
Merrillite8.AC.45Ca9NaMg(PO4)7
Group 9 - Silicates
Albite9.FA.35Na(AlSi3O8)
Analcime9.GB.05Na(AlSi2O6) · H2O
Anorthite9.FA.35Ca(Al2Si2O8)
Cavansite9.EA.50Ca(VO)Si4O10 · 4H2O
Celadonite9.EC.15K(Mg,Fe2+)Fe3+(Si4O10)(OH)2
Chabazite-Ca9.GD.10(Ca,K2,Na2)2[Al2Si4O12]2 · 12H2O
Diopside9.DA.15CaMgSi2O6
Epistilbite9.GD.45CaAl2Si6O16 · 5H2O
Fluorapophyllite-(K)9.EA.15KCa4(Si8O20)(F,OH) · 8H2O
Laumontite9.GB.10CaAl2Si4O12 · 4H2O
Mordenite9.GD.35(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
var: Illite9.EC.15K0.65Al2.0[Al0.65Si3.35O10](OH)2
Nekoite9.EA.45Ca3Si6O15·7H2O
Scolecite9.GA.05CaAl2Si3O10 · 3H2O
Stellerite9.GE.15Ca4(Si28Al8)O72 · 28H2O
Stilbite-Ca9.GE.10NaCa4[Al9Si27O72] · nH2O
Zeolite Group9.G0.
Unclassified Minerals, Rocks, etc.
Albite-Anorthite Series-
Apatite-
Apophyllite-
Carbonatite-
Chabazite-
'var: Phacolite'-
Chlorite Group-
Clinopyroxene Subgroup-
Conglomerate-
Fayalite-Forsterite Series-
Glass-
Granulite-
Heulandite subgroup-
IIIAB iron meteorite-
K Feldspar-
L4 chondrite meteorite-
L6 chondrite meteorite-
Limonite-(Fe,O,OH,H2O)
Lévyne-
Marble-
Maskelynite-
Meteoritic Iron-
Orthopyroxene Subgroup-
'Phengite'-KAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
'Plessite'-
Sandstone-
Stilbite subgroup-
White mica-

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Copper1.1.1.3Cu
Gold1.1.1.1Au
Iron
var: Kamacite
1.1.11.1(Fe,Ni)
Silver1.1.1.2Ag
Taenite1.1.11.2(Fe,Ni)
Group 2 - SULFIDES
AmBnXp, with (m+n):p = 2:1
Chalcocite2.4.7.1Cu2S
AmBnXp, with (m+n):p = 3:2
Bornite2.5.2.1Cu5FeS4
AmXp, with m:p = 1:1
Galena2.8.1.1PbS
Sphalerite2.8.2.1ZnS
Troilite2.8.9.1FeS
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
Group 6 - HYDROXIDES AND OXIDES CONTAINING HYDROXYL
XO(OH)
Goethite6.1.1.2α-Fe3+O(OH)
Group 7 - MULTIPLE OXIDES
AB2X4
Chromite7.2.3.3Fe2+Cr3+2O4
Magnetite7.2.2.3Fe2+Fe3+2O4
Group 9 - NORMAL HALIDES
AX2
Fluorite9.2.1.1CaF2
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
Azurite16a.2.1.1Cu3(CO3)2(OH)2
Malachite16a.3.1.1Cu2(CO3)(OH)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 38 - ANHYDROUS NORMAL PHOSPHATES, ARSENATES, AND VANADATES
(AB)3(XO4)2
Merrillite38.3.4.4Ca9NaMg(PO4)7
Group 41 - ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
A5(XO4)3Zq
Chlorapatite41.8.1.2Ca5(PO4)3Cl
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Diopside65.1.3a.1CaMgSi2O6
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Celadonite71.2.2a.6K(Mg,Fe2+)Fe3+(Si4O10)(OH)2
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
var: Illite71.2.2d.2K0.65Al2.0[Al0.65Si3.35O10](OH)2
Group 72 - PHYLLOSILICATES Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings
Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings with 3-, 4-, or 5-membered rings and 8-membered rings
Fluorapophyllite-(K)72.3.1.1KCa4(Si8O20)(F,OH) · 8H2O
Nekoite72.3.2.7Ca3Si6O15·7H2O
Group 74 - PHYLLOSILICATES Modulated Layers
Modulated Layers with joined strips
Cavansite74.3.7.1Ca(VO)Si4O10 · 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
Opal75.2.1.1SiO2 · nH2O
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework with Al-Si frameworks
Albite76.1.3.1Na(AlSi3O8)
Group 77 - TECTOSILICATES Zeolites
Zeolite group - True zeolites
Analcime77.1.1.1Na(AlSi2O6) · H2O
Chabazite-Ca77.1.2.1(Ca,K2,Na2)2[Al2Si4O12]2 · 12H2O
Epistilbite77.1.6.2CaAl2Si6O16 · 5H2O
Laumontite77.1.1.4CaAl2Si4O12 · 4H2O
'Lévyne'77.1.2.8
Mordenite77.1.6.1(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Scolecite77.1.5.5CaAl2Si3O10 · 3H2O
Stellerite77.1.4.4Ca4(Si28Al8)O72 · 28H2O
Stilbite-Ca77.1.4.3NaCa4[Al9Si27O72] · nH2O
Unclassified Minerals, Rocks, etc.
