Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
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.
Learn about Mineral, Often Found In Metamorphic Rocks But Also In Sedimentary And Igneous Rocks in the encyclopedia
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Green Aventurine and Clear Quartz
Green Aventurine (Silicon Dioxide - SiO2 with Fuchsite inclusions); Clear Quartz (Silicon Dioxide - SiO2)
Mineral
Quartz (likely Yellow/Orange variety, possibly Citrine or Chalcedony with iron staining)
Quartz (SiO₂)
Mineral
Moonstone
Orthoclase (Potassium Feldspar), (K,Na)AlSi3O8
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Gneiss
Gneiss
metamorphic
Quartz
Silicon Dioxide (SiO2)
Mineral
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Magnetite (Octahedral Crystal)
Magnetite (Fe3O4)
mineral
Magnetite
Magnetite (Fe3O4)
mineral
Almandine Garnet
Almandine, Fe3Al2(SiO4)3
mineral
Magnetite / Hematite mix (Iron Ore)
Fe3O4 (Magnetite) / Fe2O3 (Hematite)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Sodalite
Na8(Al6Si6O24)Cl2
mineral
Green Schist
Greenschist (Chlorite Schist)
metamorphic
Magnetite (Iron Ore)
Magnetite (Fe3O4)
mineral
Quartz with Iron Oxide
SiO2
mineral
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO₂)
Mineral
Pyrite
Iron Disulfide (FeS2)
mineral
Ruby
Corundum (Al2O3 with Chromium traces)
mineral
Mixed Gemstone Bracelet
Mixed natural minerals and rocks (e.g., Rhodonite, Malachite, Sodalite, Rose Quartz, Black Tourmaline, Quartz/Chalcedony variants)
Mineral/Rock assemblage
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Tumbled quartz (likely milky or rose quartz)
Quartz, silicon dioxide (SiO₂)
mineral
Small quartz-rich mineral fragment
Quartz (SiO₂), possibly milky or chalcedonic quartz
mineral
Agate
Silicon Dioxide (Chalcedony), SiO2
sedimentary
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz (likely Milky Quartz or Chalcedony)
Quartz (SiO2 - Silicon Dioxide)
Mineral
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Pyrite
Iron Disulfide (FeS2)
mineral
Gneiss
Gneissic Metamorphic Rock
metamorphic
Almandine Garnet
Almandine, Fe3Al2(SiO4)3
mineral
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral