Quartzite
Quartzite (Primary mineral: Quartz, SiO2)
Category
Browse sedimentary or metamorphic specimens identified by the Rock Identifier community.
Quartzite
Quartzite (Primary mineral: Quartz, SiO2)
Sunstone
Aventurine Feldspar (Plagioclase or Oligoclase)
Bornite
Bornite (Cu5FeS4)
Green Aventurine
Silicon Dioxide (SiO2) with Fuchsite inclusions
Serpentinite
Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4
Schorl (Black Tourmaline)
Sodium iron aluminum borosilicate (NaFe3Al6(BO3)3Si6O18(OH)4)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
Peach Moonstone
Orthoclase (Potassium Aluminum Silicate, KAlSi3O8)
Plagioclase Feldspar
Plagioclase (NaAlSi3O8 - CaAl2Si2O8)
Serpentine
Serpentinite (group of minerals based on (Mg,Fe,Ni,Al,Zn,Mn)2-3(Si,Al,Fe)2O5(OH)4)
Quartz Vein / Milky Quartz
Silicon Dioxide (SiO2)
Rutilated Quartz
Rutile in Quartz (SiO2 with TiO2 inclusions)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Orthoclase Feldspar
KAlSi3O8 (Potassium Aluminum Silicate)
Moonstone (Tumbled)
Potassium Aluminum Silicate (KAlSi3O8) with inclusions of Albite
Amazonite
Microcline (KAlSi3O8 variant)
Tiger's Eye
Pseudomorph of Quartz (SiO2) after Crocidolite
Green Aventurine
Silicon Dioxide (SiO2) with inclusions of Fuchsite mica
Rutilated Quartz
Quartz with Rutile inclusions (SiO2 with TiO2)
Smoky Quartz (Polished)
Silicon Dioxide (SiO2)
Green Tourmaline (Verdelite)
Schorl-Elbaite series (Na(Li,Al)3Al6(BO3)3Si6O18(OH)4)
Feldspar (likely Amazonite or Plagioclase)
Potassium Aluminum Silicate (KAlSi3O8) or Sodium/Calcium Aluminum Silicate
Green Aventurine
Aventurine Quartz (SiO2 with Fuchsite inclusions)
Smoky Quartz
Silicon Dioxide (SiO2)
Feldspar (Orthoclase)
Orthoclase (KAlSi3O8)
Mixed Gemstone Collection
SiO2 (Quartz varieties) and Biogenic CaCO3 (Nacre)
Blue Quartz (Aventurine)
Silicon Dioxide (SiO2) with inclusions of crocidolite or dumortierite
Serpentinite
Serpentine rock (Mg,Fe,Ni,Al,Zn,Mn)3(Si,Al,Fe)2O5(OH)4
Green Aventurine
Silicon Dioxide (SiO2 with Fuchsite inclusions)
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
Rough Emerald Crystals
Beryl (Be3Al2Si6O18) with Chromium/Vanadium impurities
Smoky Quartz
Silicon Dioxide (SiO2)
Green Aventurine
Aventurine Quartz (SiO2 + Fuchsite mica)
Milky Quartz
Silicon Dioxide (SiO2)
Aquamarine
Beryl (Be3Al2Si6O18)
Serpentinite
Serpentinite (group of hydrous magnesium iron phyllosilicates)
Serpentine
Antigorite/Lizardite/Chrysotile group, Mg3Si2O5(OH)4
Bornite
Bornite (Cu5FeS4)
Serpentinite
Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4
Chrysotile Asbestos
Chrysotile [Mg3Si2O5(OH)4]
Blue Quartz (Dumortierite Quartz)
Silicon Dioxide with Aluminum Borosilicate (SiO2 + AlAl6BSi3O18)