Agate
SiO2 (Chalcedony/Quartz)
sedimentary
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.
Learn about Mineral, Often Found In Metamorphic Rocks But Also In Sedimentary And Igneous Rocks in the encyclopedia
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Magnetite
Magnetite (Fe3O4)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Nephrite Jade
Nephrite (Ca2(Mg, Fe)5Si8O22(OH)2)
metamorphic
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Quartz (Drusy/Crystalline)
Silicon Dioxide (SiO2)
mineral
Quartz (Milky Quartz)
Quartz (SiO2 - Silicon Dioxide)
Mineral
Pyrite in Matrix
Iron Sulfide (FeS2)
mineral
Granitic Gneiss
Gneiss (Complex silicate composition)
metamorphic
Quartzite Pebble
Quartzite (SiO2)
metamorphic
Pyrite
Iron Disulfide (FeS2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Orange Calcite
Calcite (Calcium Carbonate, CaCO3)
mineral
Black Star Diopside (beads)
Diopside (CaMgSi2O6) - a member of the pyroxene group
Mineral
Epidote
Epidote (Ca2(Al2,Fe3+)3(SiO4)3(OH))
metamorphic
Quartz
Silicon Dioxide (SiO2)
mineral
Clear Quartz
Silicon dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz Mineral
Silicon Dioxide (SiO2)
mineral
Quartz (likely tumbled or naturally water-worn)
Quartz (SiO₂ - Silicon Dioxide)
Mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Citrine
Silicon Dioxide (SiO2)
gemstone
Blue Apatite
Fluorapatite / Apatite Group Ca5(PO4)3(F,Cl,OH)
mineral
Quartz
Silicon dioxide (SiO2)
mineral
Gneiss
Gneiss
metamorphic
Clear Quartz (Faceted)
SiO2 - Silicon Dioxide
gemstone
Pyrite
Iron Sulfide (FeS2)
mineral
Magnetite (Iron Ore)
Iron(II,III) oxide (Fe3O4)
mineral
Ruby (Corundum)
Al2O3 (Aluminium oxide with Chromium impurities)
Mineral
Botryoidal Pyrite
Iron Sulfide (FeS2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Pyrite or Chalcopyrite specimen (Gold-colored mineral coating)
Iron Sulfide (FeS2) / Copper Iron Sulfide (CuFeS2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Black Tourmaline
Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Ruby Zoisite
Anyolite (Composition of Green Zoisite, Black Tschermakite, and Red Corundum)
metamorphic