Diorite
Diorite (Intermediate intrusive igneous rock)
igneous
Category
Carved Stone
Browse carved stone specimens identified by the Rock Identifier community.
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Gemstone cocktail ring, likely jade and orange chalcedony
Green jade (jadeite, NaAlSi₂O₆, or nephrite, Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂) with orange chalcedony (microcrystalline SiO₂); identification is visual
gemstone
Howlite
Howlite (Calcium borosilicate hydroxide, Ca2B5SiO9(OH)5)
mineral
Pink Granite
Phaneritic Plutonic Felsic Rock (Granite)
igneous
Serpentine
Serpentinite; chiefly antigorite, lizardite, or chrysotile Mg₃Si₂O₅(OH)₄
metamorphic
Rose Quartz
Silicon Dioxide (SiO2)
mineral
Travertine / Tufa
Calcium Carbonate (CaCO3)
sedimentary
Sandstone
SiO2 (predominantly quartz sand)
sedimentary
Sandstone
Sedimentary Rock (Quartz arenite / Lithic sandstone)
sedimentary
Quartzite
Metamorphic Quartzite (SiO2)
metamorphic
Diorite
Diorite
igneous
Green Aventurine
Silicon Dioxide (SiO2) with inclusions of Fuchsite (Mica)
mineral
Granite
Granite (Felsic Plutonic Rock)
igneous
Granite
Intrusive Felsic Igneous Rock (composed of Quartz, Potassium Feldspar, Plagioclase Feldspar, and Biotite/Amphibole)
igneous
Granite
Granite (composed primarily of Quartz SiO2, Orthoclase KAlSi3O8, and Plagioclase NaAlSi3O8 to CaAl2Si2O8)
Igneous
Picasso Jasper (Picasso Stone)
Metamorphosed Calcium Carbonate (Silicified Limestone)
sedimentary
Green Aventurine
Silicon Dioxide with Fuchsite inclusions (SiO2 + K(Al,Cr)2AlSi3O10(OH)2)
mineral
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2)
metamorphic
Red Jasper
Silicon Dioxide (SiO2) with Iron inclusions
sedimentary
Unakite
Unakite (Altered Granite)
metamorphic
Red Jasper
Silicon Dioxide (SiO2) - Chalcedony
mineral
Pink Granite
Felsic Plutonic Rock (Granite)
igneous
Red Sandstone
Quartzose Sandstone (SiO2)
sedimentary
Granite
Phaneritic Intrusive Igneous Rock (primarily Quartz, Feldspar, and Mica)
igneous
Agate
Silicon dioxide (Chalcedony), SiO2
sedimentary
Coprolite
Coprolite (fossilized feces)
sedimentary
Chert (Jasper variety)
Microcrystalline Quartz (SiO2)
sedimentary
Red Howlite (Dyed)
Calcium Borosilicate Hydroxide (Ca2B5SiO9(OH)5) with Red Dye
mineral
Red jasper (likely polished and carved)
Jasper, an opaque microcrystalline variety of quartz (SiO₂), colored mainly by iron oxides
gemstone
Green Aventurine
Quartz (Silicon Dioxide, SiO2) with fuchsite inclusions
mineral
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2 with iron oxide inclusions)
metamorphic
Sandstone
Arenite
sedimentary
Pink Granite
Granite (Phaneritic igneous rock)
igneous
Botryoidal Chalcedony with Iron Staining
Microcrystalline Quartz (SiO2)
mineral
Carnelian Agate
Chalcedony (Silicon Dioxide, SiO2)
mineral
Green Aventurine
Quartz (Silicon Dioxide, SiO2) with fuchsite inclusions
mineral
Banded Calcite (often sold as Onyx or Mexican Onyx)
Calcite (CaCO3)
sedimentary
Sodalite
Sodalite (Sodium Aluminum Silicate Chloride) - Na8(Al6Si6O24)Cl2
mineral
Red Jasper
Silicon Dioxide with Iron inclusions (SiO2)
sedimentary
Granite
Granite (Phaneritic intrusive igneous rock)
igneous
Dragon Blood Jasper (Dragon Stone / Epidote-Piemontite/Jasper rock)
Epidote with Piemontite / Chalcedony aggregate
metamorphic
Red Jasper
Silicon Dioxide (SiO2) with Hematite inclusions
sedimentary