Serpentine (Green Jasper variety)
Antigorite/Chrysotile, Mg3Si2O5(OH)4
metamorphic
Category
Carved Stone
Browse carved stone specimens identified by the Rock Identifier community.
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Leopardite
Quartz porphyry / Quartz monzonite with manganese oxide spots
igneous
Unakite
Granitic Unakite (Alteration rock composed of pink orthoclase feldspar, green epidote, and clear quartz)
metamorphic
Diorite (Salt and Pepper Rock)
Diorite
igneous
Sandstone
Clastic sedimentary rock
sedimentary
Granite
Phaneritic Granitoid
igneous
Sandstone
Arenite
sedimentary
Sodalite
Na8(Al6Si6O24)Cl2 (Sodium Aluminum Silicate Chloride)
mineral
Green Aventurine
Aventurine Quartz (SiO2 with Fuchsite inclusions)
mineral
Goldstone (Brown)
Aventurine glass
mineraloid (man-made)
Moonstone with Black Tourmaline
Orthoclase (KAlSi3O8) with Schorl inclusions (NaFe3Al6(BO3)3Si6O18(OH)4)
mineral
Coarse-Grained Marble
Recrystallized Limestone (Major component: CaCO3)
metamorphic
Chalcedony
Silicon Dioxide (SiO2)
mineral
Chert (Flint)
SiO2 (Microcrystalline Quartz)
sedimentary
Granite with Cupules / Bedrock Mortars
Granite (felsic intrusive plutonic rock)
igneous
Granite
Felsic intrusive igneous rock
igneous
Granite
Phaneritic plutonic rock (Quartzo-feldspathic)
igneous
Obsidian (Carved)
Volcanic glass (high-silica amorphous glass, >70% SiO2)
igneous
Chrysocolla (carved)
Cu2-xAlx(H2-xSi2O5)(OH)4·n(H2O)
mineral
Green Aventurine
Quartz (Silicon Dioxide) with Fuchsite inclusions (SiO2 + K(Al,Cr)2(AlSi3O10)(OH)2)
mineral
Granite
Phaneritic plutonic rock (Quartz, Feldspar, Mica/Amphibole)
igneous
Red Jasper
Microcrystalline Quartz (Chalcedony), SiO2
sedimentary
Carnelian
Orange-red chalcedony (microcrystalline quartz, SiO₂)
gemstone
Unakite
Altered Granite (Epidotized Feldspar with Quartz)
metamorphic
Malachite
Malachite, Cu₂CO₃(OH)₂ (basic copper carbonate)
mineral
Tiger's Eye
SiO2 (Silicon Dioxide with inclusions of Goethite/Limonite)
Metamorphic
Tumbled carnelian (likely)
Cryptocrystalline quartz, SiO₂; reddish chalcedony colored mainly by iron oxides
gemstone
Hematite
Hematite (Fe2O3)
mineral
Sandstone (likely Quartzose Sandstone)
Arenite (primarily SiO2)
sedimentary
Granite
Granite (composed primarily of Quartz, Alkali Feldspar, and Plagioclase)
igneous
Granite
Phaneritic Felsic Igneous Rock
igneous
Sandstone (likely Arkose or Quartz Sandstone)
Arenite (SiO2 + varied clasts)
sedimentary
Red Jasper
SiO2 (Microcrystalline Quartz)
sedimentary
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Granite
Phaneritic Igneous Rock (composed of Quartz, Feldspar, and Mica/Amphibole)
igneous
Granite
Granite (Felsic intrusive igneous rock)
igneous
Petrified Bone (Fossil Bone)
Per mineralization fossil bone (varies by organism, predominantly replacement by SiO2 - Quartz/Chalcedony)
fossil
Granite
Granite (Felsic intrusive igneous rock)
igneous
Granite
Granite
igneous
Unakite
Altered Granite (Granitic Metamorphic Rock)
metamorphic
Unakite
Altered Granite (Epidote, Orthoclase Feldspar, Quartz)
metamorphic
Sandstone
Arenite (composed primarily of SiO2)
sedimentary