Sandstone
Arenite
sedimentary
Category
Carved Stone
Browse carved stone specimens identified by the Rock Identifier community.
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Sandstone
Arenite (primarily Quartz, SiO2)
sedimentary
Polished black gemstone carving, likely obsidian
Volcanic glass (primarily SiO₂), commonly called obsidian
igneous
Red Sandstone Pebble
Sedimentary Quartz Arenite / Arkose
sedimentary
Marble
Recrystallized Calcite (CaCO3)
metamorphic
Granite
Granite (Felsic Plutonic Rock)
igneous
Sandstone
Arenite (composed primarily of SiO2)
sedimentary
Granite
Phaneritic intrusive igneous rock (consisting mainly of Quartz, Alkali Feldspar, and Plagioclase)
igneous
Red Jasper
Silicon Dioxide with Hematite inclusions (SiO2 + Fe2O3)
sedimentary
Sandstone
Quartz arenite / Lithic sandstone
sedimentary
Red Jasper
Silicon Dioxide (SiO2) with Iron Oxide inclusions
sedimentary
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2)
gemstone
Diorite
Phaneritic intermediate plutonic rock
igneous
Granite
Intrusive Phaneritic Felsic Igneous Rock
igneous
Polished tiger iron carving
Tiger iron, chiefly hematite–jasper–crocoite/goethite-rich ironstone; composition is uncertain from the image
metamorphic
White Quartz (Carved Heart)
Silicon Dioxide (SiO2)
mineral
Red Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
sedimentary
Yellow Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
sedimentary
Green Aventurine
Aventurine Quartz (SiO2 + Fuchsite inclusions)
mineral
Polished black tourmaline pendant (probable)
Schorl tourmaline, NaFe3Al6(BO3)3Si6O18(OH)4
mineral
Green jade bangle
Jadeite or nephrite (jade); exact species cannot be confirmed visually
gemstone
Greenstone, likely nephrite jade
Nephrite (interlocking tremolite–actinolite amphibole, Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂)
metamorphic
Carnelian Agate
Chalcedony (SiO2)
mineral
Black Onyx
Silicon Dioxide (SiO2)
mineral
Sodalite
Sodalite (Na8Al6Si6O24Cl2)
mineral
Carnelian
Carnelian (Cryptocrystalline Quartz, SiO2)
mineral
Rhodonite
Rhodonite ((Mn2+,Fe2+,Mg,Ca)SiO3)
metamorphic
Snowflake Obsidian
Volcanic Glass with Spherulite Inclusions (70–75% SiO2)
igneous
Red Jasper
Silicon dioxide (SiO2) with iron oxide (Hematite) inclusions
sedimentary
Red Tiger's Eye
Silicified Crocidolite (Quartz pseudo-morph after Crocidolite), SiO2
metamorphic
Serpentinite
Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4
metamorphic
Red Jasper
Silicon Dioxide with Iron Oxide inclusions (SiO2)
sedimentary
Red Jasper
Silicon Dioxide (SiO2) with Hematite impurities
sedimentary
Dragon Blood Jasper
Epidote with Red Jasper (Quartz variety)
sedimentary
Dalmatian Stone (Dalmatian Jasper)
Peralkaline Aplite (Quartz, Feldspar, and Arfvedsonite composition)
igneous
Bloodstone (Heliotrope)
SiO2 (Cryptocrystalline Quartz / Chalcedony)
mineral
Red Jasper (Tumbled)
Silicon Dioxide (SiO2) with iron oxide inclusions
sedimentary
Opalite
Man-made Glass (Synthetic Opalized Glass)
gemstone
Green Aventurine
Quartz (SiO2) with fuchsite inclusions
mineral
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
mineral
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2)
metamorphic
Granite
Granite (Phaneritic Quartz-Feldspar Plutonic Rock)
igneous