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Groix island, Morbihan, Brittany, Francei
Regional Level Types
Groix islandIsland
MorbihanDepartment
BrittanyRegion
FranceCountry

This page kindly sponsored by Olivier Mével
Key
Locality type:
Largest Settlements:
PlacePopulation
Groix2,429 (2016)
Name(s) in local language(s):
Ile de Groix, Morbihan, Bretagne, France


Located about ten kilometers off the coast of Lorient, Groix island is the second largest (10 km long, 3 km wide) of the islands of southern Brittany, after Belle-île-en-Mer.

"For the visitor who comes to the island, the discovery of Groix is a source of magic that can not leave one indifferent. Mineralogical treasure born from a geological whim of extreme rarity on the planet, this 3700 acres and 17 villages island offers a great diversity of littoral landscapes, cultivated or wild." (groix.fr).

Groix island represents the emerged part of a 50 km long, 8 to 10 km wide belt oriented NW-SE and is constituted of high-pressure-medium to low-temperature metamorphic rocks or "blueschists".

The island presents itself as a plateau with an average altitude of 40 m in its western half, regularly descending to the South-East to an altitude of about 10 m at the Pointe des Chats. The island, therefore, offers a contrasting landscape between the West - the "Pivisy" - characterized by high cliffs (Pen Men) with deeply embedded valleys, and the East - the "Primiture" - showing low cliffs, beaches and a large rocky flat (Pointe des Chats, Locmaria harbour). A vertical line between Stanvrec and Pointe de l'Enfer approximately separating these two island parts.

The metamorphic fields of the island consist essentially of mica schists and quartz-mica albitic gneiss of clear color containing more or less continuous amphibolite levels recognizable by their darker tint. (Audren, C. et al. (1993) Notice explicative de la feuille île de Groix à 1/25000, B.R.G.M., Editions du Service géologique national.)

Groix island is also called "the garnet island" (l'île aux grenats).

Since 23rd December 1982 and under the supervision of the Ministry of Environment the natural reserve François Le Bail was created in order to
preserve the geological and mineralogical interest of the island as well as the fauna and flora. This reserve extends all along the coast between the Pointe des Chats and Locqueltas to the southeast on the one hand and between the parallel of the Pen Men lighthouse and the Beg-Melen semaphore in the North-West on the other hand.

Regions containing this locality

Eurasian PlateTectonic Plate

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Standard Detailed Strunz Dana Chemical Elements

Mineral List

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

70 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

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Alphabetical List Tree Diagram

Detailed Mineral List:

