Red Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Category
Browse carved stone specimens identified by the Rock Identifier community.
Red Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Rose Quartz
Silicon Dioxide (SiO2)
Granite
Phaneritic Igneous Rock (primarily Quartz, Feldspar, and Mica)
Rhyolitic Tuff
Rhyolitic Tuff / Pyroclastic rock
Granite Cobble
Granite (Phaneritic intrusive igneous rock)
Red Jasper
Silicon Dioxide with Iron inclusions (SiO2)
Limestone
Calcium Carbonate (CaCO3)
Carnelian
SiO2 (Quartz variety)
Dalmatian Stone
Dalmatian Jasper (a trade name for an igneous microcrystalline rock composed mostly of feldspar, quartz, and dravite)
Carnelian
Carnelian (variety of Chalcedony, SiO2)
Carnelian (Red Chalcedony)
Silicon Dioxide (SiO2)
Yellow Jasper
Silicon Dioxide (SiO2) with Goethite/Iron oxide inclusions
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2 with iron oxide inclusions)
Bloodstone
Heliotrope
Sandstone
Arenite (composed primarily of SiO2)
Sodalite
Na8(Al6Si6O24)Cl2
Granite
Intrusive Igneous Rock (composed of Quartz, Alkali Feldspar, and Plagioclase)
Granite
Granite (composed primarily of Quartz, Alkali Feldspar, and Plagioclase)
Granite
Phaneritic Felsic Igneous Rock
Sandstone (likely Arkose or Quartz Sandstone)
Arenite (SiO2 + varied clasts)
Sandstone
Arenite
Sandstone
Arenite
Sandstone
Arenite (primarily Quartz, SiO2)
Green Aventurine
Silicon Dioxide (SiO2) with inclusions of Fuchsite (Mica)
Carnelian
SiO2 (Silicon Dioxide) with Ferric Oxide inclusions
Sodalite
Sodalite (Sodium Aluminum Silicate Chloride) - Na8(Al6Si6O24)Cl2
Unakite
Epidotized Granite
Green Aventurine
Silicon Dioxide (SiO2) with Fuchsite inclusions
Serpentine
Antigorite, Lizardite, or Chrysotile; (Mg, Fe)3Si2O5(OH)4
Sandstone
Clastic Sedimentary Rock
Red Tiger's Eye
SiO2 (Silicon Dioxide with iron inclusions)
Green Aventurine
Silicon Dioxide (SiO2) with Fuchsite inclusions
Red Jasper (in Quartz/Chalcedony)
Silicon Dioxide (SiO2) with iron oxide inclusions
Howlite
Howlite (Calcium borosilicate hydroxide, Ca2B5SiO9(OH)5)
Chert (Jasper variety)
Microcrystalline Quartz (SiO2)
Red Howlite (Dyed)
Calcium Borosilicate Hydroxide (Ca2B5SiO9(OH)5) with Red Dye
Unakite
Epidotized Granite
Petrified Bone (Fossil Bone)
Per mineralization fossil bone (varies by organism, predominantly replacement by SiO2 - Quartz/Chalcedony)
Red Jasper
Jasper (Silicon Dioxide with Iron Oxide inclusions - 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)