Cloudy Quartz
Quartz (Silicon Dioxide, SiO2)
Category
Browse igneous, sedimentary, and metamorphic mix specimens identified by the Rock Identifier community.
Cloudy Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz Vein (Iron-stained)
Silicon Dioxide (SiO2) with limonite/hematite staining
Green Aventurine and Clear Quartz
Green Aventurine (Silicon Dioxide - SiO2 with Fuchsite inclusions); Clear Quartz (Silicon Dioxide - SiO2)
Quartzite with Mafic Intrusion (Gneiss/Schist Contact)
Metamorphic Quartzite (SiO2) with Amphibole/Biotite Schist
Garnet
Garnet Group (e.g., Almandine Fe3Al2(SiO4)3 or Pyrope Mg3Al2(SiO4)3)
Muscovite (Mica)
Muscovite - KAl2(AlSi3O10)(OH)2
Milky Quartz
Quartz (SiO2)
Quartz
Quartz (SiO2 - Silicon Dioxide)
Quartz
Quartz (SiO₂ - Silicon Dioxide)
Epidote
{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Unakite
Epidotized Granite
Chlorite (Small Flakes/Sand)
Chlorite Group (Magnesium Iron Aluminum Silicate Hydroxide - (Mg,Fe)3(Si,Al)4O10(OH)2·(Mg,Fe)3(OH)6)
Ruby
Corundum (Al2O3 with Chromium traces)
Ruby (Corundum)
Corundum (Aluminum Oxide) with chromium trace elements, Al2O3
Moonstone
Orthoclase Feldspar (containing Albite lamellae), (KAlSi3O8)
Smoky Quartz
Quartz (Silicon Dioxide, SiO2)
Feldspar (likely Amazonite or Plagioclase)
Potassium Aluminum Silicate (KAlSi3O8) or Sodium/Calcium Aluminum Silicate
Peacock Ore
Bornite (Cu5FeS4) or iridescent Chalcopyrite (CuFeS2)
Quartz with Iron Stains
Silicon Dioxide (SiO2) with FeOx inclusions
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
Rutilated Quartz
Quartz with Rutile inclusions (SiO2 with TiO2)
Amethyst (Variety of Quartz)
Silicon Dioxide (SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Garnet
Garnet Group (Silicate Minerals)
Green Aventurine
Silicon Dioxide (SiO2) with inclusions of Fuchsite mica
Blue Quartz (Aventurine)
Silicon Dioxide (SiO2) with inclusions of crocidolite or dumortierite
Smoky Quartz
Silicon Dioxide (SiO2)
Smoky Quartz (Polished)
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Sunstone
Oligoclase (Feldspar variety), (Na,Ca)(Si,Al)4O8
Amethyst
Amethyst (Silicon Dioxide, SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Citrine
Citrine (Silicon Dioxide - SiO2)
Smoky Quartz
SiO2 (Silicon Dioxide)
Black Tourmaline
Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)
Smoky Quartz
Silicon Dioxide (SiO2)
Citrine
Crystalline Quartz (SiO2) with iron impurities
Quartz Mineral
Silicon Dioxide (SiO2)
Peach Moonstone
Potassium Aluminum Silicate, KAlSi3O8