Actinolite
Formula: ☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Reference: Lukas, Yann (1978) Roches et minéraux de Bretagne. Editions Ouest-France, 33 pp. [p. 30.]
Albite
Formula: Na(AlSi3O8)
Localities: Reported from at least 17 localities in this region.
Almandine
Formula: Fe2+3Al2(SiO4)3
Localities: Reported from at least 8 localities in this region.
'Amphibole Supergroup'
Formula: AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Localities: Reported from at least 13 localities in this region.
Anatase
Formula: TiO2
Andalusite
Formula: Al2(SiO4)O
Anglesite
Formula: PbSO4
Reference: Chauris, L. (2014): Minéraux de Bretagne, Les Editions du Piat, 159.
Antigorite
Formula: Mg3(Si2O5)(OH)4
Reference: Chauris, L. (2014): Minéraux de Bretagne, Les Editions du Piat, 295.
'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
'Aphrosiderite'
Formula: (Fe,Mg,Al)6(Si,Al)4O10(OH)8
Reference: Chauris, L. (2014): Minéraux de Bretagne, Les Editions du Piat, 294.
Arsenopyrite
Formula: FeAsS
Reference: Chauris, L. (2014): Minéraux de Bretagne, Les Editions du Piat, 74.
Barroisite
Formula: ☐{CaNa}{Mg3Al2}(AlSi7O22)(OH)2
Beidellite
Formula: (Na,Ca0.5)0.3Al2((Si,Al)4O10)(OH)2 · nH2O
Reference: Chauris, L. (2014): Minéraux de Bretagne, Les Editions du Piat, 292.
'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Reference: Audren, C., Triboulet, C., Chauris, L., Lefort, J.P., Vigneresse J.L., Audrain, J., Thiéblemont, D., Goyallon, J., Jégouzo, P., Guennoc, P., Augris, C., Carn, A. (1993) Notice explicative de la feuille île de Groix à 1/25000, B.R.G.M., Editions du Service géologique national, p.11.
Bornite
Formula: Cu5FeS4
Reference: Belot, Victor R. (1978) Guide des minéraux, coquillages et fossiles: où les trouver en France, comment les reconnaître et les collectionner (Guides Horay). Pierre Horay (Ed.), 224 pp.; Chauris, L. (2014) Minéraux de Bretagne. Les Editions du Piat, 61.
Calcite
Formula: CaCO3
Chalcopyrite
Formula: CuFeS2
'Chlorite Group'
Localities: Reported from at least 14 localities in this region.
Reference: Lukas, Yann (1978) Roches et minéraux de Bretagne. Editions Ouest-France, 33 pp. [p. 30.]
Chloritoid
Formula: (Fe2+,Mg,Mn2+)Al2(SiO4)O(OH)2
Localities: Reported from at least 14 localities in this region.
Chrysotile
Formula: Mg3(Si2O5)(OH)4
Reference: Chauris, L. (2014): Minéraux de Bretagne, Les Editions du Piat, 295.
Clinochlore
Formula: Mg5Al(AlSi3O10)(OH)8
Clinochlore var: Pennine
Formula: Mg5Al(AlSi3O10)(OH)8
Reference: Belot, Victor R. (1978) Guide des minéraux, coquillages et fossiles: où les trouver en France, comment les reconnaître et les collectionner (Guides Horay). Pierre Horay (Ed.), 224 pp.
Clinochlore var: Ripidolite
Formula: (Mg,Fe,Al)6(Si,Al)4O10(OH)8
Reference: Chauris, L. (2014): Minéraux de Bretagne, Les Editions du Piat, 293.
Clinochlore var: Sheridanite
Formula: (Mg,Al,Fe)6(Si,Al)4O10(OH)8
Reference: Chauris, L. (2014): Minéraux de Bretagne, Les Editions du Piat, 294.
Clinozoisite
Formula: {Ca2}{Al3}(Si2O7)(SiO4)O(OH)
Reference: Chauris, L. (2014): Minéraux de Bretagne, Les Editions du Piat, 98.
Coquimbite
Formula: Fe2-xAlx(SO4)3 · 9H2O, x ~0.5
Reference: Chauris, L. (2014): Minéraux de Bretagne, Les Editions du Piat, 162.
Corundum
Formula: Al2O3
Cosalite
Formula: Pb2Bi2S5
Reference: Chauris, L. (2014): Minéraux de Bretagne, Les Editions du Piat, 74.
Covellite
Formula: CuS
Reference: Audren, C., Triboulet, C., Chauris, L., Lefort, J.P., Vigneresse J.L., Audrain, J., Thiéblemont, D., Goyallon, J., Jégouzo, P., Guennoc, P., Augris, C., Carn, A. (1993) Notice explicative de la feuille île de Groix à 1/25000, B.R.G.M., Editions du Service géologique national, p. 91.
Crichtonite
Formula: Sr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38
Reference: "Les minéraux, leurs gisements, leurs associations", P. Bariand, F. Cesbron et J. Geffroy (1977), Editions Minéraux et Fossiles, BRGM
'Crossite'
Reference: Chauris, L. (2014): Minéraux de Bretagne, Les Editions du Piat, 277.
Deerite
Formula: (Fe,Mn)6(Fe,Al)3[Si6O17]O3(OH)5
Reference: Chauris, L. (2014): Minéraux de Bretagne, Les Editions du Piat, 275. Audren, C., Triboulet, C., Chauris, L., Lefort, J.P., Vigneresse J.L., Audrain, J., Thiéblemont, D., Goyallon, J., Jégouzo, P., Guennoc, P., Augris, C., Carn, A. (1993) Notice explicative de la feuille île de Groix à 1/25000, B.R.G.M., Editions du Service géologique national, p. 17.
Dolomite
Formula: CaMg(CO3)2
Epidote
Formula: {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Localities: Reported from at least 16 localities in this region.
Ferro-glaucophane
Formula: ◻[Na2][Fe2+3Al2]Si8O22(OH)2
Forsterite
Formula: Mg2SiO4
Reference: Chauris L. (1982), Les sables lourds des plages du Mor Bras – Introduction à l’étude des placers littoraux en Bretagne Méridionale, Bull. Soc. Sc.nat.Ouest de la France, nouvelle série, tome 4, (1), p. 37.
Forsterite var: Peridot
Formula: Mg2SiO4
Reference: Chauris L. (1982), Les sables lourds des plages du Mor Bras – Introduction à l’étude des placers littoraux en Bretagne Méridionale, Bull. Soc. Sc.nat.Ouest de la France, nouvelle série, tome 4, (1), p. 37.
Galena
Formula: PbS
Reference: Chauris, L. (2014): Minéraux de Bretagne, Les Editions du Piat, 74.
'Garnet Group'
Formula: X3Z2(SiO4)3
Localities: Reported from at least 19 localities in this region.
Glaucophane
Formula: ◻[Na2][Mg3Al2]Si8O22(OH)2
Localities: Reported from at least 26 localities in this region.
Description: Deep blue crystals.
Reference: Lukas, Yann (1978) Roches et minéraux de Bretagne. Editions Ouest-France, 33 pp. [p. 30.]
