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Guyanai
Regional Level Types
GuyanaCountry

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Merume Rive / Director Creek Area, Guiana (Guyana)

Merume river, Kamakusa, Mazaruni District, Guyana
Merume River Area, Guiana (Guyana)

Merume river, Kamakusa, Mazaruni District, Guyana
Name in French:Guyane
Name in German:Guyana
Name in Italian:Guyana
Name in Russian:Гайана
Name in Simplified Chinese:圭亚那
Name in Spanish:Guyana
Name in Afrikaans:Guyana
Name in Albanian:Guajana
Name in Arabic:غويانا
Name in Belarusian:Гаяна
Name in Bulgarian:Гвиана
Name in Catalan:Guaiana
Name in Czech:Guyana
Name in Danish:Guyana
Name in Dutch:Guyana
Name in Estonian:Guyana
Name in Farsi/Persian:گویان
Name in Finnish:Guyana
Name in Galician:Güiana
Name in Greek:Γουιάνα
Name in Hebrew:גיאנה
Name in Hindi:गयाना
Name in Hungarian:Guyana
Name in Icelandic:Gvæjana
Name in Indonesian:Guyana
Name in Irish Gaelic:An Ghuáin
Name in Japanese:ガイアナ
Name in Korean:가이아나
Name in Latvian:Gajāna
Name in Lithuanian:Gajana
Name in Macedonian:Гвајана
Name in Norwegian:Guyana
Name in Polish:Gujana
Name in Portuguese:Guiana
Name in Romanian:Guyana
Name in Serbian:Гвајана
Name in Slovak:Guyana
Name in Slovenian:Gvajana
Name in Swahili:Guyana
Name in Swedish:Guyana
Name in Tagalog:Guyana
Name in Thai:กายอานา
Name in Turkish:Guyana
Name in Ukrainian:Гаяна
Name in Vietnamese:Guyana
Name in Welsh:Gaiana
Area:214,970 km2
Neighbouring regions:
Locality type:Country
Largest Settlements:
PlacePopulation
Georgetown235,017 (2010)
Linden44,690 (2013)
New Amsterdam35,039 (2013)
Anna Regina12,448 (2018)
Bartica11,157 (2014)
Rosignol5,782 (2012)


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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

68 valid minerals. 5 (TL) - type locality of valid minerals. 1 (FRL) - first recorded locality of unapproved mineral/variety/etc.

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:

Actinolite
Formula: ☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Reference: AmMin 57:1540
Aegirine
Formula: NaFe3+Si2O6
Aegirine-augite
Formula: (NaaCabFe2+cMgd)(Fe3+eAlfFe2+gMgh)Si2O6
Reference: Alan R. Woolley (1987) Alkaline Rocks and Carbonatites of the World. (British Museum, Natural History); USGS Bulletin 2062
Aikinite ?
Formula: PbCuBiS3
Reference: Gabriel Voicu (1999) Geology, Geochemistry and Metallogeny of the Omai Gold Deposit, Guiana Shield, South America. PhD Thesis University of Quebec Chicoutimi.
Albite
Formula: Na(AlSi3O8)
Albite var: Oligoclase
Formula: (Na,Ca)[Al(Si,Al)Si2O8]
'Allanite Group'
Formula: {A12+REE3+}{M3+2M32+}(Si2O7)(SiO4)O(OH)
Description: "orthite"
Altaite
Formula: PbTe
'Amblygonite-Montebrasite Series'
Reference: Rolf Luetche
Anatase
Formula: TiO2
Reference: http://www.engineeringnews.co.za/article/omai-bauxite-mine-2006-10-27
Ankerite
Formula: Ca(Fe2+,Mg)(CO3)2
'Apatite'
Arfvedsonite
Formula: [Na][Na2][Fe2+4Fe3+]Si8O22(OH)2
'Biotite'
Reference: USGS Bulletin 2062
Bismuth
Formula: Bi
Reference: Gabriel Voicu (1999) Geology, Geochemistry and Metallogeny of the Omai Gold Deposit, Guiana Shield, South America. PhD Thesis University of Quebec Chicoutimi.
Böhmite
Formula: AlO(OH)
Reference: http://www.engineeringnews.co.za/article/omai-bauxite-mine-2006-10-27
Bracewellite (TL)
Formula: CrO(OH)
Type Locality:
Description: River gravels.
Reference: Geol.Soc.Amer.,Progr.Ann. Meeting (1967) p. 151; MINERALOGICAL MAGAZINE, DECEMBER 1984, VOL. 48, PP. 560 2
Brannerite
Formula: UTi2O6
Reference: Alexandre, P. (2010): Mineralogy and geochemistry of the sodium metasomatism-related uranium occurrence of Aricheng South, Guyana. Mineralium Deposita 45, 351-367.
