Orthoclase Feldspar
Orthoclase (KAlSi3O8)
Category
Browse igneous, sedimentary, and metamorphic specimens identified by the Rock Identifier community.
Orthoclase Feldspar
Orthoclase (KAlSi3O8)
Dearest Jewelry (Multigemstone)
Combination of Diamond (C), Emerald (Be3Al2Si6O18), Amethyst/Rock Crystal (SiO2), Ruby (Al2O3), Emerald (Be3Al2Si6O18), Sapphire (Al2O3), and Topaz (Al2SiO4(F,OH)2)
Ruby (Raw Corundum)
Corundum (Al2O3 with Chromium impurities)
Plagioclase Feldspar
NaAlSi3O8 – CaAlSi2O8 (Sodium-Calcium Aluminum Silicates)
Aventurine
Silicon Dioxide (SiO2) with inclusions
Sodalite
Sodalite: Na8(Al6Si6O24)Cl2
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
Pyrite
Iron Sulfide (FeS2)
Milky Quartz
Silicon Dioxide (SiO2)
Prasiolite (Green Quartz)
Silicon Dioxide (SiO2) with iron impurities
Biotite (Mica)
K(Mg,Fe)3AlSi3O10(OH,F)2
Peach Moonstone
Potassium Aluminum Silicate (KAlSi3O8)
Smoky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Emerald (Beryl)
Beryl (Be3Al2(SiO3)6) with Chromium/Vanadium impurities
Feldspar
Potassium Feldspar (KAlSi3O8)
Sodalite
Sodalite (Na8Al6Si6O24Cl2)
Smoky Quartz
Silicon Dioxide (SiO2)
Amethyst
SiO2 (Silicon Dioxide with Fe3+ impurities)
Smoky Quartz
Smoky Quartz (Silicon Dioxide, SiO2)
Tumbled Quartz (Snow Quartz)
Silicon Dioxide (SiO2)
Black Tourmaline
Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)
Quartz (Milky or Smoky Quartz)
Silicon Dioxide (SiO2)
Black Diamond / Black Sapphire
Carbon (C) or Corundum (Al2O3)
Pyrope Garnet
Magnesium aluminum silicate (Mg3Al2Si3O12)
Garnet
Garnet Group (Silicate mineral); general formula X3Y2(SiO4)3
Smoky Quartz
Silicon Dioxide (SiO2)
Greasy Quartz (likely carved Milky Quartz or Aventurine)
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Chrysocolla (on host rock)
Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O (Copper silicate)
Citrine
Silicon dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Sodalite
Sodalite (Na8Al6Si6O24Cl2)
White Quartz
Silicon Dioxide (SiO2)
Blue Sapphire
Corundum (Al2O3)
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
Green Aventurine
SiO2 (Quartz with Fuchsite inclusions)
Smoky Quartz
Silicon Dioxide (SiO2)
Citrine
Silicon Dioxide (SiO2) with iron impurities
Smoky Quartz
Silicon Dioxide (SiO2)