Goethite
Formula: α-Fe3+O(OH)
Gold
Formula: Au
Reference: Audren, C., Triboulet, C., Chauris, L., Lefort, J.P., Vigneresse J.L., Audrain, J., Thiéblemont, D., Goyallon, J., Jégouzo, P., Guennoc, P., Augris, C., Carn, A. (1993) Notice explicative de la feuille île de Groix à 1/25000, B.R.G.M., Editions du Service géologique national, p. 91.
Graphite
Formula: C
Greenalite
Formula: (Fe2+,Fe3+)2-3Si2O5(OH)4
Reference: Chauris, L. (2014): Minéraux de Bretagne, Les Editions du Piat, 295.
Grossular
Formula: Ca3Al2(SiO4)3
Reference: Chauris, L. (2014): Minéraux de Bretagne, Les Editions du Piat, 210.
Grunerite
Formula: ☐{Fe2+2}{Fe2+5}(Si8O22)(OH)2
Reference: Chauris, L. (2014): Minéraux de Bretagne, Les Editions du Piat, 275.
Hectorite
Formula: Na0.3(Mg,Li)3(Si4O10)(F,OH)2
Reference: Chauris, L. (2014): Minéraux de Bretagne, Les Editions du Piat, 292.
Hematite
Formula: Fe2O3
Localities: Reported from at least 10 localities in this region.
'Hornblende'
Reference: Belot, Victor R. (1978) Guide des minéraux, coquillages et fossiles: où les trouver en France, comment les reconnaître et les collectionner (Guides Horay). Pierre Horay (Ed.), 224 pp.
Ilmenite
Formula: Fe2+TiO3
Localities: Reported from at least 11 localities in this region.
Jacobsite
Formula: Mn2+Fe3+2O4
Reference: Chauris, L. (2014): Minéraux de Bretagne, Les Editions du Piat, 203.
Jadeite
Formula: Na(Al,Fe3+)Si2O6
Jarosite
Formula: KFe3+ 3(SO4)2(OH)6
Reference: Chauris, L. (2014): Minéraux de Bretagne, Les Editions du Piat, 162.
Kyanite
Formula: Al2(SiO4)O
Lawsonite
Formula: CaAl2(Si2O7)(OH)2 · H2O
Localities: Reported from at least 7 localities in this region.
'Lepidomelane'
Reference: Chauris, L. (2014): Minéraux de Bretagne, Les Editions du Piat, 280.
'Limonite'
Formula: (Fe,O,OH,H2O)
Localities: Reported from at least 6 localities in this region.
Magnetite
Formula: Fe2+Fe3+2O4
Localities: Reported from at least 10 localities in this region.
Reference: Jacques Malassé collection
Malachite
Formula: Cu2(CO3)(OH)2
Manganite
Formula: Mn3+O(OH)
Reference: Lacroix, A. (1910): Minéralogie de la France et de ses colonies, Librairie Polytechnique, Ch. Béranger Editeur, Tome III, 354-355.
'Mariposite'
Formula: K(Al,Cr)2(Al,Si)4O10(OH)2
Reference: Chauris, L. (2014): Minéraux de Bretagne, Les Editions du Piat, 283.
'Mica Group'
'Monazite'
Reference: Chauris L. (1982), Les sables lourds des plages du Mor Bras – Introduction à l’étude des placers littoraux en Bretagne Méridionale, Bull. Soc. Sc.nat.Ouest de la France, nouvelle série, tome 4, (1), p. 37.
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Localities: Reported from at least 6 localities in this region.
Muscovite var: Fuchsite
Formula: K(Al,Cr)3Si3O10(OH)2
Reference: Chauris, L. (2014): Minéraux de Bretagne, Les Editions du Piat, 283.
Muscovite var: Phengite
Formula: KAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
Omphacite
Formula: (NaaCabFe2+cMgd)(AleFe3+fFe2+gMgh)Si2O6
Paragonite
Formula: NaAl2(AlSi3O10)(OH)2
Reference: Chauris, L. (2014): Minéraux de Bretagne, Les Editions du Piat, 285.
Piemontite
Formula: {Ca2}{Al2Mn3+}(Si2O7)(SiO4)O(OH)
Reference: Chauris, L. (2014): Minéraux de Bretagne, Les Editions du Piat, 203.
'Psilomelane'
Formula: Mn, O
Pyrite
Formula: FeS2
Localities: Reported from at least 7 localities in this region.
Pyrolusite
Formula: Mn4+O2
Pyroxmangite
Formula: MnSiO3
Reference: Chauris, L. (2014): Minéraux de Bretagne, Les Editions du Piat, 203.
Pyrrhotite
Formula: Fe7S8
Reference: Audren, C., Triboulet, C., Chauris, L., Lefort, J.P., Vigneresse J.L., Audrain, J., Thiéblemont, D., Goyallon, J., Jégouzo, P., Guennoc, P., Augris, C., Carn, A. (1993) Notice explicative de la feuille île de Groix à 1/25000, B.R.G.M., Editions du Service géologique national, p. 88.
Quartz
Formula: SiO2
Localities: Reported from at least 15 localities in this region.
Rutile
Formula: TiO2
Localities: Reported from at least 13 localities in this region.
Saponite
Formula: Ca0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Reference: Chauris, L. (2014): Minéraux de Bretagne, Les Editions du Piat, 292.
Scorodite
Formula: Fe3+AsO4 · 2H2O
Reference: Chauris, L. (2014): Minéraux de Bretagne, Les Editions du Piat, 172.
'Serpentine Subgroup'
Formula: D3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
Siderite
Formula: FeCO3
Sillimanite
Formula: Al2(SiO4)O
Smythite
Formula: (Fe,Ni)3+xS4 (x=0-0.3)
Reference: Chauris, L. (2014): Minéraux de Bretagne, Les Editions du Piat, 60.
Spessartine
Formula: Mn2+3Al2(SiO4)3
Spinel
Formula: MgAl2O4
Reference: Chauris L. (1982), Les sables lourds des plages du Mor Bras – Introduction à l’étude des placers littoraux en Bretagne Méridionale, Bull. Soc. Sc.nat.Ouest de la France, nouvelle série, tome 4, (1), p. 37.
Staurolite
Formula: Fe2+2Al9Si4O23(OH)
Stilpnomelane
Formula: (K,Ca,Na)(Fe2+,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O
Reference: Chauris, L. (2014): Minéraux de Bretagne, Les Editions du Piat, 292.
Talc
Formula: Mg3Si4O10(OH)2
Reference: Chauris, L. (2014): Minéraux de Bretagne, Les Editions du Piat, 295.
Tephroite
Formula: Mn2+2SiO4
Reference: Chauris, L. (2014): Minéraux de Bretagne, Les Editions du Piat, 203.
Titanite
Formula: CaTi(SiO4)O
Localities: Reported from at least 9 localities in this region.
'Tourmaline'
Formula: A(D3)G6(Si6O18)(BO3)3X3Z
Localities: Reported from at least 7 localities in this region.
Vermiculite
Formula: Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
Reference: Chauris, L. (2014): Minéraux de Bretagne, Les Editions du Piat, 292.
Zircon
Formula: Zr(SiO4)