Calaverite
Formula: AuTe2
Calcite
Formula: CaCO3
Chalcopyrite
Formula: CuFeS2
'Chlorite Group'
Coffinite
Formula: U(SiO4) · nH2O
Reference: Alexandre, P. (2010): Mineralogy and geochemistry of the sodium metasomatism-related uranium occurrence of Aricheng South, Guyana. Mineralium Deposita 45, 351-367.
Coloradoite
Formula: HgTe
Copper
Formula: Cu
Cordierite
Formula: (Mg,Fe)2Al3(AlSi5O18)
Reference: Singh, S. (1966): Cordierite in the Pre-Cambrian rocks of the South Savannas, British Guiana. Geol. Mag. 103, 36-43.
Corrensite
Formula: (Mg,Fe)9((Si,Al)8O20)(OH)10 · nH2O
Reference: Voicu, G., & Bardoux, M. (2002). Geochemical behavior under tropical weathering of the Barama–Mazaruni greenstone belt at Omai gold mine, Guiana Shield. Applied geochemistry, 17(3), 321-336.
Cummingtonite
Formula: ☐{Mg2}{Mg5}(Si8O22)(OH)2
Reference: AmMin 57:1540
Diamond
Formula: C
Dravite
Formula: Na(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
Reference: Gabriel Voicu (1999) Geology, Geochemistry and Metallogeny of the Omai Gold Deposit, Guiana Shield, South America. PhD Thesis University of Quebec Chicoutimi.
Ephesite
Formula: LiNaAl2(Al2Si2O10)(OH)2
Reference: Voicu, G., & Bardoux, M. (2002). Geochemical behavior under tropical weathering of the Barama–Mazaruni greenstone belt at Omai gold mine, Guiana Shield. Applied geochemistry, 17(3), 321-336.
Epidote
Formula: {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Eskolaite
Formula: Cr2O3
Reference: MINERALOGICAL MAGAZINE, DECEMBER 1984, VOL. 48, PP. 560 2
Euxenite-(Y)
Formula: (Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Reference: USGS Bulletin 2062
'Feldspar Group'
Reference: Voicu, G., & Bardoux, M. (2002). Geochemical behavior under tropical weathering of the Barama–Mazaruni greenstone belt at Omai gold mine, Guiana Shield. Applied geochemistry, 17(3), 321-336.
Gahnite
Formula: ZnAl2O4
Reference: Charles Milton et al. (1967)
Galena
Formula: PbS
Gibbsite
Formula: Al(OH)3
Reference: http://www.engineeringnews.co.za/article/omai-bauxite-mine-2006-10-27
Goethite
Formula: α-Fe3+O(OH)
Gold
Formula: Au
Gorceixite
Formula: BaAl3(PO4)(PO3OH)(OH)6
Reference: Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 833.
Grimaldiite (TL)
Formula: CrO(OH)
Type Locality:
Description: River gravels.
Reference: Geol.Soc.Amer.,Progr.Ann. Meeting (1967) p. 151; MINERALOGICAL MAGAZINE, DECEMBER 1984, VOL. 48, PP. 560 2
Guyanaite (TL)
Formula: CrO(OH)
Description: River gravels.
Reference: Geol.Soc.Amer.,Progr.Ann. Meeting (1967) p. 151; MINERALOGICAL MAGAZINE, DECEMBER 1984, VOL. 48, PP. 560 2
Hematite
Formula: Fe2O3
Hessite
Formula: Ag2Te
'Hornblende'
Reference: AmMin 57:1540
Kaolinite
Formula: Al2(Si2O5)(OH)4
Magnetite
Formula: Fe2+Fe3+2O4
Mcconnellite (TL)
Formula: CuCrO2
Type Locality:
Description: River gravels.
Reference: Geol.Soc.Amer.,Progr.Ann. Meeting (1967) p. 151; MINERALOGICAL MAGAZINE, DECEMBER 1984, VOL. 48, PP. 560 2
Melonite
Formula: NiTe2
'Merumite' (FRL)
Description: Most of the merumite is found in this smaller river than Mreume River (Charles Milton et al., 1967.
Reference: Charles Milton et al. (1967)
'Mica Group'
Reference: www.mineralogicalassociation.ca/doc/abstracts/cm3_Vol37_Jun99.pdf.
Microcline
Formula: K(AlSi3O8)
Molybdenite
Formula: MoS2
'Monazite'
Reference: Gabriel Voicu (1999) Geology, Geochemistry and Metallogeny of the Omai Gold Deposit, Guiana Shield, South America. PhD Thesis University of Quebec Chicoutimi.
