Tumbled pale green stone, likely serpentine or green aventurine
Serpentine-group minerals (Mg₃Si₂O₅(OH)₄) or quartz-rich aventurine; exact identification requires testing
Category
Browse carved stone specimens identified by the Rock Identifier community.
Tumbled pale green stone, likely serpentine or green aventurine
Serpentine-group minerals (Mg₃Si₂O₅(OH)₄) or quartz-rich aventurine; exact identification requires testing
Obsidian (likely volcanic glass)
Obsidian; predominantly rhyolitic glass, chiefly SiO₂
Polished greenstone (likely serpentinite)
Serpentinite, chiefly antigorite/lizardite Mg₃Si₂O₅(OH)₄, possibly with magnetite
Peridotite
Ultramafic igneous rock
Rhodonite
Rhodonite (Manganese Iron Magnesium Calcium Silicate - (Mn,Fe,Mg,Ca)SiO3)
Basalt (Polished)
Basalt (Mafic Extrusive Igneous Rock)
Fancy Jasper
Chalcedony (SiO2)
Tiger's Eye
Silicon Dioxide (SiO2) with iron oxide inclusions
Granite
Granite
Rough Green QuartzITE / Green Aventurine
Aventurine Quartz (SiO2 + Cr-muscovite inclusions)
Red Sandstone
Arenite (with Iron Oxide / Hematite cementation)
Carved pyrite frog or toad
Pyrite (iron disulfide, FeS₂), likely a carved massive aggregate
Sunstone Quartz / Aventurine Quartz
Silicon Dioxide (SiO2) with inclusions
Epidote
Epidote (Ca2(Al, Fe)3(SiO4)3(OH))
Green Jadeite
Jadeite, NaAl(Si2O6)
Jasper
Silicon Dioxide (Microcrystalline Quartz), SiO2
Granite
Phaneritic Felsic Igneous Rock
Granite
Phaneritic Plutonic Felsic Rock
Green Jasper
Silicon Dioxide (SiO2) with iron silicate inclusions
Rhodonite
Manganese silicate (MnSiO3)
Green Jasper (or Moss Agate / Prase)
Silicon Dioxide (SiO2) with chlorite or amphibole inclusions
Carnelian
SiO2 (Silicon Dioxide - Chalcedony variant)
Carnelian (Tumbled)
Silicon Dioxide (SiO2)
Crazy Lace Agate
Chalcedony (SiO2)
Serpentine (Nephrite-like River Cobble)
Serpentinite (Hydrous Magnesium Iron Silicate)
Pink Granite
Phaneritic plutonic rock (dominated by Alkali Feldspar)
Heliotrope (Bloodstone)
Silicon Dioxide with Iron Oxide (SiO2)
Green Aventurine
Silicon dioxide (SiO2) with inclusions of Fuchsite
Blue Quartz
Quartz (Silicon Dioxide) with blue inclusions (SiO2)
Black Obsidian
Volcanic Glass (SiO2 + impurities)
Granite
Granite
Carved lavender chalcedony (likely agate) animal figurine
Microcrystalline quartz, SiO₂; probable chalcedony or pale lavender agate
Blue Chalcedony
Cryptocrystalline Quartz (SiO2)
Diorite
Diorite (Intermediate intrusive igneous rock)
Amazonite
Amazonite (K[AlSi3O8])
Granite
Phaneritic Igneous Rock (Granitic)
Granite
Phaneritic plutonic rock (primarily Quartz, Alkali Feldspar, and Plagioclase)
Pink Granite
Phaneritic Felsic Igneous Rock
Yellow Aventurine
Silicon Dioxide (SiO2) with inclusions
Zebra Jasper (Zebra Stone)
Silicon Dioxide (SiO2) with iron oxide and manganese inclusions
Heliodor (Yellow Beryl) / Greenish-Yellow Beryl
Beryl (Be3Al2Si6O18)
Satin Spar Gypsum (Satin Spar Selenite)
Gypsum (Calcium Sulfate Dihydrate - CaSO4·2H2O)