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Gold1.AA.05Au
Graphite1.CB.05aC
Group 2 - Sulphides and Sulfosalts
Arsenopyrite2.EB.20FeAsS
Bornite2.BA.15Cu5FeS4
Chalcopyrite2.CB.10aCuFeS2
Cosalite2.JB.10Pb2Bi2S5
Covellite2.CA.05aCuS
Galena2.CD.10PbS
Pyrite2.EB.05aFeS2
Pyrrhotite2.CC.10Fe7S8
Smythite2.CC.10(Fe,Ni)3+xS4 (x=0-0.3)
Group 4 - Oxides and Hydroxides
Anatase4.DD.05TiO2
Corundum4.CB.05Al2O3
Crichtonite4.CC.40Sr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38
Goethite4.00.α-Fe3+O(OH)
Hematite4.CB.05Fe2O3
Ilmenite4.CB.05Fe2+TiO3
Jacobsite4.BB.05Mn2+Fe3+2O4
Magnetite4.BB.05Fe2+Fe3+2O4
Manganite4.FD.15Mn3+O(OH)
Pyrolusite4.DB.05Mn4+O2
Quartz4.DA.05SiO2
Rutile4.DB.05TiO2
Spinel4.BB.05MgAl2O4
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Dolomite5.AB.10CaMg(CO3)2
Malachite5.BA.10Cu2(CO3)(OH)2
Siderite5.AB.05FeCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Anglesite7.AD.35PbSO4
Coquimbite7.CB.55Fe2-xAlx(SO4)3 · 9H2O, x ~0.5
Jarosite7.BC.10KFe3+ 3(SO4)2(OH)6
Group 8 - Phosphates, Arsenates and Vanadates
Scorodite8.CD.10Fe3+AsO4 · 2H2O
Group 9 - Silicates
Actinolite9.DE.10☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Albite9.FA.35Na(AlSi3O8)
Almandine9.AD.25Fe2+3Al2(SiO4)3
Andalusite9.AF.10Al2(SiO4)O
Antigorite9.ED.15Mg3(Si2O5)(OH)4
Barroisite9.DE.20☐{CaNa}{Mg3Al2}(AlSi7O22)(OH)2
Beidellite9.EC.40(Na,Ca0.5)0.3Al2((Si,Al)4O10)(OH)2 · nH2O
Chloritoid9.AF.85(Fe2+,Mg,Mn2+)Al2(SiO4)O(OH)2
Chrysotile9.ED.15Mg3(Si2O5)(OH)4
Clinochlore9.EC.55Mg5Al(AlSi3O10)(OH)8
var: Pennine9.EC.55Mg5Al(AlSi3O10)(OH)8
var: Ripidolite9.EC.55(Mg,Fe,Al)6(Si,Al)4O10(OH)8
var: Sheridanite9.EC.55(Mg,Al,Fe)6(Si,Al)4O10(OH)8
Clinozoisite9.BG.05a{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
Deerite9.DH.60(Fe,Mn)6(Fe,Al)3[Si6O17]O3(OH)5
Epidote9.BG.05a{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Ferro-glaucophane9.DE.25◻[Na2][Fe2+3Al2]Si8O22(OH)2
Forsterite9.AC.05Mg2SiO4
var: Peridot9.AC.05Mg2SiO4
Glaucophane9.DE.25◻[Na2][Mg3Al2]Si8O22(OH)2
Greenalite9.ED.15(Fe2+,Fe3+)2-3Si2O5(OH)4
Grossular9.AD.25Ca3Al2(SiO4)3
Grunerite9.DE.05☐{Fe2+2}{Fe2+5}(Si8O22)(OH)2
Hectorite9.EC.45Na0.3(Mg,Li)3(Si4O10)(F,OH)2
Jadeite9.DA.25Na(Al,Fe3+)Si2O6
Kyanite9.AF.15Al2(SiO4)O
Lawsonite9.BE.05CaAl2(Si2O7)(OH)2 · H2O
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
var: Fuchsite9.EC.15K(Al,Cr)3Si3O10(OH)2
var: Phengite9.EC.15KAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
Omphacite9.DA.20(NaaCabFe2+cMgd)(AleFe3+fFe2+gMgh)Si2O6
Paragonite9.EC.15NaAl2(AlSi3O10)(OH)2
Piemontite9.BG.05a{Ca2}{Al2Mn3+}(Si2O7)(SiO4)O(OH)
Pyroxmangite9.DO.05MnSiO3
Saponite9.EC.45Ca0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Sillimanite9.AF.05Al2(SiO4)O
Spessartine9.AD.25Mn2+3Al2(SiO4)3
Staurolite9.AF.30Fe2+2Al9Si4O23(OH)
Stilpnomelane9.EG.40(K,Ca,Na)(Fe2+,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O
Talc9.EC.05Mg3Si4O10(OH)2
Tephroite9.AC.05Mn2+2SiO4
Titanite9.AG.15CaTi(SiO4)O
Vermiculite9.EC.50Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
Zircon9.AD.30Zr(SiO4)
Unclassified Minerals, Rocks, etc.
'Amphibole Supergroup'-AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
'Apatite'-Ca5(PO4)3(Cl/F/OH)
'Aphrosiderite'-(Fe,Mg,Al)6(Si,Al)4O10(OH)8
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
'Chlorite Group'-
'Crossite'-
'Garnet Group'-X3Z2(SiO4)3
'Hornblende'-
'Lepidomelane'-
'Limonite'-(Fe,O,OH,H2O)
'Mariposite'-K(Al,Cr)2(Al,Si)4O10(OH)2
'Mica Group'-
'Monazite'-
'Psilomelane'-Mn, O
'Serpentine Subgroup'-D3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
'Tourmaline'-A(D3)G6(Si6O18)(BO3)3X3Z

