Orthoclase Feldspar
KAlSi3O8 (Potassium Aluminum Silicate)
mineral
Category
Mineral (Silicate Variety)
Browse mineral (silicate variety) specimens identified by the Rock Identifier community.
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Imperial Topaz
Al2SiO4(F,OH)2
mineral
Beryl (likely Aquamarine)
Beryllium aluminum silicate (Be3Al2Si6O18)
mineral
Green Moonstone
Potassium Aluminum Silicate (KAlSi3O8)
mineral
Fulgurite
Fulgurite (Lechatelierite-rich variety)
metamorphic
Potassium Feldspar (Orthoclase / Microcline)
KAlSi3O8 (Potassium Aluminum Silicate)
mineral
Peach Moonstone
Orthoclase (Potassium Aluminum Silicate, KAlSi3O8)
mineral
Orthoclase Feldspar
Potassium aluminum silicate (KAlSi3O8)
mineral
Kunzite (variety of Spodumene)
Lithium Aluminum Silicate (LiAlSi2O6)
mineral
Beryl (Emerald Variety)
Beryllium aluminum silicate (Be3Al2Si6O18)
mineral
Amazonite
Potassium Aluminum Silicate (KAlSi3O8)
mineral
Orthoclase Feldspar
Potassium aluminum silicate (KAlSi3O8)
mineral
Amazonite
Potassium Aluminum Silicate (KAlSi3O8)
mineral
Green Opal (Prase Opal)
SiO2 · nH2O (Hydrated Silicon Dioxide)
mineral
Jasper
Silicon dioxide (SiO2) with impurities
sedimentary
Chrysoprase
Silicon Dioxide (Chalcedony variety), SiO2
mineral
Tourmalinated Quartz
Silicon dioxide (SiO2) with inclusions of Schorl (NaFe2+3Al6(Si6O18)(BO3)3(OH)3OH)
mineral
Potassium Feldspar (Orthoclase)
KAlSi3O8 (Potassium Aluminum Silicate)
mineral
Orthoclase Feldspar
KAlSi3O8 (Potassium Aluminum Silicate)
mineral
Peridot (Olivine)
Magnesium Iron Silicate (Mg,Fe)2SiO4
mineral
Mineral and Rock Collection (Assorted)
Mixed collection including Quartz (SiO2), Jasper (SiO2 with impurities), Rose Quartz, and Aventurine
mineral
Green Adventurine
Quartz (SiO2) with Fuchsite inclusions
mineral
Jasper (Green)
Silicon dioxide (SiO2)
Mineral/Sedimentary
Smoky quartz fragment
Quartz, silicon dioxide (SiO₂), smoky variety
mineral
Amazonite
K(AlSi3O8) - Potassium Aluminum Silicate
mineral
Riverstone Jasper (Chert variant)
Silicon Dioxide (SiO2)
sedimentary
Orthoclase Feldspar (Potassium Feldspar)
KAlSi3O8 (Potassium Aluminum Silicate)
mineral
Imperial Topaz
Aluminum Silicate Fluoride Hydroxide Al2SiO4(F,OH)2
mineral
Beryl (Emerald variety in host rock)
Be3Al2(SiO3)6 (Silicate mineral)
mineral
Tumbled Stone Collection (featuring Tiger's Eye, Rose Quartz, and Moss Agate)
Mixed Silicates and Oxides (predominantly SiO2 group minerals)
mineral
Amazonite
KAlSi3O8 (Potassium Aluminum Silicate)
mineral
Beryl (likely Pink/Morganite variety)
Beryllium aluminum silicate (Be3Al2Si6O18)
mineral
Iolite (Cordierite)
Cordierite (Magnesium Aluminum Silicate), Mg2Al4Si5O18
Mineral
Amazonite
K(AlSi3O8) - Potassium Aluminum Silicate
mineral
Moonstone (Variety of Orthoclase Feldspar)
KAlSi3O8 (Potassium Aluminum Silicate)
mineral
Orthoclase Feldspar
KAlSi3O8 (Potassium Aluminum Silicate)
mineral
Amazonite
Potassium aluminum silicate (KAlSi3O8)
mineral
Jadeite Jade
NaAlSi2O6 (Sodium Aluminum Silicate)
metamorphic
Green Calcite (often commercially called Green Onyx)
Calcium Carbonate (CaCO3)
Mineral
Peach Moonstone
Orthoclase (Potassium Aluminum Silicate), KAlSi3O8
mineral
Snowflake Obsidian
Vitreous Volcanic Rock (Amorphous Silicate), SiO2
igneous
Picture Jasper
Silicon Dioxide (SiO2) - Opaque cryptocrystalline variety of Quartz
sedimentary