Epidote
Epidote (Ca2(Al2,Fe)(SiO4)(Si2O7)O(OH))
Category
Browse mineral (metamorphic pseudomorph) specimens identified by the Rock Identifier community.
Epidote
Epidote (Ca2(Al2,Fe)(SiO4)(Si2O7)O(OH))
Staurolite
Staurolite (Fe2Al9O6(SiO4)4(O,OH)2)
Green Aventurine
Silicon Dioxide (SiO2) with inclusions of Fuchsite mica
Specular Hematite (Specularite)
Iron(III) oxide (Fe2O3)
Quartz Veined Mudstone
Metasedimentary rock with Quartz (SiO2) veins
Clear Quartz
SiO2 (Silicon Dioxide)
Quartz in Matrix (Lepidolite or Quartzite)
Silicon Dioxide (SiO2) with host rock
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
Arsenopyrite with Schist Matrix
Arsenopyrite (FeAsS)
Schist
Schist
Carved Stone Turtle
Carved Soapstone and Quartz
Pyrite
Iron Disulfide (FeS2)
Quartz with inclusions
SiO2
Biotite Mica Schist
Metamorphic Rock containing Biotite K(Mg,Fe)3AlSi3O10(OH)2
Apatite
Fluorapatite, Chlorapatite, and Hydroxylapatite (Ca5(PO4)3(F,Cl,OH))
Drill Core Samples (Varied Lithology)
Multi-lithological core samples (containing potential granite, marble, and phyllite/schist sequence)
Hematite
Iron(III) oxide (Fe2O3)
Hematite (likely Botryoidal or Specularite variant)
Iron(III) oxide (Fe2O3)
Sapphirine in Matrix
Sapphirine (Mg,Al)8(Al,Si)6O20
Rhodonite
(Mn,Fe,Mg,Ca)SiO3
Epidote
Epidote (formula: Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH))
Rainbow Fluorite
Fluorite (Calcium Fluoride, CaF2)
Gneiss
Banded Metamorphic Rock (Gneiss)
Rhodonite
Manganese silicate (Mn,Fe,Mg,Ca)SiO3
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
Glaucophane / Blueschist
Glaucophane (Na2Mg3Al2Si8O22(OH)2)
Gneiss (with Quartz Vein / Pegmatite Banding)
Metamorphic Gneiss
Garnet in Schist or Pegmatite
Almandine Garnet (Fe3Al2(SiO4)3) in host rock
Magnetite
Magnetite (Iron(II,III) oxide, Fe3O4)
Greenstone
Metabasalt / Greenschist
Muscovite
KAl2(AlSi3O10)(OH)2
Greenschist
Chlorite-actinolite schist
Epidote in Matrix (likely Amphibolite or Gneiss)
Epidote (Ca2(Al2,Fe)(SiO4)(Si2O7)O(OH)) in Metamorphic Matrix
Pyrite
Iron Disulfide (FeS2)
Talc
Talc (Hydrated magnesium silicate, Mg3Si4O10(OH)2)
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
Magnetite
Magnetite (Fe3O4)
Rhodonite
Manganese Inosilicate (Mn,Fe,Mg,Ca)SiO3
Auriferous Quartz (Gold-bearing Quartz)
Silicon Dioxide (SiO2) with trace Gold (Au) and Iron Oxides
Epidote
Epidote (Ca2(Al, Fe)3(SiO4)3(OH))
Ruby
Corundum (Al2O3 with chromium impurities)
Orthoclase Feldspar
Potassium aluminum silicate (KAlSi3O8)