'Albite-Anorthite Series'-
Anorthite-Ca(Al2Si2O8)
'Apatite'-
'Apophyllite'-
'Carbonatite'-
'Chabazite'-
'var: Phacolite'-
'Chlorite Group'-
'Clinopyroxene Subgroup'-
'Conglomerate'-
'Fayalite-Forsterite Series'-
'Glass'-
'Granulite'-
Gypsum
var: Selenite
-CaSO4 · 2H2O
'Heulandite subgroup'-
'IIIAB iron meteorite'-
Iron-Fe
'K Feldspar'-
'L4 chondrite meteorite'-
'L6 chondrite meteorite'-
'Limonite'-(Fe,O,OH,H2O)
'Marble'-
'Maskelynite'-
'Meteoritic Iron'-
Opal
var: Fire Opal
-SiO2 · nH2O
var: Hyalite-SiO2 · nH2O
'Orthopyroxene Subgroup'-
'Phengite'-KAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
'Plessite'-
Quartz
var: Agate
-SiO2
var: Amethyst-SiO2
var: Chalcedony-SiO2
var: Citrine-SiO2
var: Ferruginous Quartz-SiO2
var: Onyx-SiO2
var: Quartzine-SiO2
'Sandstone'-
'Stilbite subgroup'-
'White mica'-
'Zeolite Group'-

List of minerals for each chemical element

HHydrogen
H AnalcimeNa(AlSi2O6) · H2O
H AzuriteCu3(CO3)2(OH)2
H CavansiteCa(VO)Si4O10 · 4H2O
H CeladoniteK(Mg,Fe2+)Fe3+(Si4O10)(OH)2
H Chabazite-Ca(Ca,K2,Na2)2[Al2Si4O12]2 · 12H2O
H EpistilbiteCaAl2Si6O16 · 5H2O
H Opal (var: Fire Opal)SiO2 · nH2O
H Fluorapophyllite-(K)KCa4(Si8O20)(F,OH) · 8H2O
H Goethiteα-Fe3+O(OH)
H GypsumCaSO4 · 2H2O
H Opal (var: Hyalite)SiO2 · nH2O
H Muscovite (var: Illite)K0.65Al2.0[Al0.65Si3.35O10](OH)2
H LaumontiteCaAl2Si4O12 · 4H2O
H Limonite(Fe,O,OH,H2O)
H MalachiteCu2(CO3)(OH)2
H Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
H MuscoviteKAl2(AlSi3O10)(OH)2
H NekoiteCa3Si6O15·7H2O
H OpalSiO2 · nH2O
H PhengiteKAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
H ScoleciteCaAl2Si3O10 · 3H2O
H Gypsum (var: Selenite)CaSO4 · 2H2O
H StelleriteCa4(Si28Al8)O72 · 28H2O
H Stilbite-CaNaCa4[Al9Si27O72] · nH2O
CCarbon
C AzuriteCu3(CO3)2(OH)2
C CalciteCaCO3
C MalachiteCu2(CO3)(OH)2
OOxygen
O AlbiteNa(AlSi3O8)
O Quartz (var: Amethyst)SiO2
O AnalcimeNa(AlSi2O6) · H2O
O AnorthiteCa(Al2Si2O8)
O AzuriteCu3(CO3)2(OH)2
O BaryteBaSO4
O CalciteCaCO3
O CavansiteCa(VO)Si4O10 · 4H2O
O CeladoniteK(Mg,Fe2+)Fe3+(Si4O10)(OH)2
O Chabazite-Ca(Ca,K2,Na2)2[Al2Si4O12]2 · 12H2O
O Quartz (var: Chalcedony)SiO2
O ChlorapatiteCa5(PO4)3Cl
O ChromiteFe2+Cr23+O4
O Quartz (var: Citrine)SiO2
O DiopsideCaMgSi2O6
O EpistilbiteCaAl2Si6O16 · 5H2O
O Quartz (var: Ferruginous Quartz)SiO2
O Opal (var: Fire Opal)SiO2 · nH2O
O Fluorapophyllite-(K)KCa4(Si8O20)(F,OH) · 8H2O
O Goethiteα-Fe3+O(OH)
