Greenstone (Greenschist facies)
Greenschist (composed primarily of Chlorite, Actinolite, and Epidote)
Category
Browse mineral (specifically, a variety of the mineral species pyrope almandine garnet) specimens identified by the Rock Identifier community.
Greenstone (Greenschist facies)
Greenschist (composed primarily of Chlorite, Actinolite, and Epidote)
Diamond
Diamond (a metastable allotrope of carbon, C)
Amazonite in Pegmatite Matrix with Smoky Quartz
K(AlSi3O8) - Microcline (var. Amazonite) with SiO2 (Quartz)
Orthoclase Feldspar
Orthoclase (KAlSi3O8)
Turquenite (Dyed Howlite)
Dyed Ca2B5SiO9(OH)5 (Calcium Borosilicate Hydroxide)
Aquamarine
Aquamarine (Beryl variety) - Be3Al2(Si6O18)
Yellow Jasper (Limonite-stained Chert)
Silicon Dioxide (SiO2) with Limonite/Goethite inclusions
Riverstone Jasper (Chert variant)
Silicon Dioxide (SiO2)
Yellow Jasper
Jasper (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Halite (Rock Salt)
Halite (Sodium Chloride, NaCl)
Quartz
Quartz (SiO2)
Green Jasper
Jasper (Silicon Dioxide, SiO2)
Citrine
Quartz (SiO₂) variety
Quartz Geode Fragment
Silicon Dioxide (SiO2)
Blue Quartz (specifically Dumortierite Quartz)
Silicon Dioxide (SiO2) with inclusions of Dumortierite (Al7BO3(SiO4)3O3)
Jasper
Silicon dioxide (SiO2)
Red Jasper
Silicon Dioxide with Iron Oxide (SiO2)
Greywacke
Dirty Sandstone (Lithic wacke)
Rainbow Fluorite
Fluorite (Calcium Fluoride, CaF2)
Green Fluorite
Calcium Fluoride (CaF2)
Larimar
Pectolite (a variety of pectolite, NaCa2Si3O8(OH))
Vesicular Basalt with Amygdaloidal Infill
Basalt (Mafic Extrusive Igneous Rock)
Conglomerate
Conglomerate (clastic sedimentary rock)
Prase Quartz on Feldspar
Quartz (Silicon Dioxide, SiO2) with Hedenbergite inclusions on Potassium Feldspar (KAlSi3O8)
Green Aventurine
Aventurine (variety of Quartz - SiO2)
Chert (specifically Jasper or Flint variant)
Cryptocrystalline Quartz (SiO2)
Labradorite
(Ca, Na)(Al, Si)4O8 (Plagioclase Feldspar)
Fuchsite (Chrome Mica)
K(Al,Cr)2(AlSi3O10)(OH)2
Jasper (likely Brecciated or Multi-colored)
Jasper (SiO2)
Quartz (Milky/Common)
Quartz (Silicon Dioxide, SiO2)
Himalayan Salt
Halite (mineral name), chemical formula NaCl (sodium chloride). Generally, 'Himalayan Salt' is a trade name for evaporite minerals from specific regions.
Yellow Calcite
Calcite (Calcium Carbonate, CaCO3)
Orange Calcite Sphere
Calcium Carbonate (CaCO3)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Blue Agate
Chalcedony (SiO2)
Satin Spar (often marketed as Selenite)
Gypsum (Calcium Sulfate Dihydrate) - CaSO4·2H2O
Beryl (Emerald Variety)
Beryllium Aluminum Silicate (Be3Al2(SiO3)6)