Citrine Crystal Tower (Heat-Treated Amethyst)
Silicon Dioxide (SiO2)
Category
Browse carved stone specimens identified by the Rock Identifier community.
Citrine Crystal Tower (Heat-Treated Amethyst)
Silicon Dioxide (SiO2)
Limestone
Calcium Carbonate (CaCO3)
Red Jasper
Microcrystalline Quartz (SiO2)
Staurolite
Fe2Al9O6(SiO4)4(O,OH)2
Granite
Granite (Felsic Plutonic Rock)
Sandstone
Sedimentary Rock (Quartz arenite)
Banded Agate (Mutton-fat or Pork-stone variety)
Silicon Dioxide (SiO2) with iron oxide inclusions
Granite
Phaneritic plutonic igneous rock (felsic)
Sandstone
Clastic sedimentary rock (Quartz arenite / Arkose)
Sandstone (Quartzose Sandstone)
Clastic Terrigenous Sedimentary Rock (primarily SiO2)
Sandstone
Arenite (SiO2 primarily)
Sandstone (Quartzose)
Arenite (SiO2 based)
Granite
Granite (Felsic Intrusive Igneous Rock)
Granite
Granite (Phaneritic Acid Igneous Rock)
Carved labradorite fish
Labradorite, calcium-rich plagioclase feldspar (approximately (Ca,Na)(Al,Si)₄O₈)
Polished Agate
Silicon dioxide (SiO2)
Heliotrope (Bloodstone)
Chalcedony quartz variety (SiO2) with hematite or jasper inclusions
Granite
Granite (Phaneritic intrusive igneous rock)
Granite
Phaneritic Felsic Igneous Rock (composed主に of SiO2, Al2O3, K2O, Na2O)
Sandstone (with iron staining)
Quartz Arenite / Ferruginous Sandstone
Sandstone (Quartz Sandstone)
Arenite (SiO2 based)
Unakite
Altered Granite (Epidote, Orthoclase Feldspar, and Quartz)
Jasper
Microcrystalline Quartz (SiO2)
Blue obsidian (likely carved volcanic glass)
Obsidian, naturally occurring silica-rich volcanic glass (composition commonly rhyolitic)
Banded Jasper (Carved)
Microcrystalline Quartz (SiO2)
Greenstone pebble
Greenschist-facies mafic rock, commonly derived from basalt; likely rich in chlorite, actinolite, and epidote
Engraved green stone worry pebble
Likely nephrite jade (tremolite–actinolite series); identification is uncertain from the image
Labradorite rough
Labradorite, a calcium-rich plagioclase feldspar (approximately (Ca,Na)(Al,Si)₄O₈)
Unakite
Altered Granite (Granitic Metamorphic Rock)
Unakite
Epidotized Granite
Carnelian
Carnelian Agate (SiO2)
Unakite
Altered Granite (composed of orthoclase feldspar, green epidote, and quartz)
Chrysanthemum Stone
Chrysanthemum Stone (Calcite/Celestite/Strontianite in Limestone)
Carved shell pendant or charm
Likely nacre (mother-of-pearl), composed chiefly of aragonite (CaCO₃) in an organic matrix
Labradorite (Polished Crystal Point)
Labradorite (a calcium-enriched feldspar mineral), (Ca, Na)(Al, Si)4O8
Milky Quartz
Silicon Dioxide (SiO2)
Limestone
Calcium Carbonate (CaCO3)
Blue gemstone ring, likely lapis lazuli
Lapis lazuli: lazurite-rich metamorphic rock, chiefly (Na,Ca)8(AlSiO4)6(S,SO)2, commonly with calcite and pyrite
Sandstone
Sedimentary rock composed mainly of quartz sand
Granite
Granite (Phaneritic Igneous Rock)
Green Aventurine
Quartz (SiO2) with fuchsite inclusions
Red Breccia Jasper
Silicon Dioxide (SiO2) with hematite and various mineral inclusions