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Muscovite var: Sericite
Formula: KAl2(AlSi3O10)(OH)2
Nacrite
Formula: Al2(Si2O5)(OH)4
Reference: Voicu, G., & Bardoux, M. (2002). Geochemical behavior under tropical weathering of the Barama–Mazaruni greenstone belt at Omai gold mine, Guiana Shield. Applied geochemistry, 17(3), 321-336.
Nagyágite ?
Formula: [Pb3(Pb,Sb)3S6](Au,Te)3
Reference: Gabriel Voicu (1999) Geology, Geochemistry and Metallogeny of the Omai Gold Deposit, Guiana Shield, South America. PhD Thesis University of Quebec Chicoutimi.
Petzite
Formula: Ag3AuTe2
Potarite (TL)
Formula: PdHg
Type Locality:
Reference: Bull.Soc.fr.Min.(1926) 49, 5
Pyrite
Formula: FeS2
'Pyrochlore Supergroup'
Formula: A2-mD2X6-wZ1-n
Reference: USGS Bulletin 2062
'Pyrochlore Supergroup var: Betafite (of Hogarth 1977)'
Formula: A2-mD2X6-wZ1+w
Reference: USGS Bulletin 2062
Pyrophyllite
Formula: Al2Si4O10(OH)2
Reference: Charles Milton et al. (1967)
Pyrrhotite
Formula: Fe7S8
Quartz
Formula: SiO2
Localities: Reported from at least 6 localities in this region.
Quartz var: Jasper
Reference: Charles Milton et al. (1967)
Quartz var: Milky Quartz
Formula: SiO2
Reference: Gabriel Voicu (1999) Geology, Geochemistry and Metallogeny of the Omai Gold Deposit, Guiana Shield, South America. PhD Thesis University of Quebec Chicoutimi.
Quartz var: Smoky Quartz
Formula: SiO2
Reference: Gabriel Voicu (1999) Geology, Geochemistry and Metallogeny of the Omai Gold Deposit, Guiana Shield, South America. PhD Thesis University of Quebec Chicoutimi.
Rutile
Formula: TiO2
Samarskite-(Y)
Formula: (Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8
Reference: USGS Bulletin 2062
Scheelite
Formula: Ca(WO4)
Siderite
Formula: FeCO3
Reference: http://www.engineeringnews.co.za/article/omai-bauxite-mine-2006-10-27
Silver
Formula: Ag
Reference: Milton, C., Appleman, D. E., Appleman, M. H., Chao, E. C. T., Cuttitta, F., Dinnin, J. I., Dwornik, E. J., Ingram, B. L. and Rose, H. J., Jr. (1976): Merumite, a complex assemblage of chromium minerals from Guyana. U.S. Geol. Surv. Prof. Paper 887, 1-29 + 6 plates.
'Smectite Group'
Formula: A0.3D2-3[T4O10]Z2 · nH2O
Reference: Voicu, G., & Bardoux, M. (2002). Geochemical behavior under tropical weathering of the Barama–Mazaruni greenstone belt at Omai gold mine, Guiana Shield. Applied geochemistry, 17(3), 321-336.
Sphalerite
Formula: ZnS
Sylvanite
Formula: (Au,Ag)2Te4
Reference: Anthony, Bideaux, Bladh, Nichols: "Handbook of Mineralogy", Vol. 1, 1990
Tellurobismuthite
Formula: Bi2Te3
Tetradymite
Formula: Bi2Te2S
Reference: Gabriel Voicu (1999) Geology, Geochemistry and Metallogeny of the Omai Gold Deposit, Guiana Shield, South America. PhD Thesis University of Quebec Chicoutimi.
Thorite
Formula: Th(SiO4)
Reference: USGS Bulletin 2062
Thorite var: Uranothorite
Formula: (Th,U)SiO4
Reference: USGS Bulletin 2062
Titanite
Formula: CaTi(SiO4)O
Topaz
Formula: Al2(SiO4)(F,OH)2
Reference: Charles Milton et al. (1967)
'Tourmaline'
Formula: A(D3)G6(T6O18)(BO3)3X3Z
Uraninite
Formula: UO2
Reference: Alexandre, P. (2010): Mineralogy and geochemistry of the sodium metasomatism-related uranium occurrence of Aricheng South, Guyana. Mineralium Deposita 45, 351-367.
Volynskite
Formula: AgBiTe2
Zircon
Formula: Zr(SiO4)
Reference: Alexandre, P. (2010): Mineralogy and geochemistry of the sodium metasomatism-related uranium occurrence of Aricheng South, Guyana. Mineralium Deposita 45, 351-367.

