Amethyst (Chevron/Dream Amethyst)
Silicon Dioxide (SiO2) with iron impurities
Category
Browse carved stone specimens identified by the Rock Identifier community.
Amethyst (Chevron/Dream Amethyst)
Silicon Dioxide (SiO2) with iron impurities
Tumbled Obsidian
Volcanic Glass (Silicon Dioxide)
Dragon Blood Jasper
SiO2
Carnelian
Carnelian (Silicon Dioxide - SiO2)
Black Obsidian
Obsidian (Volcanic Glass)
Nephrite Jade
Nephrite (Ca2(Mg, Fe)5Si8O22(OH)2)
Diorite
Diorite (Intermediate intrusive igneous rock)
Green Jasper / Bloodstone
SiO2 (Microcrystalline Quartz)
Hematite
Iron (III) Oxide, Fe2O3
Red Jasper
Silicon Dioxide (SiO2) with Hematite impurities
Blue Goldstone
Man-made glass with suspended copper, cobalt, or manganese particles
Amazonite
Amazonite (KAlSi3O8)
Carnelian Agate
Silicon Dioxide (SiO2)
Black Obsidian
Volcanic Glass (SiO2)
Basalt Pebble
Extrusive Igneous Rock
Carnelian
SiO2 (Variety of Chalcedony/Quartz)
Prehnite
Prehnite (Ca2Al2Si3O10(OH)2)
Unakite
Altered Granite (Plagioclase-Epidote-Quartz Rock)
Turquoise in Matrix
CuAl6(PO4)4(OH)8·4H2O (Hydrated copper aluminum phosphate)
Carnelian (Chalcedony)
Silicon Dioxide (SiO2)
Yellow Aventurine
Quartz variety (SiO2) with inclusions
Garnet in Matrix (likely Almandine Garnet)
Almandine (Fe3Al2(SiO4)3)
Green Aventurine
Silicon Dioxide (SiO2) with Fuchsite inclusions (Quartzite)
Nephrite Jade
Nephrite (Ca2(Mg, Fe)5Si8O22(OH)2)
Rainbow Moonstone
White Labradorite (Plagioclase Feldspar, (Na,Ca)(Al,Si)4O8)
Carnelian
Carnelian (Cryptocrystalline Quartz, SiO2)
Aventurine Quartz
Silicon Dioxide (SiO2) with Fuchsite inclusions
Blue Lace Agate (Polished Point)
Silicon Dioxide (SiO2)
Clear Quartz (Double Terminated)
Silicon Dioxide (SiO2)
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of Titanium, Iron, or Manganese
Granite
Granite
Chalcedony
Silicon dioxide (SiO2)
Pink Opal
Hydrated Silicon Dioxide (SiO2 · nH2O)
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Crazy Lace Agate
Agate (Cryptocrystalline Quartz), Silicon Dioxide (SiO2)
Jasper with Chalcedony
Silicon Dioxide (SiO2)
Serpentinite
Antigorite, Lizardite, and Chrysotile (Mg3Si2O5(OH)4)
Carnelian
SiO2 (Silicon Dioxide) - Carnelian variety of Chalcedony
Carnelian Agate
Silicon Dioxide (SiO2) - variety of Chalcedony
Larvikite
Monzonite (anorthoclase-bearing)
Carnelian
Chalcedony (SiO2 with Iron Oxide inclusions)
Amethyst
SiO2 (Silicon Dioxide with Iron impurities and natural radiation influence)