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Gold1.1.1.1Au
Semi-metals and non-metals
Graphite1.3.6.2C
Group 2 - SULFIDES
AmBnXp, with (m+n):p = 3:2
Bornite2.5.2.1Cu5FeS4
AmXp, with m:p = 1:1
Covellite2.8.12.1CuS
Galena2.8.1.1PbS
Pyrrhotite2.8.10.1Fe7S8
Smythite2.8.10.2(Fe,Ni)3+xS4 (x=0-0.3)
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
AmBnXp, with (m+n):p = 1:2
Arsenopyrite2.12.4.1FeAsS
Pyrite2.12.1.1FeS2
Group 3 - SULFOSALTS
2.5 < ø < 3
Cosalite3.5.9.1Pb2Bi2S5
Group 4 - SIMPLE OXIDES
A2X3
Corundum4.3.1.1Al2O3
Hematite4.3.1.2Fe2O3
Ilmenite4.3.5.1Fe2+TiO3
AX2
Anatase4.4.4.1TiO2
Pyrolusite4.4.1.4Mn4+O2
Rutile4.4.1.1TiO2
Group 6 - HYDROXIDES AND OXIDES CONTAINING HYDROXYL
XO(OH)
Goethite6.1.1.2α-Fe3+O(OH)
Manganite6.1.3.1Mn3+O(OH)
Group 7 - MULTIPLE OXIDES
AB2X4
Jacobsite7.2.2.2Mn2+Fe3+2O4
Magnetite7.2.2.3Fe2+Fe3+2O4
Spinel7.2.1.1MgAl2O4
Group 8 - MULTIPLE OXIDES CONTAINING NIOBIUM,TANTALUM OR TITANIUM
AB21O38
Crichtonite8.5.1.3Sr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Siderite14.1.1.3FeCO3
AB(XO3)2
Dolomite14.2.1.1CaMg(CO3)2
Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
Malachite16a.3.1.1Cu2(CO3)(OH)2
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Anglesite28.3.1.3PbSO4
Group 29 - HYDRATED ACID AND NORMAL SULFATES
A2(XO4)3·H2O
Coquimbite29.8.3.1Fe2-xAlx(SO4)3 · 9H2O, x ~0.5
Group 30 - ANHYDROUS SULFATES CONTAINING HYDROXYL OR HALOGEN
(AB)2(XO4)Zq
Jarosite30.2.5.1KFe3+ 3(SO4)2(OH)6
Group 40 - HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
(AB)5(XO4)2·xH2O
Scorodite40.4.1.3Fe3+AsO4 · 2H2O
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with all cations in octahedral [6] coordination
Forsterite51.3.1.2Mg2SiO4
Tephroite51.3.1.4Mn2+2SiO4
Insular SiO4 Groups Only with cations in [6] and >[6] coordination
Almandine51.4.3a.2Fe2+3Al2(SiO4)3
Grossular51.4.3b.2Ca3Al2(SiO4)3
Spessartine51.4.3a.3Mn2+3Al2(SiO4)3
Insular SiO4 Groups Only with cations in >[6] coordination
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 [4] and >[4] coordination
Andalusite52.2.2b.1Al2(SiO4)O
Kyanite52.2.2c.1Al2(SiO4)O
Sillimanite52.2.2a.1Al2(SiO4)O
Staurolite52.2.3.1Fe2+2Al9Si4O23(OH)
Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] coordination only
Chloritoid52.3.3.1(Fe2+,Mg,Mn2+)Al2(SiO4)O(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 56 - SOROSILICATES Si2O7 Groups, With Additional O, OH, F and H2O
Si2O7 Groups and O, OH, F, and H2O with cations in [4] and/or >[4] coordination
Lawsonite56.2.3.1CaAl2(Si2O7)(OH)2 · H2O
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)
Clinozoisite58.2.1a.4{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
Epidote58.2.1a.7{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Piemontite58.2.1a.11{Ca2}{Al2Mn3+}(Si2O7)(SiO4)O(OH)
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Jadeite65.1.3c.1Na(Al,Fe3+)Si2O6
Omphacite65.1.3b.1(NaaCabFe2+cMgd)(AleFe3+fFe2+gMgh)Si2O6
Single-Width Unbranched Chains, W=1 with chains P=7
Pyroxmangite65.6.1.1MnSiO3
Group 66 - INOSILICATES Double-Width,Unbranched Chains,(W=2)
Amphiboles - Mg-Fe-Mn-Li subgroup
Glaucophane66.1.3c.1◻[Na2][Mg3Al2]Si8O22(OH)2
Group 69 - INOSILICATES Chains with Side Branches or Loops
Chains with Side Branches or Loops with P>2
Deerite69.2.3.3(Fe,Mn)6(Fe,Al)3[Si6O17]O3(OH)5
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 1:1 layers
Antigorite71.1.2a.1Mg3(Si2O5)(OH)4
Chrysotile71.1.5.1Mg3(Si2O5)(OH)4
Greenalite71.1.2b.4(Fe2+,Fe3+)2-3Si2O5(OH)4
Sheets of 6-membered rings with 2:1 layers
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
Paragonite71.2.2a.2NaAl2(AlSi3O10)(OH)2
Talc71.2.1.3Mg3Si4O10(OH)2
Vermiculite71.2.2d.3Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
Sheets of 6-membered rings with 2:1 clays
Beidellite71.3.1a.1(Na,Ca0.5)0.3Al2((Si,Al)4O10)(OH)2 · nH2O
Hectorite71.3.1b.4Na0.3(Mg,Li)3(Si4O10)(F,OH)2
Saponite71.3.1b.2Ca0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Sheets of 6-membered rings interlayered 1:1, 2:1, and octahedra
Clinochlore71.4.1.4Mg5Al(AlSi3O10)(OH)8
Group 74 - PHYLLOSILICATES Modulated Layers
Modulated Layers with joined islands
Stilpnomelane74.1.1.1(K,Ca,Na)(Fe2+,Mg,Al)8(Si,Al)12(O,OH)36 · 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)
Unclassified Minerals, Mixtures, etc.
Actinolite-☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
'Amphibole Supergroup'-AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
'Apatite'-Ca5(PO4)3(Cl/F/OH)
'Aphrosiderite'-(Fe,Mg,Al)6(Si,Al)4O10(OH)8
Barroisite-☐{CaNa}{Mg3Al2}(AlSi7O22)(OH)2
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
'Chlorite Group'-
Clinochlore
var: Pennine
-Mg5Al(AlSi3O10)(OH)8
var: Ripidolite-(Mg,Fe,Al)6(Si,Al)4O10(OH)8
var: Sheridanite-(Mg,Al,Fe)6(Si,Al)4O10(OH)8
'Crossite'-
Ferro-glaucophane-◻[Na2][Fe2+3Al2]Si8O22(OH)2
Forsterite
var: Peridot
-Mg2SiO4
'Garnet Group'-X3Z2(SiO4)3
Grunerite-☐{Fe2+2}{Fe2+5}(Si8O22)(OH)2
'Hornblende'-
'Lepidomelane'-
'Limonite'-(Fe,O,OH,H2O)
'Mariposite'-K(Al,Cr)2(Al,Si)4O10(OH)2
'Mica Group'-
'Monazite'-
Muscovite
var: Fuchsite
-K(Al,Cr)3Si3O10(OH)2
var: Phengite-KAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
'Psilomelane'-Mn, O
'Serpentine Subgroup'-D3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
'Tourmaline'-A(D3)G6(Si6O18)(BO3)3X3Z