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Bismuth1.CA.05Bi
Copper1.AA.05Cu
Diamond1.CB.10aC
Gold1.AA.05Au
Potarite (TL)1.AD.25PdHg
Silver1.AA.05Ag
Group 2 - Sulphides and Sulfosalts
Aikinite ?2.HB.05aPbCuBiS3
Altaite2.CD.10PbTe
Calaverite2.EA.10AuTe2
Chalcopyrite2.CB.10aCuFeS2
Coloradoite2.CB.05aHgTe
Galena2.CD.10PbS
Hessite2.BA.60Ag2Te
Melonite2.EA.20NiTe2
Molybdenite2.EA.30MoS2
Nagyágite ?2.HB.20a[Pb3(Pb,Sb)3S6](Au,Te)3
Petzite2.BA.75Ag3AuTe2
Pyrite2.EB.05aFeS2
Pyrrhotite2.CC.10Fe7S8
Sphalerite2.CB.05aZnS
Sylvanite2.EA.05(Au,Ag)2Te4
Tellurobismuthite2.DC.05Bi2Te3
Tetradymite2.DC.05Bi2Te2S
Volynskite2.JA.20AgBiTe2
Group 4 - Oxides and Hydroxides
Anatase4.DD.05TiO2
Bracewellite (TL)4.FD.10CrO(OH)
Brannerite4.DH.05UTi2O6
Böhmite4.FE.15AlO(OH)
Eskolaite4.CB.05Cr2O3
Euxenite-(Y)4.DG.05(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Gahnite4.BB.05ZnAl2O4
Gibbsite4.FE.10Al(OH)3
Goethite4.00.α-Fe3+O(OH)
Grimaldiite (TL)4.FE.20CrO(OH)
Guyanaite (TL)4.FD.10CrO(OH)
Hematite4.CB.05Fe2O3
Magnetite4.BB.05Fe2+Fe3+2O4
Mcconnellite (TL)4.AB.15CuCrO2
Quartz4.DA.05SiO2
var: Jasper4.DA.05SiO2
var: Milky Quartz4.DA.05SiO2
var: Smoky Quartz4.DA.05SiO2
Rutile4.DB.05TiO2
Samarskite-(Y)4.DB.25(Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8
Uraninite4.DL.05UO2
Group 5 - Nitrates and Carbonates
Ankerite5.AB.10Ca(Fe2+,Mg)(CO3)2
Calcite5.AB.05CaCO3
Siderite5.AB.05FeCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Scheelite7.GA.05Ca(WO4)
Group 8 - Phosphates, Arsenates and Vanadates
Gorceixite8.BL.10BaAl3(PO4)(PO3OH)(OH)6
Group 9 - Silicates
Actinolite9.DE.10☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Aegirine9.DA.25NaFe3+Si2O6
Aegirine-augite9.DA.20(NaaCabFe2+cMgd)(Fe3+eAlfFe2+gMgh)Si2O6
Albite9.FA.35Na(AlSi3O8)
var: Oligoclase9.FA.35(Na,Ca)[Al(Si,Al)Si2O8]
Arfvedsonite9.DE.25[Na][Na2][Fe2+4Fe3+]Si8O22(OH)2
Coffinite9.AD.30U(SiO4) · nH2O
Cordierite9.CJ.10(Mg,Fe)2Al3(AlSi5O18)
Corrensite9.EC.60(Mg,Fe)9((Si,Al)8O20)(OH)10 · nH2O
Cummingtonite9.DE.05☐{Mg2}{Mg5}(Si8O22)(OH)2
Dravite9.CK.05Na(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
Ephesite9.EC.20LiNaAl2(Al2Si2O10)(OH)2
Epidote9.BG.05a{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Kaolinite9.ED.05Al2(Si2O5)(OH)4
Microcline9.FA.30K(AlSi3O8)
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
var: Sericite9.EC.15KAl2(AlSi3O10)(OH)2
Nacrite9.ED.05Al2(Si2O5)(OH)4
Pyrophyllite9.EC.10Al2Si4O10(OH)2
Thorite9.AD.30Th(SiO4)
var: Uranothorite9.AD.30(Th,U)SiO4
Titanite9.AG.15CaTi(SiO4)O
Topaz9.AF.35Al2(SiO4)(F,OH)2
Zircon9.AD.30Zr(SiO4)
Unclassified Minerals, Rocks, etc.
