Jasper
Silicon dioxide (SiO2)
sedimentary
Category
Mineral (Specifically A Gemstone Variety)
Browse mineral (specifically a gemstone variety) specimens identified by the Rock Identifier community.
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Chert (containing Flint nodules)
Microcrystalline or cryptocrystalline Quartz (SiO2)
sedimentary
Emerald
Beryl (Be3Al2Si6O18 with Chromium/Vanadium impurities)
mineral
Chalcedony (Agate/Chert variety)
Silicon Dioxide (SiO2)
sedimentary
Quartz (Citrine)
Silicon Dioxide (SiO2)
mineral
Chrysoprase
Chrysoprase (a variety of Chalcedony, SiO₂)
Mineral
Agate (Polished Sphere)
Silicon Dioxide (SiO2)
mineral
Ocean Jasper
Orbicular Jasper/Microcrystalline Quartz (SiO2)
sedimentary
Prehnite
Ca2Al(AlSi3O10)(OH)2
mineral
Jasper (specifically Bloodstone or Heliotrope variety)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
sedimentary
Citrine
Crystalline Quartz (SiO2) with iron impurities
mineral
Green Aventurine
Quartz (SiO2) with fuchsite inclusions
mineral
Blue Sapphire
Corundum (Al2O3 with iron and titanium trace elements)
mineral
Yellow Jasper
Silicon Dioxide (SiO2) with iron hydroxides (Goethite)
sedimentary
Citrine or Yellow Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Chert (specifically Yellow Jasper variety)
Silicon Dioxide (SiO2)
sedimentary
Amazonite
Microcline (KAlSi3O8)
mineral
Chert (Smoky variety)
Microcrystalline Quartz (SiO2)
sedimentary
Chert (White-Tan variety)
Silicon dioxide (SiO2) / Microcrystalline Quartz
sedimentary
Quartz (specifically Milky or Clear Quartz fragment)
Silicon Dioxide (SiO2)
mineral
Carnelian
Carnelian (a variety of Chalcedony, which is a microcrystalline quartz, SiO2)
Mineral (variety of Chalcedony)
Red Jasper (with Quartz)
Silicon Dioxide (SiO2) with Hematite inclusions
mineral
Hessonite Garnet (Grossular)
Ca3Al2(SiO4)3 (Grossular Garnet)
gemstone
Emerald in Matrix
Beryl (Be3Al2Si6O18) with Chromium/Vanadium impurities
mineral
Green Aventurine
Quartz with Fuchsite inclusions (SiO2)
mineral
Citrine Quartz
Silicon Dioxide (SiO2) - Ferric Iron impurities
mineral
Sunstone
Aventurine Feldspar ((Ca,Na)(Al,Si)4O8)
mineral
Banded Agate (specifically Carnelian Agate)
Silicon Dioxide (SiO2)
mineral
Jasper
Silicon Dioxide (SiO2) - Impure Variety of Chert
sedimentary
Jasper (specifically Chert/Ironstone)
Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3) inclusions
sedimentary
Fancy Jasper
Silicon Dioxide (SiO2) with mineral inclusions
sedimentary
Moonstone (Feldspar)
Orthoclase (KAlSi3O8) or Albite (NaAlSi3O8)
mineral
Banded Agate (specifically Carnelian Agate slice)
Chalcedony (cryptocrystalline variety of Quartz), SiO2
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Labradorite (Feldspar)
Labradorite: (Ca,Na)(Al,Si)4O8
mineral
Citrine
Silicon Dioxide (SiO2) with iron impurities
mineral
Chert (Jasper variety)
Silicon Dioxide (SiO2)
sedimentary
Green Aventurine
Quartz variety (SiO2) with fuchsite inclusions
mineral
Blue Apatite
Apatite-(CaF), Ca5(PO4)3F (Calcium Fluorophosphate)
mineral
Pink Amethyst (or Pink Quartz)
Silicon Dioxide (SiO2) with trace inclusions
gemstone
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Agate
Agate (Silicon Dioxide, SiO2)
mineral