Quartz (Citrine or Iron-Stained)
Silicon Dioxide (SiO2)
Category
Browse igneous, sedimentary, and metamorphic mix specimens identified by the Rock Identifier community.
Quartz (Citrine or Iron-Stained)
Silicon Dioxide (SiO2)
Yellow Quartz (Citrine Quartz)
Silicon Dioxide (SiO2)
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)
Smoky Quartz
Silicon Dioxide (SiO₂)
Plagioclase Feldspar
NaAlSi3O8 – CaAlSi2O8 (Sodium-Calcium Aluminum Silicates)
Rhodonite
Manganese Silicate (Mn,Fe,Mg,Ca)SiO3
Smoky Quartz
Silicon Dioxide (SiO2)
Biotite (Mica)
K(Mg,Fe)3AlSi3O10(OH,F)2
Aventurine
Silicon Dioxide (SiO2) with inclusions
Pyrite
Iron Sulfide (FeS2)
Quartz (Clear Quartz and Rose Quartz variants)
Silicon Dioxide (SiO2)
Prasiolite (Green Quartz)
Silicon Dioxide (SiO2) with iron impurities
Smoky Quartz
Smoky Quartz (Silicon Dioxide, SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Feldspar
Potassium Feldspar (KAlSi3O8)
Sodalite
Sodalite (Na8Al6Si6O24Cl2)
Emerald (Beryl)
Beryl (Be3Al2(SiO3)6) with Chromium/Vanadium impurities
Garnet
Garnet Group (Silicate mineral); general formula X3Y2(SiO4)3
Black Diamond / Black Sapphire
Carbon (C) or Corundum (Al2O3)
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)
Pyrope Garnet
Magnesium aluminum silicate (Mg3Al2Si3O12)
Sunstone
Aventurine Feldspar ((Ca,Na)(Al,Si)4O8)
Quartz (Gravel Pebble)
Silicon Dioxide (SiO2)
Quartz (Milky to Clear)
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Quartz (specifically Citrine or Iron-stained Quartz)
Silicon Dioxide (SiO2)
Bornite
Bornite (Cu5FeS4)
Quartz (possibly Citrine or Smoky Quartz variety)
Silicon Dioxide (SiO2)
Black Spinel
Magnesium Aluminum Oxide (MgAl2O4)
White Quartz
Silicon Dioxide (SiO2)
Blue Sapphire
Corundum (Al2O3)
Muscovite Mica
Muscovite (Potassium Mica) KAl2(AlSi3O10)(OH)2
Quartz
Quartz (SiO₂)
Greenschist
Chlorite schist
Greenschist
Greenschist (Major minerals include Chlorite, Actinolite, and Epidote)
Greenschist (containing Epidote and Quartz)
Greenschist (Epidote-Chlorite-Actinolite Schist)
Quartz (vein quartz)
SiO2 (Silicon Dioxide)
Milky Quartz
Silicon Dioxide (SiO2)