'Allanite Group'-{A12+REE3+}{M3+2M32+}(Si2O7)(SiO4)O(OH)
'Amblygonite-Montebrasite Series'-
'Apatite'-
'Biotite'-
'Chlorite Group'-
'Feldspar Group'-
'Hornblende'-
'Merumite' (TL)-
'Mica Group'-
'Monazite'-
'Pyrochlore Supergroup'-A2-mD2X6-wZ1-n
'var: Betafite (of Hogarth 1977)'-A2-mD2X6-wZ1+w
'Smectite Group'-A0.3D2-3[T4O10]Z2 · nH2O
'Tourmaline'-A(D3)G6(T6O18)(BO3)3X3Z

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
Silver1.1.1.2Ag
Platinum Group Metals and Alloys
Potarite (TL)1.2.4.4PdHg
Semi-metals and non-metals
Bismuth1.3.1.4Bi
Diamond1.3.6.1C
Group 2 - SULFIDES
AmBnXp, with (m+n):p = 2:1
Hessite2.4.2.1Ag2Te
Petzite2.4.3.3Ag3AuTe2
AmXp, with m:p = 1:1
Altaite2.8.1.3PbTe
Coloradoite2.8.2.5HgTe
Galena2.8.1.1PbS
Pyrrhotite2.8.10.1Fe7S8
Sphalerite2.8.2.1ZnS
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
AmBnXp, with (m+n):p = 2:3
Nagyágite ?2.11.10.1[Pb3(Pb,Sb)3S6](Au,Te)3
Tellurobismuthite2.11.7.2Bi2Te3
Tetradymite2.11.7.1Bi2Te2S
AmBnXp, with (m+n):p = 1:2
Calaverite2.12.13.2AuTe2
Melonite2.12.14.1NiTe2
Molybdenite2.12.10.1MoS2
Pyrite2.12.1.1FeS2
Sylvanite2.12.13.3(Au,Ag)2Te4
Group 3 - SULFOSALTS
ø = 3
Aikinite ?3.4.5.1PbCuBiS3
ø = 2
Volynskite3.7.1.3AgBiTe2
Group 4 - SIMPLE OXIDES
A2X3
Eskolaite4.3.1.3Cr2O3
Hematite4.3.1.2Fe2O3
AX2
Anatase4.4.4.1TiO2
Rutile4.4.1.1TiO2
Group 5 - OXIDES CONTAINING URANIUM OR THORIUM
AXO2·xH2O
Uraninite5.1.1.1UO2
Group 6 - HYDROXIDES AND OXIDES CONTAINING HYDROXYL
XO(OH)
Bracewellite (TL)6.1.1.5CrO(OH)
Böhmite6.1.2.1AlO(OH)
Goethite6.1.1.2α-Fe3+O(OH)
Grimaldiite (TL)6.1.5.1CrO(OH)
Guyanaite (TL)6.1.2.3CrO(OH)
X(OH)3
Gibbsite6.3.1.1Al(OH)3
Group 7 - MULTIPLE OXIDES
ABX2
Mcconnellite (TL)7.1.1.2CuCrO2
AB2X4
Gahnite7.2.1.4ZnAl2O4
Magnetite7.2.2.3Fe2+Fe3+2O4
Group 8 - MULTIPLE OXIDES CONTAINING NIOBIUM,TANTALUM OR TITANIUM
ABO4
Samarskite-(Y)8.1.11.1(Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8
A2B2O6(O,OH,F)
'Pyrochlore Supergroup
var: Betafite (of Hogarth 1977)'
8.2.3.1A2-mD2X6-wZ1+w
AB2O6
Brannerite8.3.4.1UTi2O6
Euxenite-(Y)8.3.8.2(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Siderite14.1.1.3FeCO3
AB(XO3)2
Ankerite14.2.1.2Ca(Fe2+,Mg)(CO3)2
Group 42 - HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
(AB)2(XO4)Zq·xH2O
Gorceixite42.7.3.2BaAl3(PO4)(PO3OH)(OH)6
Group 48 - ANHYDROUS MOLYBDATES AND TUNGSTATES
AXO4
Scheelite48.1.2.1Ca(WO4)
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in >[6] coordination
Coffinite51.5.2.4U(SiO4) · nH2O
Thorite51.5.2.3Th(SiO4)
Zircon51.5.2.1Zr(SiO4)
Group 52 - NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] coordination only
Topaz52.3.1.1Al2(SiO4)(F,OH)2
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)
Epidote58.2.1a.7{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Group 61 - CYCLOSILICATES Six-Membered Rings
Six-Membered Rings with Al substituted rings
Cordierite61.2.1.1(Mg,Fe)2Al3(AlSi5O18)
Six-Membered Rings with borate groups
Dravite61.3.1.9Na(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Aegirine65.1.3c.2NaFe3+Si2O6
Aegirine-augite65.1.3b.2(NaaCabFe2+cMgd)(Fe3+eAlfFe2+gMgh)Si2O6
Group 66 - INOSILICATES Double-Width,Unbranched Chains,(W=2)
Amphiboles - Mg-Fe-Mn-Li subgroup
Cummingtonite66.1.1.1☐{Mg2}{Mg5}(Si8O22)(OH)2
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Ephesite71.2.2b.16LiNaAl2(Al2Si2O10)(OH)2
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
Pyrophyllite71.2.1.1Al2Si4O10(OH)2
Sheets of 6-membered rings interlayered 1:1, 2:1, and octahedra
Corrensite71.4.2.5(Mg,Fe)9((Si,Al)8O20)(OH)10 · nH2O
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)
Microcline76.1.1.5K(AlSi3O8)
Unclassified Minerals, Mixtures, etc.