List of minerals for each chemical element

HHydrogen
H Chloritoid(Fe2+,Mg,Mn2+)Al2(SiO4)O(OH)2
H Muscovite (var: Phengite)KAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
H Glaucophane◻[Na2][Mg3Al2]Si8O22(OH)2
H Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
H Barroisite☐{CaNa}{Mg3Al2}(AlSi7O22)(OH)2
H Ferro-glaucophane◻[Na2][Fe32+Al2]Si8O22(OH)2
H CrichtoniteSr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38
H Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
H Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
H Limonite(Fe,O,OH,H2O)
H ApatiteCa5(PO4)3(Cl/F/OH)
H StauroliteFe22+Al9Si4O23(OH)
H Clinochlore (var: Pennine)Mg5Al(AlSi3O10)(OH)8
H LawsoniteCaAl2(Si2O7)(OH)2 · H2O
H ClinochloreMg5Al(AlSi3O10)(OH)8
H MuscoviteKAl2(AlSi3O10)(OH)2
H MalachiteCu2(CO3)(OH)2
H Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
H JarositeKFe3+ 3(SO4)2(OH)6
H CoquimbiteFe2-xAlx(SO4)3 · 9H2O, x ~0.5
H Goethiteα-Fe3+O(OH)
H ManganiteMn3+O(OH)
H ScoroditeFe3+AsO4 · 2H2O
H Piemontite{Ca2}{Al2Mn3+}(Si2O7)(SiO4)O(OH)
H Clinozoisite{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
H Deerite(Fe,Mn)6(Fe,Al)3[Si6O17]O3(OH)5
H Grunerite☐{Fe22+}{Fe52+}(Si8O22)(OH)2
H Muscovite (var: Fuchsite)K(Al,Cr)3Si3O10(OH)2
H MaripositeK(Al,Cr)2(Al,Si)4O10(OH)2
H ParagoniteNaAl2(AlSi3O10)(OH)2
H HectoriteNa0.3(Mg,Li)3(Si4O10)(F,OH)2
H Beidellite(Na,Ca0.5)0.3Al2((Si,Al)4O10)(OH)2 · nH2O
H SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
H VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
H Stilpnomelane(K,Ca,Na)(Fe2+,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O
H Clinochlore (var: Ripidolite)(Mg,Fe,Al)6(Si,Al)4O10(OH)8
H Aphrosiderite(Fe,Mg,Al)6(Si,Al)4O10(OH)8
H Clinochlore (var: Sheridanite)(Mg,Al,Fe)6(Si,Al)4O10(OH)8
H AntigoriteMg3(Si2O5)(OH)4
H TalcMg3Si4O10(OH)2
H Greenalite(Fe2+,Fe3+)2-3Si2O5(OH)4
H ChrysotileMg3(Si2O5)(OH)4
H BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
LiLithium
Li HectoriteNa0.3(Mg,Li)3(Si4O10)(F,OH)2
BBoron
B TourmalineA(D3)G6(Si6O18)(BO3)3X3Z
CCarbon
C GraphiteC
C MalachiteCu2(CO3)(OH)2
C SideriteFeCO3
C CalciteCaCO3
C DolomiteCaMg(CO3)2
OOxygen
O Chloritoid(Fe2+,Mg,Mn2+)Al2(SiO4)O(OH)2
O MagnetiteFe2+Fe23+O4
O Muscovite (var: Phengite)KAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
O Glaucophane◻[Na2][Mg3Al2]Si8O22(OH)2
O Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
O Barroisite☐{CaNa}{Mg3Al2}(AlSi7O22)(OH)2
O Ferro-glaucophane◻[Na2][Fe32+Al2]Si8O22(OH)2
O AlbiteNa(AlSi3O8)
O QuartzSiO2
O CrichtoniteSr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38
O Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
O Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
O RutileTiO2
O ZirconZr(SiO4)
O Limonite(Fe,O,OH,H2O)
O IlmeniteFe2+TiO3
O Garnet GroupX3Z2(SiO4)3
O ApatiteCa5(PO4)3(Cl/F/OH)
O StauroliteFe22+Al9Si4O23(OH)
O AndalusiteAl2(SiO4)O
O TitaniteCaTi(SiO4)O
O TourmalineA(D3)G6(Si6O18)(BO3)3X3Z
O CorundumAl2O3
O KyaniteAl2(SiO4)O
O SillimaniteAl2(SiO4)O
O AnataseTiO2
O SpinelMgAl2O4
O HematiteFe2O3
O Forsterite (var: Peridot)Mg2SiO4
O Clinochlore (var: Pennine)Mg5Al(AlSi3O10)(OH)8
O AlmandineFe32+Al2(SiO4)3
O LawsoniteCaAl2(Si2O7)(OH)2 · H2O
O Omphacite(NaaCabFec2+Mgd)(AleFef3+Feg2+Mgh)Si2O6
O ClinochloreMg5Al(AlSi3O10)(OH)8
O MuscoviteKAl2(AlSi3O10)(OH)2
O JadeiteNa(Al,Fe3+)Si2O6
O MalachiteCu2(CO3)(OH)2
O ForsteriteMg2SiO4
O Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
O JarositeKFe3+ 3(SO4)2(OH)6
O AnglesitePbSO4
O CoquimbiteFe2-xAlx(SO4)3 · 9H2O, x ~0.5
O SideriteFeCO3
O PyrolusiteMn4+O2
O Goethiteα-Fe3+O(OH)
O ManganiteMn3+O(OH)
O PsilomelaneMn, O
O CalciteCaCO3
O DolomiteCaMg(CO3)2
O ScoroditeFe3+AsO4 · 2H2O
O TephroiteMn22+SiO4
O PyroxmangiteMnSiO3
O Piemontite{Ca2}{Al2Mn3+}(Si2O7)(SiO4)O(OH)
O SpessartineMn32+Al2(SiO4)3
O JacobsiteMn2+Fe23+O4
O GrossularCa3Al2(SiO4)3
O Clinozoisite{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
O Deerite(Fe,Mn)6(Fe,Al)3[Si6O17]O3(OH)5
O Grunerite☐{Fe22+}{Fe52+}(Si8O22)(OH)2
O Muscovite (var: Fuchsite)K(Al,Cr)3Si3O10(OH)2
O MaripositeK(Al,Cr)2(Al,Si)4O10(OH)2
O ParagoniteNaAl2(AlSi3O10)(OH)2
O HectoriteNa0.3(Mg,Li)3(Si4O10)(F,OH)2
O Beidellite(Na,Ca0.5)0.3Al2((Si,Al)4O10)(OH)2 · nH2O
O SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
O VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
O Stilpnomelane(K,Ca,Na)(Fe2+,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O
O Clinochlore (var: Ripidolite)(Mg,Fe,Al)6(Si,Al)4O10(OH)8
O Aphrosiderite(Fe,Mg,Al)6(Si,Al)4O10(OH)8
O Clinochlore (var: Sheridanite)(Mg,Al,Fe)6(Si,Al)4O10(OH)8
O AntigoriteMg3(Si2O5)(OH)4
O TalcMg3Si4O10(OH)2
O Greenalite(Fe2+,Fe3+)2-3Si2O5(OH)4
O ChrysotileMg3(Si2O5)(OH)4
O BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
FFluorine
F Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
F ApatiteCa5(PO4)3(Cl/F/OH)
F HectoriteNa0.3(Mg,Li)3(Si4O10)(F,OH)2
F BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
NaSodium
Na Glaucophane◻[Na2][Mg3Al2]Si8O22(OH)2
Na Barroisite☐{CaNa}{Mg3Al2}(AlSi7O22)(OH)2
Na Ferro-glaucophane◻[Na2][Fe32+Al2]Si8O22(OH)2
Na AlbiteNa(AlSi3O8)
Na Omphacite(NaaCabFec2+Mgd)(AleFef3+Feg2+Mgh)Si2O6
Na JadeiteNa(Al,Fe3+)Si2O6
Na ParagoniteNaAl2(AlSi3O10)(OH)2
Na HectoriteNa0.3(Mg,Li)3(Si4O10)(F,OH)2
