Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Category
Metamorphic Rock (For Nephrite And Some Jadeite); Mineral (For Jadeite)
Browse metamorphic rock (for nephrite and some jadeite); mineral (for jadeite) specimens identified by the Rock Identifier community.
Diabase (Dolerite)
Mafic Intrusive Igneous Rock
igneous
Rhodonite
(Mn,Fe,Mg,Ca)SiO3
mineral
Greasy Quartz (likely carved Milky Quartz or Aventurine)
Silicon Dioxide (SiO2)
mineral
Rhodonite
Rhodonite (Manganese Silicate), (Mn,Fe,Mg,Ca)SiO3
mineral
Puddingstone
Conglomerate
Sedimentary
Garnet
Garnet Group (Silicate mineral); general formula X3Y2(SiO4)3
mineral
Aquamarine
Beryllium aluminum silicate (Be3Al2Si6O18)
mineral
Quartz Mineral
Silicon Dioxide (SiO2)
mineral
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
mineral
Rhodonite
Manganese Silicate (Mn,Fe,Mg,Ca)SiO3
mineral
Citrine Quartz
SiO2 (Silicon Dioxide with Iron impurities)
mineral
Rhodonite
Manganese silicate (Mn,Fe,Mg,Ca)SiO3
mineral
Amethyst
Amethyst (Silicon Dioxide, SiO2)
mineral
Peach Moonstone
Potassium Aluminum Silicate, KAlSi3O8
mineral
Cobaltian Calcite (Cobaltoan Calcite)
Cobaltian Calcite (CaCO3 with Co2+ substitution)
Mineral
Rhodonite
Manganese Silicate (Mn,Fe,Mg,Ca)SiO3
mineral
Citrine Quartz
Crystalline Quartz (SiO2 with iron impurities)
mineral
Blue Sapphire (in a faceted jewelry setting)
Corundum (Al2O3) with trace Iron and Titanium
mineral
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Basalt with Plagioclase Phenocrysts
Porphyritic Basalt
igneous
Vesicular Basalt (Scoria)
Basalt (Extrusive Igneous Rock)
igneous
Basalt
Aphanitic mafic volcanic rock (primarily plagioclase feldspar and pyroxene)
igneous
Opal
Hydrous silicon dioxide (SiO2·nH2O)
mineral
Amethyst
Amethyst (a variety of Quartz, SiO2)
Mineral
Tourmaline (Multi-colored)
Complex Borosilicate (Na,Ca)(Li,Mg,Al,Fe)3Al6(BO3)3Si6O18(OH)4
mineral
Red Garnet
Almandine Garnet (Fe3Al2(SiO4)3)
mineral
Pink Garnet (likely Almandine or Rhodolite)
Garnet Group (Fe3Al2(SiO4)3 to Mg3Al2(SiO4)3)
mineral
Ruby (Corundum)
Aluminium oxide (Al2O3) with Chromium traces
mineral
Beryl (likely Emerald or Aquamarine in matrix)
Beryllium aluminum silicate (Be3Al2Si6O18)
mineral
Hypersthene
Enstatite (Hypersthene variety), (Mg,Fe)SiO3
mineral
Green Aventurine
Silicon Dioxide (SiO2) with Fuchsite inclusions
mineral
Muscovite (Mica)
Muscovite - KAl2(AlSi3O10)(OH)2
Mineral
Orthoclase Feldspar
KAlSi3O8 (Potassium Aluminum Silicate)
mineral
Sodalite
Sodalite - Na8(Al6Si6O24)Cl2
mineral
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Morganite (Pink Beryl)
Beryllium aluminum silicate Be3Al2(SiO3)6
mineral
Aquamarine
Beryl (Be3Al2Si6O18 with iron impurities)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Garnet (Almandine)
Almandine Garnet (Fe3Al2(SiO4)3)
Mineral
Rose Quartz
Silicon Dioxide (SiO2) with traces of Titanium, Iron, or Manganese
mineral
Crazy Lace Agate
Silicon dioxide (SiO2) - a variety of banded Chalcedony (cryptocrystalline quartz)
mineral