Yellow Quartz
Silicon Dioxide (SiO2)
Category
Browse mineral (gemstone variety of beryl) specimens identified by the Rock Identifier community.
Yellow Quartz
Silicon Dioxide (SiO2)
Pegmatite
Granitic Pegmatite
Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Raw Sunstone
Plagioclase Feldspar (Na, Ca)(Al, Si)4O8
Quartz (Milky/Clear variety)
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Chrysoprase
Silicon dioxide with nickel impurities (SiO2 + Ni)
Quartz
Silicon Dioxide (SiO2)
Hematite
Hematite (Fe2O3)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Quartz Mineral
Silicon Dioxide (SiO2)
Amethyst
Silicon Dioxide (SiO2), Quartz variety
Amazonite
Microcline (variety of Feldspar), K(AlSi3O8)
Lake Superior Agate
Silicon Dioxide (Chalcedony variety)
Amazonite
Amazonite (KAlSi3O8, a variety of Microcline)
Amazonite
Microcline (Amazonite variety), KAlSi3O8
Quartz (Clear Quartz)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Pyrite
Iron Disulfide (FeS2)
Green Aventurine
Quartz (Silicon Dioxide, SiO2) with fuchsite inclusions
Milky Quartz
Silicon Dioxide (SiO2)
Imperial Topaz
Aluminum silicate fluoride hydroxide (Al2SiO4(F,OH)2)
Quartz
Silicon Dioxide (SiO2)
Blue Chalcedony
Silicon Dioxide (SiO2)
Quartz (Yellow/Citrine Variety)
Silicon Dioxide (SiO2)
Green Apatite on Albite
Fluorapatite [Ca5(PO4)3F] on Albite [Na(AlSi3O8)]
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz (Milky to Clear)
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Amazonite
Microcline (K(AlSi3O8))
Jasper (Iron-rich Chalcedony)
Jasper (Microcrystalline Silicon Dioxide, SiO2 plus iron oxide impurities)
Pegmatitic mica-quartz-feldspar specimen
Granitic pegmatite, chiefly quartz (SiO₂), feldspar, and muscovite/biotite mica
Jasper (specifically Red Jasper or Iron-stained Chert)
Silicon dioxide (SiO2) with iron oxide inclusions
Milky Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Amethyst
Silicon Dioxide (Quartz variety)
Citrine
Silicon dioxide (SiO2) - yellow quartz variety
Milky Quartz
Silicon Dioxide (SiO2)