Amygdaloidal Basalt
Amygdaloidal Mafic Volcanic Rock (Basalt)
igneous
Category
Mineral In Metamorphic Rock
Browse mineral in metamorphic rock specimens identified by the Rock Identifier community.
Banded Sandstone (Liesegang Rings)
Sedimentary Arenite (SiO2 with FeO/Fe2O3 impurities)
sedimentary
Almandine Garnet in Matrix
Almandine, Fe3Al2(SiO4)3
metamorphic
Pink Thulite (in Pumice-like texture)
Pink Zoisite (Mn-bearing Zoisite), Ca2Al3(SiO4)3(OH)
metamorphic
Orthoclase Feldspar
Orthoclase (KAlSi3O8)
mineral
Quartz (Common or Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Fuchsite (Green Muscovite in Quartz)
Chromium-rich Muscovite (K(Al,Cr)2(AlSi3O10)(OH)2)
metamorphic
Muscovite Schist with Quartz
KAl2(AlSi3O10)(OH)2 in Schistose matrix
metamorphic
Green Aventurine
Aventurine Quartz (SiO2 + Fuchsite mica)
Mineral
Diorite
Diorite (an intrusive igneous rock)
igneous
Quartz Druze (Crystalline Quartz)
Silicon Dioxide (SiO2)
mineral
Limestone with Calcite Veins
Calcium Carbonate (CaCO3)
sedimentary
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Glauconitic Sandstone
Glauconitic Sandstone (contains (K,Na)(Fe,Al,Mg)2(Si,Al)4O10(OH)2)
sedimentary
Pyrite
Iron Sulfide (FeS2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Chert Geode or Nodule
Microcrystalline Quartz (SiO2)
sedimentary
Blue Quartz
Quartz (Silicon Dioxide) with blue inclusions (SiO2)
mineral
Garnet
Garnet Group (often Pyrope or Almandine); X3Y2(SiO4)3
mineral
Pink Quartzite
Quartzite (SiO2)
metamorphic
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Granitic Pegmatite
Pegmatite (Quartz: SiO2, Feldspar: KAlSi3O8, Mica: KAl2(AlSi3O10)(OH)2)
Igneous
Rhodonite
Rhodonite (Manganese Silicate), (Mn,Fe,Mg,Ca)SiO3
mineral
Rhodonite
Rhodonite; (Mn,Fe,Mg,Ca)SiO3
Mineral
Jadeite
Jadeite (NaAlSi2O6)
metamorphic
Sandstone
Arenite (SiO2 based)
sedimentary
Sandstone
Arenite (composed primarily of SiO2)
sedimentary
Sandstone
Arenite (SiO2 based)
sedimentary
Sandstone
Arenite (SiO2 based)
sedimentary
Sandstone
Clastic sedimentary rock (primarily SiO2)
sedimentary
Sandstone
Arenite (SiO2 principal)
sedimentary
Sandstone (Greywacke/Siltstone variant)
Arenite / Wacke (SiO2 with diverse mineral inclusions)
sedimentary
Sandstone
Arenite (SiO2 based)
sedimentary
Marble
Metamorphosed Limestone (calcite formulation CaCO3)
metamorphic
Marble
Metamorphosed Limestone (mainly CaCO3)
metamorphic
Morganite (Pink Beryl)
Beryllium aluminum silicate Be3Al2(SiO3)6
mineral
Marble
Recrystallized Calcite (CaCO3)
metamorphic
Blue Sapphire
Corundum (Al2O3 with trace amounts of iron and titanium)
mineral
Quartz in Limonite-rich Matrix
Silicon Dioxide (SiO2) with Goethite/Limonite FeO(OH)·nH2O
Mineral in Sedimentary/Secondary host
Sodalite
Sodalite, Na8(Al6Si6O24)Cl2
mineral
Greenstone
Greenschist / Greenstone (contains epidote, chlorite, and actinolite)
metamorphic
Magnetite (Lodestone variety)
Magnetite (Fe3O4)
mineral