Actinolite-☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Albite
var: Oligoclase
-(Na,Ca)[Al(Si,Al)Si2O8]
'Allanite Group'-{A12+REE3+}{M3+2M32+}(Si2O7)(SiO4)O(OH)
'Amblygonite-Montebrasite Series'-
'Apatite'-
Arfvedsonite-[Na][Na2][Fe2+4Fe3+]Si8O22(OH)2
'Biotite'-
'Chlorite Group'-
'Feldspar Group'-
'Hornblende'-
Kaolinite-Al2(Si2O5)(OH)4
'Merumite' (FRL)-
'Mica Group'-
'Monazite'-
Muscovite
var: Sericite
-KAl2(AlSi3O10)(OH)2
Nacrite-Al2(Si2O5)(OH)4
'Pyrochlore Supergroup'-A2-mD2X6-wZ1-n
Quartz
var: Jasper
-SiO2
var: Milky Quartz-SiO2
var: Smoky Quartz-SiO2
'Smectite Group'-A0.3D2-3[T4O10]Z2 · nH2O
Thorite
var: Uranothorite
-(Th,U)SiO4
'Tourmaline'-A(D3)G6(T6O18)(BO3)3X3Z

List of minerals for each chemical element

HHydrogen
H BracewelliteCrO(OH)
H GrimaldiiteCrO(OH)
H GuyanaiteCrO(OH)
H Cummingtonite☐{Mg2}{Mg5}(Si8O22)(OH)2
H Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
H Arfvedsonite[Na][Na2][Fe42+Fe3+]Si8O22(OH)2
H Allanite Group{A12+REE3+}{M23+M32+}(Si2O7)(SiO4)O(OH)
H Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
H GorceixiteBaAl3(PO4)(PO3OH)(OH)6
H Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
H GibbsiteAl(OH)3
H BöhmiteAlO(OH)
H KaoliniteAl2(Si2O5)(OH)4
H Goethiteα-Fe3+O(OH)
H CoffiniteU(SiO4) · nH2O
H DraviteNa(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
H PyrophylliteAl2Si4O10(OH)2
H TopazAl2(SiO4)(F,OH)2
H Corrensite(Mg,Fe)9((Si,Al)8O20)(OH)10 · nH2O
H Smectite GroupA0.3D2-3[T4O10]Z2 · nH2O
H EphesiteLiNaAl2(Al2Si2O10)(OH)2
H NacriteAl2(Si2O5)(OH)4
H MuscoviteKAl2(AlSi3O10)(OH)2
LiLithium
Li EphesiteLiNaAl2(Al2Si2O10)(OH)2
BBoron
B TourmalineA(D3)G6(T6O18)(BO3)3X3Z
B DraviteNa(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
CCarbon
C DiamondC
C AnkeriteCa(Fe2+,Mg)(CO3)2
C CalciteCaCO3
C SideriteFeCO3
OOxygen
O BracewelliteCrO(OH)
O GrimaldiiteCrO(OH)
O GuyanaiteCrO(OH)
O McconnelliteCuCrO2
O EskolaiteCr2O3
O Cummingtonite☐{Mg2}{Mg5}(Si8O22)(OH)2
O Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
O AegirineNaFe3+Si2O6
O AlbiteNa(AlSi3O8)
O Arfvedsonite[Na][Na2][Fe42+Fe3+]Si8O22(OH)2
O Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
O MagnetiteFe2+Fe23+O4
O MicroclineK(AlSi3O8)
O Albite (var: Oligoclase)(Na,Ca)[Al(Si,Al)Si2O8]
O Allanite Group{A12+REE3+}{M23+M32+}(Si2O7)(SiO4)O(OH)
O QuartzSiO2
O Samarskite-(Y)(Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8
O TitaniteCaTi(SiO4)O
O Thorite (var: Uranothorite)(Th,U)SiO4
O Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
O AnkeriteCa(Fe2+,Mg)(CO3)2
O CalciteCaCO3
O Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
O GorceixiteBaAl3(PO4)(PO3OH)(OH)6
O Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
O TourmalineA(D3)G6(T6O18)(BO3)3X3Z
O RutileTiO2
O GibbsiteAl(OH)3
O BöhmiteAlO(OH)
O KaoliniteAl2(Si2O5)(OH)4
O HematiteFe2O3
O SideriteFeCO3
O Goethiteα-Fe3+O(OH)
O AnataseTiO2
O ScheeliteCa(WO4)
O BranneriteUTi2O6
O ZirconZr(SiO4)
O UraniniteUO2
O CoffiniteU(SiO4) · nH2O
O Quartz (var: Smoky Quartz)SiO2
O Quartz (var: Milky Quartz)SiO2
O DraviteNa(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
O PyrophylliteAl2Si4O10(OH)2
O TopazAl2(SiO4)(F,OH)2
O GahniteZnAl2O4
O Corrensite(Mg,Fe)9((Si,Al)8O20)(OH)10 · nH2O
O Smectite GroupA0.3D2-3[T4O10]Z2 · nH2O