Na Beidellite(Na,Ca0.5)0.3Al2((Si,Al)4O10)(OH)2 · nH2O
Na SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Na Stilpnomelane(K,Ca,Na)(Fe2+,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O
MgMagnesium
Mg Muscovite (var: Phengite)KAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
Mg Glaucophane◻[Na2][Mg3Al2]Si8O22(OH)2
Mg Barroisite☐{CaNa}{Mg3Al2}(AlSi7O22)(OH)2
Mg Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
Mg SpinelMgAl2O4
Mg Forsterite (var: Peridot)Mg2SiO4
Mg Clinochlore (var: Pennine)Mg5Al(AlSi3O10)(OH)8
Mg Omphacite(NaaCabFec2+Mgd)(AleFef3+Feg2+Mgh)Si2O6
Mg ClinochloreMg5Al(AlSi3O10)(OH)8
Mg ForsteriteMg2SiO4
Mg Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Mg DolomiteCaMg(CO3)2
Mg HectoriteNa0.3(Mg,Li)3(Si4O10)(F,OH)2
Mg SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Mg VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
Mg Stilpnomelane(K,Ca,Na)(Fe2+,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O
Mg Clinochlore (var: Ripidolite)(Mg,Fe,Al)6(Si,Al)4O10(OH)8
Mg Aphrosiderite(Fe,Mg,Al)6(Si,Al)4O10(OH)8
Mg Clinochlore (var: Sheridanite)(Mg,Al,Fe)6(Si,Al)4O10(OH)8
Mg AntigoriteMg3(Si2O5)(OH)4
Mg TalcMg3Si4O10(OH)2
Mg ChrysotileMg3(Si2O5)(OH)4
Mg BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
AlAluminium
Al Chloritoid(Fe2+,Mg,Mn2+)Al2(SiO4)O(OH)2
Al Muscovite (var: Phengite)KAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
Al Glaucophane◻[Na2][Mg3Al2]Si8O22(OH)2
Al Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Al Barroisite☐{CaNa}{Mg3Al2}(AlSi7O22)(OH)2
Al Ferro-glaucophane◻[Na2][Fe32+Al2]Si8O22(OH)2
Al AlbiteNa(AlSi3O8)
Al Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
Al Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Al StauroliteFe22+Al9Si4O23(OH)
Al AndalusiteAl2(SiO4)O
Al CorundumAl2O3
Al KyaniteAl2(SiO4)O
Al SillimaniteAl2(SiO4)O
Al SpinelMgAl2O4
Al Clinochlore (var: Pennine)Mg5Al(AlSi3O10)(OH)8
Al AlmandineFe32+Al2(SiO4)3
Al LawsoniteCaAl2(Si2O7)(OH)2 · H2O
Al Omphacite(NaaCabFec2+Mgd)(AleFef3+Feg2+Mgh)Si2O6
Al ClinochloreMg5Al(AlSi3O10)(OH)8
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al JadeiteNa(Al,Fe3+)Si2O6
Al Piemontite{Ca2}{Al2Mn3+}(Si2O7)(SiO4)O(OH)
Al SpessartineMn32+Al2(SiO4)3
Al GrossularCa3Al2(SiO4)3
Al Clinozoisite{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
Al Muscovite (var: Fuchsite)K(Al,Cr)3Si3O10(OH)2
Al MaripositeK(Al,Cr)2(Al,Si)4O10(OH)2
Al ParagoniteNaAl2(AlSi3O10)(OH)2
Al Beidellite(Na,Ca0.5)0.3Al2((Si,Al)4O10)(OH)2 · nH2O
Al SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Al VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
Al Stilpnomelane(K,Ca,Na)(Fe2+,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O
Al Clinochlore (var: Ripidolite)(Mg,Fe,Al)6(Si,Al)4O10(OH)8
Al Aphrosiderite(Fe,Mg,Al)6(Si,Al)4O10(OH)8
Al Clinochlore (var: Sheridanite)(Mg,Al,Fe)6(Si,Al)4O10(OH)8
Al BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
SiSilicon
Si Chloritoid(Fe2+,Mg,Mn2+)Al2(SiO4)O(OH)2
Si Muscovite (var: Phengite)KAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
Si Glaucophane◻[Na2][Mg3Al2]Si8O22(OH)2
Si Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Si Barroisite☐{CaNa}{Mg3Al2}(AlSi7O22)(OH)2
Si Ferro-glaucophane◻[Na2][Fe32+Al2]Si8O22(OH)2
Si AlbiteNa(AlSi3O8)
Si QuartzSiO2
Si Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
Si Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Si ZirconZr(SiO4)
Si Garnet GroupX3Z2(SiO4)3
Si StauroliteFe22+Al9Si4O23(OH)
Si AndalusiteAl2(SiO4)O
Si TitaniteCaTi(SiO4)O
Si TourmalineA(D3)G6(Si6O18)(BO3)3X3Z
Si KyaniteAl2(SiO4)O
Si SillimaniteAl2(SiO4)O
Si Forsterite (var: Peridot)Mg2SiO4
Si Clinochlore (var: Pennine)Mg5Al(AlSi3O10)(OH)8
Si AlmandineFe32+Al2(SiO4)3
Si LawsoniteCaAl2(Si2O7)(OH)2 · H2O
Si Omphacite(NaaCabFec2+Mgd)(AleFef3+Feg2+Mgh)Si2O6
Si ClinochloreMg5Al(AlSi3O10)(OH)8
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si JadeiteNa(Al,Fe3+)Si2O6
Si ForsteriteMg2SiO4
Si Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Si TephroiteMn22+SiO4
Si PyroxmangiteMnSiO3
Si Piemontite{Ca2}{Al2Mn3+}(Si2O7)(SiO4)O(OH)
Si SpessartineMn32+Al2(SiO4)3
Si GrossularCa3Al2(SiO4)3
Si Clinozoisite{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
Si Deerite(Fe,Mn)6(Fe,Al)3[Si6O17]O3(OH)5
Si Grunerite☐{Fe22+}{Fe52+}(Si8O22)(OH)2
Si Muscovite (var: Fuchsite)K(Al,Cr)3Si3O10(OH)2
Si MaripositeK(Al,Cr)2(Al,Si)4O10(OH)2
Si ParagoniteNaAl2(AlSi3O10)(OH)2
Si HectoriteNa0.3(Mg,Li)3(Si4O10)(F,OH)2
Si Beidellite(Na,Ca0.5)0.3Al2((Si,Al)4O10)(OH)2 · nH2O
Si SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Si VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
Si Stilpnomelane(K,Ca,Na)(Fe2+,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O
Si Clinochlore (var: Ripidolite)(Mg,Fe,Al)6(Si,Al)4O10(OH)8
Si Aphrosiderite(Fe,Mg,Al)6(Si,Al)4O10(OH)8
Si Clinochlore (var: Sheridanite)(Mg,Al,Fe)6(Si,Al)4O10(OH)8
Si AntigoriteMg3(Si2O5)(OH)4
Si TalcMg3Si4O10(OH)2
Si Greenalite(Fe2+,Fe3+)2-3Si2O5(OH)4
Si ChrysotileMg3(Si2O5)(OH)4
Si BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
PPhosphorus
P ApatiteCa5(PO4)3(Cl/F/OH)
SSulfur
S PyriteFeS2
S Smythite(Fe,Ni)3+xS4 (x=0-0.3)
S ChalcopyriteCuFeS2
S BorniteCu5FeS4
S JarositeKFe3+ 3(SO4)2(OH)6
S AnglesitePbSO4
S CoquimbiteFe2-xAlx(SO4)3 · 9H2O, x ~0.5
