Yellow Quartz (Citrine/Lemon Quartz)
Silicon Dioxide (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.
Ruby and Diamond Heart Pendant
Corundum (Al2O3) and Diamond (C)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Garnet
Garnet Group (Silicate mineral); general formula X3Y2(SiO4)3
mineral
Pyrite (Cube variety)
Iron Sulfide (FeS2)
mineral
Smoky Quartz (with possible Garnet inclusions)
Silicon Dioxide (SiO2)
mineral
Rough Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
mineral
Rhodonite
Manganese Inosilicate (Mn,Fe,Mg,Ca)SiO3
mineral
Gneiss
Gneiss
metamorphic
Muscovite Mica
Muscovite (KAl2(AlSi3O10)(OH)2)
mineral
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Ruby (Corundum)
Corundum (Aluminum Oxide with Chromium), Al2O3:Cr
mineral
Gneiss
Gneiss
metamorphic
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Green Opal
Hydrated Silica (SiO2·nH2O)
mineraloid
Biotite Mica in Host Rock
Biotite (K(Mg,Fe)3AlSi3O10(F,OH)2)
mineral
Ruby
Corundum (Al2O3 with Chromium impurities)
mineral
Quartz
Quartz (Silicon Dioxide, SiO2)
Mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Garnet
Almandine (Fe3Al2(SiO4)3)
mineral
Rhodochrosite
Manganese carbonate (MnCO3)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Quartz (SiO2 - Silicon Dioxide)
Mineral
Black Star Diopside
Diopside (CaMgSi2O6) with Magnetite inclusions
mineral
Magnetite with Pyrite or Chalcopyrite inclusions
Magnetite (Fe3O4) with Pyrite (FeS2)
mineral
Gneiss
Gneiss
metamorphic
Quartz with Muscovite Mica
SiO2 with KAl2(AlSi3O10)(OH)2
mineral group
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Gneiss
High-grade foliated metamorphic rock
metamorphic
Folded Schist / Gneiss (Metamorphic Rock)
Regional Metaphoric Folded Outcrop (predominantly Schist/Gneiss)
metamorphic
Quartz (Iron-stained)
Silicon Dioxide (SiO2) with Hematite/Limonite impurities
mineral
Gneiss (Cobble)
Gneiss
metamorphic
Calcite
Calcite (Mineral, Calcium Carbonate - CaCO3)
Mineral
Banded Gneiss
Gneiss (pronounced "nice")
metamorphic
Peridot
Olivine ((Mg, Fe)2SiO4)
mineral
Osumilite in Granite Matrix
(K,Na)(Fe,Mg)2(Al,Fe)3(Si,Al)12O30
mineral
Rhodonite
Manganese Silicate (Mn,Fe,Mg,Ca)SiO3
mineral
Orthoclase Feldspar (Salmon variety)
Orthoclase, KAlSi3O8
mineral
Rhodonite
Manganese Inosilicate (MnSiO3), often with Ca, Fe, Mg, Zn
Mineral
Banded Gneiss with Quartz Vein
Foliated Metamorphic Rock (Gneiss)
metamorphic
Gneiss (Metamorphic Cobble)
Gneiss
metamorphic
Smoky Quartz
Smoky Quartz (Silicon Dioxide, SiO2)
mineral