O GypsumCaSO4 · 2H2O
O HematiteFe2O3
O Opal (var: Hyalite)SiO2 · nH2O
O Muscovite (var: Illite)K0.65Al2.0[Al0.65Si3.35O10](OH)2
O LaumontiteCaAl2Si4O12 · 4H2O
O Limonite(Fe,O,OH,H2O)
O MagnetiteFe2+Fe23+O4
O MalachiteCu2(CO3)(OH)2
O MerrilliteCa9NaMg(PO4)7
O Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
O MuscoviteKAl2(AlSi3O10)(OH)2
O NekoiteCa3Si6O15·7H2O
O Quartz (var: Onyx)SiO2
O OpalSiO2 · nH2O
O PhengiteKAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
O QuartzSiO2
O Quartz (var: Quartzine)SiO2
O ScoleciteCaAl2Si3O10 · 3H2O
O Gypsum (var: Selenite)CaSO4 · 2H2O
O StelleriteCa4(Si28Al8)O72 · 28H2O
O Stilbite-CaNaCa4[Al9Si27O72] · nH2O
FFluorine
F Fluorapophyllite-(K)KCa4(Si8O20)(F,OH) · 8H2O
F FluoriteCaF2
NaSodium
Na AlbiteNa(AlSi3O8)
Na AnalcimeNa(AlSi2O6) · H2O
Na MerrilliteCa9NaMg(PO4)7
Na Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Na Stilbite-CaNaCa4[Al9Si27O72] · nH2O
MgMagnesium
Mg CeladoniteK(Mg,Fe2+)Fe3+(Si4O10)(OH)2
Mg DiopsideCaMgSi2O6
Mg MerrilliteCa9NaMg(PO4)7
Mg PhengiteKAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
AlAluminium
Al AlbiteNa(AlSi3O8)
Al AnalcimeNa(AlSi2O6) · H2O
Al AnorthiteCa(Al2Si2O8)
Al Chabazite-Ca(Ca,K2,Na2)2[Al2Si4O12]2 · 12H2O
Al EpistilbiteCaAl2Si6O16 · 5H2O
Al Muscovite (var: Illite)K0.65Al2.0[Al0.65Si3.35O10](OH)2
Al LaumontiteCaAl2Si4O12 · 4H2O
Al Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al PhengiteKAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
Al ScoleciteCaAl2Si3O10 · 3H2O
Al StelleriteCa4(Si28Al8)O72 · 28H2O
Al Stilbite-CaNaCa4[Al9Si27O72] · nH2O
SiSilicon
Si AlbiteNa(AlSi3O8)
Si Quartz (var: Amethyst)SiO2
Si AnalcimeNa(AlSi2O6) · H2O
Si AnorthiteCa(Al2Si2O8)
Si CavansiteCa(VO)Si4O10 · 4H2O
Si CeladoniteK(Mg,Fe2+)Fe3+(Si4O10)(OH)2
Si Chabazite-Ca(Ca,K2,Na2)2[Al2Si4O12]2 · 12H2O
Si Quartz (var: Chalcedony)SiO2
Si Quartz (var: Citrine)SiO2
Si DiopsideCaMgSi2O6
Si EpistilbiteCaAl2Si6O16 · 5H2O
Si Quartz (var: Ferruginous Quartz)SiO2
Si Opal (var: Fire Opal)SiO2 · nH2O
Si Fluorapophyllite-(K)KCa4(Si8O20)(F,OH) · 8H2O
Si Opal (var: Hyalite)SiO2 · nH2O
Si Muscovite (var: Illite)K0.65Al2.0[Al0.65Si3.35O10](OH)2
Si LaumontiteCaAl2Si4O12 · 4H2O
Si Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si NekoiteCa3Si6O15·7H2O
Si Quartz (var: Onyx)SiO2
Si OpalSiO2 · nH2O
Si PhengiteKAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
Si QuartzSiO2
Si Quartz (var: Quartzine)SiO2
Si ScoleciteCaAl2Si3O10 · 3H2O
Si StelleriteCa4(Si28Al8)O72 · 28H2O
Si Stilbite-CaNaCa4[Al9Si27O72] · nH2O
PPhosphorus
P ChlorapatiteCa5(PO4)3Cl
P MerrilliteCa9NaMg(PO4)7
SSulfur
S BaryteBaSO4
S BorniteCu5FeS4
S ChalcociteCu2S
S ChalcopyriteCuFeS2
S GalenaPbS
S GypsumCaSO4 · 2H2O
S PyriteFeS2
S Gypsum (var: Selenite)CaSO4 · 2H2O
S SphaleriteZnS
S TroiliteFeS
ClChlorine
Cl ChlorapatiteCa5(PO4)3Cl
KPotassium
K CeladoniteK(Mg,Fe2+)Fe3+(Si4O10)(OH)2
K Fluorapophyllite-(K)KCa4(Si8O20)(F,OH) · 8H2O
K Muscovite (var: Illite)K0.65Al2.0[Al0.65Si3.35O10](OH)2
K Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
K MuscoviteKAl2(AlSi3O10)(OH)2
K PhengiteKAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
CaCalcium
Ca AnorthiteCa(Al2Si2O8)
Ca CalciteCaCO3
Ca CavansiteCa(VO)Si4O10 · 4H2O
Ca Chabazite-Ca(Ca,K2,Na2)2[Al2Si4O12]2 · 12H2O
Ca ChlorapatiteCa5(PO4)3Cl
Ca DiopsideCaMgSi2O6
Ca EpistilbiteCaAl2Si6O16 · 5H2O
Ca Fluorapophyllite-(K)KCa4(Si8O20)(F,OH) · 8H2O
Ca FluoriteCaF2
Ca GypsumCaSO4 · 2H2O
Ca LaumontiteCaAl2Si4O12 · 4H2O
Ca MerrilliteCa9NaMg(PO4)7
Ca Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Ca NekoiteCa3Si6O15·7H2O
Ca ScoleciteCaAl2Si3O10 · 3H2O
Ca Gypsum (var: Selenite)CaSO4 · 2H2O
Ca StelleriteCa4(Si28Al8)O72 · 28H2O
Ca Stilbite-CaNaCa4[Al9Si27O72] · nH2O
VVanadium
V CavansiteCa(VO)Si4O10 · 4H2O
CrChromium
Cr ChromiteFe2+Cr23+O4
FeIron
Fe BorniteCu5FeS4
Fe CeladoniteK(Mg,Fe2+)Fe3+(Si4O10)(OH)2
Fe ChalcopyriteCuFeS2
Fe ChromiteFe2+Cr23+O4
Fe Goethiteα-Fe3+O(OH)
Fe HematiteFe2O3
Fe IronFe
Fe Iron (var: Kamacite)(Fe,Ni)
Fe Limonite(Fe,O,OH,H2O)
Fe MagnetiteFe2+Fe23+O4
Fe PhengiteKAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
Fe PyriteFeS2
Fe Taenite(Fe,Ni)
Fe TroiliteFeS
NiNickel
Ni Iron (var: Kamacite)(Fe,Ni)
Ni Taenite(Fe,Ni)
CuCopper
Cu AzuriteCu3(CO3)2(OH)2
Cu BorniteCu5FeS4
Cu ChalcociteCu2S
Cu ChalcopyriteCuFeS2
Cu CopperCu
Cu MalachiteCu2(CO3)(OH)2
ZnZinc
Zn SphaleriteZnS
AgSilver
Ag SilverAg
BaBarium
Ba BaryteBaSO4
AuGold
Au GoldAu
PbLead
Pb GalenaPbS

References

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Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Balzer, R. (2003): Rio Grande do Sul, Brasilien - Landschaften - Menschen - edle Steine. Wenzel Verlag, Marburg, 235 pp. (in German)

Localities in this Region
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