Heliotrope (Bloodstone)
Silicon Dioxide with Iron Oxide (SiO2)
Category
Browse carved stone specimens identified by the Rock Identifier community.
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)
Pink Granite
Granite (Phaneritic igneous rock)
Sandstone
Arenite (primarily composed of SiO2)
Sandstone
Sedimentary Rock (Quartz Sandstone)
Sandstone
Arenite (primarily SiO2)
Orange Calcite
Calcium Carbonate (CaCO3)
Red Jasper Concretion
Cryptocrystalline Quartz (SiO2)
Limestone
Calcium Carbonate (CaCO3)
Serpentine (Nephrite-like River Cobble)
Serpentinite (Hydrous Magnesium Iron Silicate)
Sandstone
Sedimentary Rock (Quartz Arenite)
Green Aventurine
Aventurine Quartz (SiO2 with inclusions)
Rhodonite
Manganese Silicate (Mn,Fe,Mg,Ca)SiO3
Goldstone (Brown)
Aventurine glass
Granite
Granite
Diorite
Phaneritic intermediate plutonic rock
Granite
Granite (Phaneritic Igneous Rock)
Pink Thulite (Zoisite)
Ca2Al3(SiO4)3(OH) - Manganese-bearing Zoisite
Green Aventurine (or Xiuyan Jade / Serpentine)
Silicon Dioxide (SiO2) with Fuchsite inclusions or Magnesium Silicate
Yellow Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Granite
Intrusive igneous rock (SiO2 range 65-75%)
Moonstone with Black Tourmaline
Orthoclase (KAlSi3O8) with Schorl inclusions (NaFe3Al6(BO3)3Si6O18(OH)4)
Granite
Phaneritic intrusive igneous rock (composed mainly of Quartz SiO2, Feldspar KAlSi3O8, and Biotite/Mica)
Amethyst cluster
Amethyst, purple quartz (SiO₂)
Labradorite
(Ca,Na)(Al,Si)4O8
Bloodstone
Heliotrope (Cryptocrystalline Quartz, SiO2)
Jasper
Jasper (Silicon Dioxide, SiO2)
Blue Chalcedony
Cryptocrystalline Quartz (SiO2)
Sandstone
Sedimentary rock composed mainly of quartz sand
Unakite
Epidotized Granite
Sandstone (Greywacke)
Arenite / Wacke (SiO2 + varied clasts)
Rhyolitic Tuff (Breccia Type)
Rhyolitic Pyroclastic Rock (Mixed Silicates including Quartz, Feldspar, and Volcanic Glass)
Sandstone
Arenite (SiO2 principal component)
Pink Granite
Phaneritic Felsic Igneous Rock (Granite)
Heliodor (Yellow Beryl) / Greenish-Yellow Beryl
Beryl (Be3Al2Si6O18)
Red Jasper
Silicon Dioxide (SiO2) with Hematite inclusions
Amethyst
Amethyst (Silicon Dioxide, SiO2 + Fe4+)
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2)
Dalmatian Stone (Dalmatian Jasper)
Peralkaline Aplite (Quartz, Feldspar, and Arfvedsonite composition)
Bloodstone (Heliotrope)
SiO2 (Cryptocrystalline Quartz / Chalcedony)