Clear Quartz Crystal (Rock Crystal)
Quartz (Silicon Dioxide, SiO2)
Category
Browse mineral (synthetic paper and ink polymorph) specimens identified by the Rock Identifier community.
Clear Quartz Crystal (Rock Crystal)
Quartz (Silicon Dioxide, SiO2)
Labradorite
Labradorite ((Ca, Na)(Al, Si)4O8)
Sodalite
Sodalite (Na8Al6Si6O24Cl2)
Gold
Native Gold (Au)
Dyed Quartz (imitating Emerald/Green Quartz)
Silicon Dioxide (SiO2) with artificial pigment
Labradorite
Plagioclase Feldspar ((Ca, Na)(Al, Si)4O8)
Biotite on Matrix
Biotite (K(Mg,Fe)3AlSi3O10(F,OH)2)
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
Rhodonite
Manganese silicate (Mn,Fe,Mg,Ca)SiO3
Milky Quartz
Silicon Dioxide (SiO2)
Labradorite
(Ca,Na)(Al,Si)4O8
Rose Quartz
Silicon Dioxide (SiO2)
Biotite / Black Mica
K(Mg,Fe)3(AlSi3O10)(F,OH)2
Feldspar (likely Amazonite or Plagioclase)
Potassium Aluminum Silicate (KAlSi3O8) or Sodium/Calcium Aluminum Silicate
Rose Quartz
Silicon Dioxide (SiO2)
Dearest Ring (Gemstones)
Mixed Gemstones: Diamond (C), Emerald (Be3Al2Si6O18), Amethyst (SiO2), Ruby (Al2O3), Sapphire (Al2O3), Topaz (Al2SiO4(F,OH)2)
Pyrite
Iron Sulfide (FeS2)
Sodalite
Chloric sodium aluminum silicate (Na8(Al6Si6O24)Cl2)
Rhodonite
Rhodonite (Manganese Iron Magnesium Calcium Silicate) - (Mn+2,Fe+2,Mg,Ca)SiO3
Chalcedony (Moonstone-like Agate)
Silicon Dioxide (SiO₂)
Rose Quartz
Silicon dioxide (SiO2) with trace elements of Titanium, Iron, or Manganese
Green Kyanite
Kyanite (Al2SiO5)
Yellow Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Green Chalcedony (Green Agate)
Silicon Dioxide (SiO2)
Pyrope Garnet
Magnesium aluminum silicate (Mg3Al2Si3O12)
Lepidolite
K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2
Garnet
Garnet (X3Y2(SiO4)3)
Rose Quartz
Silicon Dioxide (SiO2) with traces of titanium, iron, or manganese
Quartz (River Pebble)
Silicon Dioxide (SiO2)
Rhodonite
Rhodonite (Manganese Iron Magnesium Calcium Silicate)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of Titanium, Iron, or Manganese
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Rhodonite
Manganese Silicate (Mn,Fe,Mg,Ca)SiO3
Yellow Aventurine
Silicon Dioxide (SiO2) with inclusions
Obsidian
Volcanic Glass (Amorphous SiO2)
Ironstone (likely Limonite or Goethite nodule)
Hydrothermally altered Ferric Hydroxide (FeO(OH)·nH2O)
Fluorite on Matrix
Calcium Fluoride (CaF2)
Agate
Silicon Dioxide (SiO2)
Muscovite Mica
Muscovite (KAl2(AlSi3O10)(F,OH)2)
Almandine Garnet
Almandine (Fe3Al2(SiO4)3)