O EphesiteLiNaAl2(Al2Si2O10)(OH)2
O NacriteAl2(Si2O5)(OH)4
O ThoriteTh(SiO4)
O MuscoviteKAl2(AlSi3O10)(OH)2
O Cordierite(Mg,Fe)2Al3(AlSi5O18)
FFluorine
F TopazAl2(SiO4)(F,OH)2
NaSodium
Na AegirineNaFe3+Si2O6
Na AlbiteNa(AlSi3O8)
Na Arfvedsonite[Na][Na2][Fe42+Fe3+]Si8O22(OH)2
Na Albite (var: Oligoclase)(Na,Ca)[Al(Si,Al)Si2O8]
Na Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Na DraviteNa(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
Na Corrensite(Mg,Fe)9((Si,Al)8O20)(OH)10 · nH2O
Na EphesiteLiNaAl2(Al2Si2O10)(OH)2
MgMagnesium
Mg Cummingtonite☐{Mg2}{Mg5}(Si8O22)(OH)2
Mg Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Mg Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Mg AnkeriteCa(Fe2+,Mg)(CO3)2
Mg DraviteNa(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
Mg Corrensite(Mg,Fe)9((Si,Al)8O20)(OH)10 · nH2O
Mg Cordierite(Mg,Fe)2Al3(AlSi5O18)
AlAluminium
Al AlbiteNa(AlSi3O8)
Al MicroclineK(AlSi3O8)
Al Albite (var: Oligoclase)(Na,Ca)[Al(Si,Al)Si2O8]
Al Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Al Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Al GorceixiteBaAl3(PO4)(PO3OH)(OH)6
Al Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
Al GibbsiteAl(OH)3
Al BöhmiteAlO(OH)
Al KaoliniteAl2(Si2O5)(OH)4
Al DraviteNa(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
Al PyrophylliteAl2Si4O10(OH)2
Al TopazAl2(SiO4)(F,OH)2
Al GahniteZnAl2O4
Al Corrensite(Mg,Fe)9((Si,Al)8O20)(OH)10 · nH2O
Al EphesiteLiNaAl2(Al2Si2O10)(OH)2
Al NacriteAl2(Si2O5)(OH)4
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al Cordierite(Mg,Fe)2Al3(AlSi5O18)
SiSilicon
Si Cummingtonite☐{Mg2}{Mg5}(Si8O22)(OH)2
Si Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Si AegirineNaFe3+Si2O6
Si AlbiteNa(AlSi3O8)
Si Arfvedsonite[Na][Na2][Fe42+Fe3+]Si8O22(OH)2
Si MicroclineK(AlSi3O8)
Si Albite (var: Oligoclase)(Na,Ca)[Al(Si,Al)Si2O8]
Si Allanite Group{A12+REE3+}{M23+M32+}(Si2O7)(SiO4)O(OH)
Si QuartzSiO2
Si TitaniteCaTi(SiO4)O
Si Thorite (var: Uranothorite)(Th,U)SiO4
Si Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Si Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Si Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
Si KaoliniteAl2(Si2O5)(OH)4
Si ZirconZr(SiO4)
Si CoffiniteU(SiO4) · nH2O
Si Quartz (var: Smoky Quartz)SiO2
Si Quartz (var: Milky Quartz)SiO2
Si DraviteNa(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
Si PyrophylliteAl2Si4O10(OH)2
Si TopazAl2(SiO4)(F,OH)2
Si Corrensite(Mg,Fe)9((Si,Al)8O20)(OH)10 · nH2O
Si EphesiteLiNaAl2(Al2Si2O10)(OH)2
Si NacriteAl2(Si2O5)(OH)4
Si ThoriteTh(SiO4)
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si Cordierite(Mg,Fe)2Al3(AlSi5O18)
PPhosphorus
P GorceixiteBaAl3(PO4)(PO3OH)(OH)6
SSulfur
S MolybdeniteMoS2
S PyriteFeS2
S PyrrhotiteFe7S8
S ChalcopyriteCuFeS2
S GalenaPbS
S SphaleriteZnS
S TetradymiteBi2Te2S
S AikinitePbCuBiS3
S Nagyágite[Pb3(Pb,Sb)3S6](Au,Te)3
KPotassium
K MicroclineK(AlSi3O8)
K Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
K Corrensite(Mg,Fe)9((Si,Al)8O20)(OH)10 · nH2O
K MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Ca Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Ca Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Ca Albite (var: Oligoclase)(Na,Ca)[Al(Si,Al)Si2O8]
