Sandstone
Clastic Sedimentary Rock
Category
Browse carved stone specimens identified by the Rock Identifier community.
Sandstone
Clastic Sedimentary Rock
Sandstone
Sedimentary Clastic Rock
Granite
Phaneritic Felsic Igneous Rock
Carnelian
Silicon Dioxide, SiO2
Red Jasper
Microcrystalline quartz (SiO2)
Labradorite
Plagioclase Feldspar (Na,Ca)(Al,Si)4O8
Small green stone, possibly serpentine or greenstone
Undetermined; serpentine minerals are generally Mg₃Si₂O₅(OH)₄
Unakite
Altered Granite (Granitic Metamorphic Rock)
Amazonite
Microcline (Potassium Feldspar) - KAlSi3O8
Yellow Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Granite
Plutonic Igneous Rock (Granite)
Polished Jasper (Mushroom Carving)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Green Jasper
Microcrystalline Quartz (SiO2)
Green Aventurine
Quartz with fuchsite inclusions (SiO2)
Carnelian
Silicon dioxide, variety of chalcedony (SiO2)
Unakite
Altered Granite (Epidotized Granite)
Red Jasper
Microcrystalline Quartz (SiO2)
Opal
Hydrated amorphous silica (SiO2·nH2O)
Green Chalcedony Ring
Silicon Dioxide (SiO2)
Jasper
Microcrystalline Quartz (SiO2)
Tiger's Eye
Silicon dioxide with crocidolite inclusions (SiO2)
Green Aventurine
Silicon Dioxide with Fuchsite inclusions (SiO2 + K(Al,Cr)2(AlSi3O10)(OH)2)
Red coral beads (possibly dyed or imitation coral)
Corallium spp. skeleton, composed mainly of calcium carbonate (calcite); exact material cannot be confirmed from the image
Basalt Metate
Vesicular Basalt
Granite
Phaneritic plutonic felsic rock (primarily Quartz, Feldspar, and Mica)
Granite
Granite
Pink Marble
Metamorphic Limestone (predominantly Calcite, CaCO3)
Pink tourmaline (likely rubellite), faceted gemstone
Elbaite tourmaline, Na(Li₁.₅Al₁.₅)Al₆Si₆O₁₈(BO₃)₃(OH)₄
Polished, carved gemstone (possibly dyed agate or glass-like material)
Unconfirmed from the image; no specific mineral can be identified reliably
Granodiorite
Granodiorite
Sandstone
Clastic Sedimentary Rock
White gypsum (likely selenite/alabaster)
Gypsum, CaSO₄·2H₂O
Diorite
Diorite
Sandstone
Clastic sedimentary rock
Diorite
Phaneritic Intermediate Plutonic Rock
Granite
Phaneritic Plutonic Felsic Rock
Soapstone Carving (Pipestone/Catlinite possible)
Steatite or Argillite
Unakitized Granite
Granitic rock with epidotization
Granodiorite
Granodiorite (Quartz-Feldspar-Biotite Plutonic Rock)
Jasper
Microcrystalline Quartz (SiO2)
Granite
Phaneritic Plutonic Felsic Rock
Granite
Granite (Mainly Quartz, Alkali Feldspar, and Plagioclase)