Prase Quartz on Feldspar
Quartz (Silicon Dioxide, SiO2) with Hedenbergite inclusions on Potassium Feldspar (KAlSi3O8)
Category
Browse mineral (synthetic paper and ink polymorph) specimens identified by the Rock Identifier community.
Prase Quartz on Feldspar
Quartz (Silicon Dioxide, SiO2) with Hedenbergite inclusions on Potassium Feldspar (KAlSi3O8)
Sphalerite with Galena
Zinc Sulfide ((Zn,Fe)S) and Lead Sulfide (PbS)
Diamond
Diamond (Pure Carbon - C)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Chlorite (Small Flakes/Sand)
Chlorite Group (Magnesium Iron Aluminum Silicate Hydroxide - (Mg,Fe)3(Si,Al)4O10(OH)2·(Mg,Fe)3(OH)6)
Quartz (Iron-stained or Rose variant)
Silicon Dioxide (SiO2)
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Biotite Mica in Quartz
Biotite (K(Mg,Fe)3AlSi3O10(F,OH)2) in Quartz (SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Quartz (Milky/Rose Quartz variety)
Silicon Dioxide (SiO2)
Rough Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Sodalite
Na8(Al6Si6O24)Cl2
Blue Kyanite
Kyanite (Al2SiO5)
Milky Quartz
Silicon Dioxide (SiO2)
Fluorite
Calcium Fluoride (CaF2)
Rhodonite
Rhodonite (Manganese Silicate), chemical formula: (Mn,Fe,Mg,Ca)SiO3
Red Garnet (Pyrope or Almandine)
Magnesium aluminum silicate (Mg3Al2(SiO4)3) or Iron aluminum silicate (Fe3Al2(SiO4)3)
Amethyst (Rough Quartz)
Silicon Dioxide (SiO2) with iron impurities
Selenite (Satin Spar)
Gypsum (CaSO4·2H2O)
Rhodonite
Rhodonite (Manganese Silicate), (Mn,Fe,Mg,Ca)SiO3
Rhodochrosite
Manganese carbonate (MnCO3)
Rose Quartz
Silicon Dioxide (SiO2) with trace elements of titanium, iron, or manganese
Fluorite
Calcium Fluoride (CaF2)
Clear Quartz (Rock Crystal)
Quartz (Silicon Dioxide, SiO2)
Quartz (Common or Milky)
Silicon Dioxide (SiO2)
Quartz (Smoky/Grey Variety)
Silicon Dioxide (SiO2)
Lepidolite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
Lepidolite
Lepidolite (K(Li,Al)3(Al,Si)4O10(F,OH)2)
Carnelian Agate
Silicon Dioxide (SiO2) with iron oxide inclusions
Amber
Fossilized Tree Resin (Generic formula: C10H16O)
Banded Agate (White Agate)
Chalcedony (Silicon Dioxide, SiO2)
Aquamarine
Beryl (Be3Al2Si6O18)
Quartz Geode Fragment
Silicon Dioxide (SiO2)
Orthoclase Feldspar (Sunstone variety)
KAlSi3O8 (Potassium Aluminum Silicate)
Green Fluorite
Calcium Fluoride (CaF2)
Clear Quartz (Carved Merkaba)
Silicon Dioxide (SiO2)
Orpiment
Orpiment (As2S3)
Amethyst
Amethyst (Silicon Dioxide, SiO2)
Sodalite
Sodalite - Na8(Al6Si6O24)Cl2
Blue Chalcedony
Silicon Dioxide (SiO2)
Larimar
Blue Pectolite (NaCa2Si3O8(OH))
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)