Ca Samarskite-(Y)(Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8
Ca TitaniteCaTi(SiO4)O
Ca Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Ca AnkeriteCa(Fe2+,Mg)(CO3)2
Ca CalciteCaCO3
Ca Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Ca ScheeliteCa(WO4)
Ca Corrensite(Mg,Fe)9((Si,Al)8O20)(OH)10 · nH2O
TiTitanium
Ti Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Ti TitaniteCaTi(SiO4)O
Ti RutileTiO2
Ti AnataseTiO2
Ti BranneriteUTi2O6
CrChromium
Cr BracewelliteCrO(OH)
Cr GrimaldiiteCrO(OH)
Cr GuyanaiteCrO(OH)
Cr McconnelliteCuCrO2
Cr EskolaiteCr2O3
FeIron
Fe Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Fe AegirineNaFe3+Si2O6
Fe Arfvedsonite[Na][Na2][Fe42+Fe3+]Si8O22(OH)2
Fe MagnetiteFe2+Fe23+O4
Fe Samarskite-(Y)(Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8
Fe Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Fe AnkeriteCa(Fe2+,Mg)(CO3)2
Fe Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Fe PyriteFeS2
Fe PyrrhotiteFe7S8
Fe HematiteFe2O3
Fe SideriteFeCO3
Fe Goethiteα-Fe3+O(OH)
Fe ChalcopyriteCuFeS2
Fe Corrensite(Mg,Fe)9((Si,Al)8O20)(OH)10 · nH2O
Fe Cordierite(Mg,Fe)2Al3(AlSi5O18)
NiNickel
Ni MeloniteNiTe2
CuCopper
Cu McconnelliteCuCrO2
Cu ChalcopyriteCuFeS2
Cu CopperCu
Cu AikinitePbCuBiS3
ZnZinc
Zn SphaleriteZnS
Zn GahniteZnAl2O4
YYttrium
Y Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Y Samarskite-(Y)(Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8
ZrZirconium
Zr ZirconZr(SiO4)
NbNiobium
Nb Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Nb Samarskite-(Y)(Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8
MoMolybdenum
Mo MolybdeniteMoS2
PdPalladium
Pd PotaritePdHg
AgSilver
Ag Sylvanite(Au,Ag)2Te4
Ag PetziteAg3AuTe2
Ag HessiteAg2Te
Ag VolynskiteAgBiTe2
Ag SilverAg
SbAntimony
Sb Nagyágite[Pb3(Pb,Sb)3S6](Au,Te)3
TeTellurium
Te Sylvanite(Au,Ag)2Te4
Te PetziteAg3AuTe2
Te CalaveriteAuTe2
Te HessiteAg2Te
Te TellurobismuthiteBi2Te3
Te AltaitePbTe
Te MeloniteNiTe2
Te ColoradoiteHgTe
Te VolynskiteAgBiTe2
Te TetradymiteBi2Te2S
Te Nagyágite[Pb3(Pb,Sb)3S6](Au,Te)3
BaBarium
Ba GorceixiteBaAl3(PO4)(PO3OH)(OH)6
CeCerium
Ce Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
TaTantalum
Ta Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Ta Samarskite-(Y)(Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8
WTungsten
W ScheeliteCa(WO4)
AuGold
Au GoldAu
Au Sylvanite(Au,Ag)2Te4
Au PetziteAg3AuTe2
Au CalaveriteAuTe2
Au Nagyágite[Pb3(Pb,Sb)3S6](Au,Te)3
HgMercury
Hg PotaritePdHg
Hg ColoradoiteHgTe
PbLead
Pb AltaitePbTe
Pb GalenaPbS
Pb AikinitePbCuBiS3
Pb Nagyágite[Pb3(Pb,Sb)3S6](Au,Te)3
BiBismuth
Bi TellurobismuthiteBi2Te3
Bi VolynskiteAgBiTe2
Bi TetradymiteBi2Te2S
Bi BismuthBi
Bi AikinitePbCuBiS3
ThThorium
Th Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Th Samarskite-(Y)(Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8
Th Thorite (var: Uranothorite)(Th,U)SiO4
Th ThoriteTh(SiO4)
UUranium
U Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
U Samarskite-(Y)(Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8
U Thorite (var: Uranothorite)(Th,U)SiO4
U BranneriteUTi2O6
U UraniniteUO2
U CoffiniteU(SiO4) · nH2O

External Links

http://www.ggmc.gov.gy/ [Guyana Geology & Mines Commission]

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