Clear Quartz (Rock Crystal)
Quartz (SiO₂)
Mineral
Category
Mineral, Often Found In Metamorphic Rocks But Also In Sedimentary And Igneous Rocks
Browse mineral, often found in metamorphic rocks but also in sedimentary and igneous rocks specimens identified by the Rock Identifier community.
Sunstone
Oligoclase (Feldspar variety), (Na,Ca)(Si,Al)4O8
mineral
Nephrite Jade
Nephrite (Ca2(Mg, Fe)5Si8O22(OH)2)
metamorphic
Schist
Chlorite/Mica Schist
metamorphic
Quartz (Milky Quartz)
Quartz (SiO2 - Silicon Dioxide)
Mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Quartz (possibly milky quartz or quartz with inclusions)
SiO2 (Silicon Dioxide)
Mineral
Quartz (beads)
SiO2 (Silicon Dioxide)
Mineral
White Quartz
Silicon Dioxide (SiO2)
mineral
Sunstone
Aventurine Feldspar (Plagioclase Feldspar with inclusions)
mineral
Calcite
Calcium Carbonate (CaCO3)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Epidote (with Quartz and Feldspar)
Epidote (unakalite/unite), Ca2(Al2Fe3+)(SiO4)(Si2O7)O(OH)
metamorphic
Chalcopyrite
Chalcopyrite (CuFeS2)
mineral
Pyrite
Iron Disulfide (FeS2)
mineral
Pyrite (on a metal substrate)
Iron Sulfide (FeS2)
mineral
Pyrite (Fools Gold)
Iron Sulfide (FeS2)
mineral
Epidote in Quartz
Quartz with Epidote inclusions (SiO2 with Ca2(Al,Fe)3(SiO4)3(OH) inclusions)
Mineral
Muscovite Mica
Muscovite (KAl2(AlSi3O10)(OH)2)
mineral
Graphite
Graphite (Chemical Formula: C)
Mineral (Native Element)
Rough Corundum (likely Sapphire/Zircon-bearing)
Aluminium Oxide (Al2O3)
mineral
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
mineral
Botryoidal Pyrite
Iron Sulfide (FeS2)
mineral
Rhodonite
Rhodonite (MnSiO3)
mineral
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
mineral
Feldspar
KAlSi3O8 - NaAlSi3O8 - CaAl2Si2O8
mineral
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Sodalite
Sodalite Na8(Al6Si6O24)Cl2
mineral
Quartz
Silicon Dioxide (SiO₂)
Mineral
Chalcopyrite
Chalcopyrite (CuFeS2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Magnetite / Hematite mix (Iron Ore)
Fe3O4 (Magnetite) / Fe2O3 (Hematite)
mineral
Pyrite
Pyrite (FeS2)
Mineral
Quartz (likely tumbled or naturally water-worn)
Quartz (SiO₂ - Silicon Dioxide)
Mineral
Quartz
Silicon Dioxide (SiO2)
Mineral
Pyrite (Iron Pyrite)
Iron Sulfide (FeS2)
mineral
Smoky Quartz (with complementary stones in jewelry setting)
Smoky Quartz (Silicon Dioxide - SiO2)
mineral
Garnet (likely Almandine)
Almandine (Fe3Al2(SiO4)3)
mineral
Biotite Mica
K(Mg, Fe)3AlSi3O10(F, OH)2
mineral
Magnetite
Magnetite (Fe3O4)
Mineral
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
mineral