S CosalitePb2Bi2S5
S ArsenopyriteFeAsS
S GalenaPbS
S PyrrhotiteFe7S8
S CovelliteCuS
ClChlorine
Cl Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Cl ApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
K Muscovite (var: Phengite)KAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
K MuscoviteKAl2(AlSi3O10)(OH)2
K JarositeKFe3+ 3(SO4)2(OH)6
K Muscovite (var: Fuchsite)K(Al,Cr)3Si3O10(OH)2
K MaripositeK(Al,Cr)2(Al,Si)4O10(OH)2
K Stilpnomelane(K,Ca,Na)(Fe2+,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O
K BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
CaCalcium
Ca Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Ca Barroisite☐{CaNa}{Mg3Al2}(AlSi7O22)(OH)2
Ca ApatiteCa5(PO4)3(Cl/F/OH)
Ca TitaniteCaTi(SiO4)O
Ca LawsoniteCaAl2(Si2O7)(OH)2 · H2O
Ca Omphacite(NaaCabFec2+Mgd)(AleFef3+Feg2+Mgh)Si2O6
Ca Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Ca CalciteCaCO3
Ca DolomiteCaMg(CO3)2
Ca Piemontite{Ca2}{Al2Mn3+}(Si2O7)(SiO4)O(OH)
Ca GrossularCa3Al2(SiO4)3
Ca Clinozoisite{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
Ca Beidellite(Na,Ca0.5)0.3Al2((Si,Al)4O10)(OH)2 · nH2O
Ca SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Ca Stilpnomelane(K,Ca,Na)(Fe2+,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O
TiTitanium
Ti CrichtoniteSr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38
Ti Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Ti RutileTiO2
Ti IlmeniteFe2+TiO3
Ti TitaniteCaTi(SiO4)O
Ti AnataseTiO2
VVanadium
V CrichtoniteSr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38
CrChromium
Cr CrichtoniteSr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38
Cr Muscovite (var: Fuchsite)K(Al,Cr)3Si3O10(OH)2
Cr MaripositeK(Al,Cr)2(Al,Si)4O10(OH)2
MnManganese
Mn CrichtoniteSr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38
Mn Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
Mn PyrolusiteMn4+O2
Mn ManganiteMn3+O(OH)
Mn PsilomelaneMn, O
Mn TephroiteMn22+SiO4
Mn PyroxmangiteMnSiO3
Mn Piemontite{Ca2}{Al2Mn3+}(Si2O7)(SiO4)O(OH)
Mn SpessartineMn32+Al2(SiO4)3
Mn JacobsiteMn2+Fe23+O4
FeIron
Fe Chloritoid(Fe2+,Mg,Mn2+)Al2(SiO4)O(OH)2
Fe MagnetiteFe2+Fe23+O4
Fe Muscovite (var: Phengite)KAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
Fe Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Fe Ferro-glaucophane◻[Na2][Fe32+Al2]Si8O22(OH)2
Fe CrichtoniteSr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38
Fe Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
Fe Limonite(Fe,O,OH,H2O)
Fe IlmeniteFe2+TiO3
Fe StauroliteFe22+Al9Si4O23(OH)
Fe PyriteFeS2
Fe HematiteFe2O3
Fe AlmandineFe32+Al2(SiO4)3
Fe Omphacite(NaaCabFec2+Mgd)(AleFef3+Feg2+Mgh)Si2O6
Fe JadeiteNa(Al,Fe3+)Si2O6
Fe Smythite(Fe,Ni)3+xS4 (x=0-0.3)
Fe ChalcopyriteCuFeS2
Fe BorniteCu5FeS4
Fe Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Fe JarositeKFe3+ 3(SO4)2(OH)6
Fe CoquimbiteFe2-xAlx(SO4)3 · 9H2O, x ~0.5
Fe ArsenopyriteFeAsS
Fe SideriteFeCO3
Fe Goethiteα-Fe3+O(OH)
Fe ScoroditeFe3+AsO4 · 2H2O
Fe JacobsiteMn2+Fe23+O4
Fe Deerite(Fe,Mn)6(Fe,Al)3[Si6O17]O3(OH)5
Fe Grunerite☐{Fe22+}{Fe52+}(Si8O22)(OH)2
Fe SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Fe VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
Fe Stilpnomelane(K,Ca,Na)(Fe2+,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O
Fe Clinochlore (var: Ripidolite)(Mg,Fe,Al)6(Si,Al)4O10(OH)8
Fe Aphrosiderite(Fe,Mg,Al)6(Si,Al)4O10(OH)8
Fe Clinochlore (var: Sheridanite)(Mg,Al,Fe)6(Si,Al)4O10(OH)8
Fe Greenalite(Fe2+,Fe3+)2-3Si2O5(OH)4
Fe BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Fe PyrrhotiteFe7S8
NiNickel
Ni Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
Ni Smythite(Fe,Ni)3+xS4 (x=0-0.3)
CuCopper
Cu ChalcopyriteCuFeS2
Cu MalachiteCu2(CO3)(OH)2
Cu BorniteCu5FeS4
Cu CovelliteCuS
ZnZinc
Zn Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
AsArsenic
As ArsenopyriteFeAsS
As ScoroditeFe3+AsO4 · 2H2O
SrStrontium
Sr CrichtoniteSr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38
YYttrium
Y CrichtoniteSr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38
ZrZirconium
Zr ZirconZr(SiO4)
AuGold
Au GoldAu
PbLead
Pb AnglesitePbSO4
Pb CosalitePb2Bi2S5
Pb GalenaPbS
BiBismuth
Bi CosalitePb2Bi2S5
UUranium
U CrichtoniteSr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Chauris, L., Le Bail, F., and Guigues, J. (1970) Minéraux de Basse-Bretagne: 52-73. Editions de la SEPNB, revue Pen ar Bed, Brest, 95 pp.
Belot, Victor R. (1978) Guide des minéraux, coquillages et fossiles: où les trouver en France, comment les reconnaître et les collectionner (Guides Horay). Pierre Horay (Ed.), 224 pp.
Lukas, Yann (1978) Roches et minéraux de Bretagne. Editions Ouest-France, 33 pp. [pp. 3, 22, 30.]
Pierrot, R. et al. (1980) Inventaire minéralogique de la France n°9: Morbihan. Editions du BRGM, Orléans, 314 pp. (100-113).
Dudek, K. and Kienast, J.R. (1989) Deerite from Ile de Groix, Brittany, France. Mineralogical Magazine, 53(373), 603-612.
Audren, C., Triboulet, C., Chauris, L., Lefort, J.-P., Vigneresse, J.-L., Audrain, J., Thiéblemont, D., Goyallon, J., Jégouzo, P., Guennoc, P., Augris, C., and Carn, A. (1993) Notice explicative de la feuille île de Groix (à 1/25000), B.R.G.M., Éditions du Service géologique national, Orléans.

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