Jade (Nephrite and Jadeite)
Nephrite: Ca2(Mg,Fe)5Si8O22(OH)2; Jadeite: NaAlSi2O6
Category
Browse metamorphic specimens identified by the Rock Identifier community.
Jade (Nephrite and Jadeite)
Nephrite: Ca2(Mg,Fe)5Si8O22(OH)2; Jadeite: NaAlSi2O6
Jadeite
NaAlSi2O6 (Sodium Aluminum Silicate)
Biotite Mica in Quartz
Biotite (K(Mg,Fe)3AlSi3O10(F,OH)2) in Quartz (SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
Orthoclase Feldspar
Orthoclase (KAlSi3O8)
Smoky Quartz
Silicon Dioxide (SiO₂)
Orthoclase Feldspar with Quartz
Orthoclase (KAlSi3O8)
Rough Citrine Quartz
Silicon Dioxide (SiO2) with iron impurities
Specular Hematite (Iron Ore)
Iron(III) oxide (Fe2O3)
Quartz
Silicon Dioxide (SiO2)
Jadeite
NaAlSi2O6; Jadeite silicate mineral
Magnetite / Iron Ore (likely Hematite-Magnetite mix)
Magnetite (Fe3O4)
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
Green Aventurine
Silicon Dioxide (SiO2+KAl2(AlSi3O10)(OH)2)
Prehnite
Prehnite (Ca2Al(AlSi3O10)(OH)2)
Hematite
Iron(III) oxide (Fe2O3)
Pyrite
Iron Sulfide (FeS2)
Yellow Aventurine (specifically a carved crescent moon)
Silicon Dioxide (SiO2) with inclusions
Aquamarine
Beryl (Be3Al2Si6O18)
Orthoclase Feldspar (Sunstone variety)
KAlSi3O8 (Potassium Aluminum Silicate)
Smoky Quartz (with inclusions)
Silicon Dioxide (SiO2)
Nephrite Jade
Nephrite (Ca2(Mg,Fe)5Si8O22(OH)2)
Smoky Quartz (with complementary stones in jewelry setting)
Smoky Quartz (Silicon Dioxide - SiO2)
Banded Agate (White Agate)
Chalcedony (Silicon Dioxide, SiO2)
Bornite (Peacock Ore)
Bornite (Cu5FeS4)
Clear Quartz (Tumbled)
Silicon Dioxide (SiO2)
Potassium Feldspar
Orthoclase (KAlSi3O8)
Clear Quartz
Silicon Dioxide (SiO2)
Feldspar (Orthoclase)
Potassium Feldspar (KAlSi3O8)
Smoky Quartz
Silicon Dioxide (SiO2)
Citrine
Silicon dioxide (SiO2)
Sodalite
Sodalite - Na8(Al6Si6O24)Cl2
Quartz Pebble
Silicon Dioxide (SiO2)
Banded Agate
Silicon Dioxide (SiO2)
Emerald with Matrix (Emerald in Mica Schist)
Beryl (Be3Al2Si6O18) with Chromium/Vanadium impurities
Quartz (Common or Milky)
Silicon Dioxide (SiO2)
Aquamarine
Beryl (Be3Al2Si6O18)
Yellow Citrine Quartz
Silicon Dioxide (SiO₂)
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
Milky Quartz on Matrix
Quartz (Silicon Dioxide, SiO2)
Yellow Calcite
Calcium Carbonate (CaCO3)