Jasper with Pyrite (Gold-colored inclusions)
Silicon Dioxide (SiO2) with Iron Disulfide (FeS2) inclusions
sedimentary (chemical/biological)
Category
Carved Stone
Browse carved stone specimens identified by the Rock Identifier community.
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Dalmation Stone
Peralkaline rhyolite (SiO2 with Arfvedsonite/Riebeckite)
igneous
Dalmation Stone
Dalmation Jasper (Igneous microcrystalline quartz with arfvedsonite)
igneous
Basalt
Basalt (Extrusive Mafic Igneous)
igneous
Diorite
Diorite (Plagioclase feldspar and amphibole/biotite)
igneous
Quartzite
Metamorphosed sandstone (primarily SiO2)
metamorphic
Petoskey Stone
Hexagonaria percarinata (Fossilized Rugose Coral)
sedimentary
Granite Pebble
Granite (Felsic intrusive igneous rock)
igneous
Dragon Stone
Ohko Stone (Argillaceous sedimentary rock)
sedimentary
Blue Howlite (Dyed)
Calcium Borosilicate Hydroxide (Ca2B5SiO9(OH)5)
mineral
Tumbled quartzite or quartz-rich stone
Quartzite; predominantly microcrystalline quartz (SiO₂)
metamorphic
Diamond jewelry
Diamond (crystalline carbon, C)
gemstone
Green cabochon gemstone pendant
Indeterminate; likely dyed green turquoise, chrysoprase, or opaque beryl set with blue/clear accent stones
gemstone
Granodiorite
Granodiorite
igneous
Weathered granitoid (likely granite or granitic gneiss)
Granite; chiefly quartz, feldspar, and mica (exact identification uncertain from the photo)
igneous
Blue Quartz (Dumortierite Quartz)
Silicon Dioxide (SiO2) with inclusions of Dumortierite (Al7BO3(SiO4)3O3)
mineral
Porphyritic Basalt (Chinese Writing Stone or Flower Stone)
Porphyritic Basalt / Porphyry
igneous
Engineered Quartz
Silicon dioxide composite
manufactured stone
Basalt (River Stone)
Afanitic Basalt (primarily Plagioclase Feldspar and Pyroxene)
igneous
Basalt River Stone
Basalt (Aphanitic Mafic Igneous Rock)
igneous
Dalmatian Stone and Lapis Lazuli
Dalmatian Stone (Felsic Igneous Rock) with Lapis Lazuli
igneous
Quartzite
Metamorphic rock primarily composed of Quartz (SiO2)
metamorphic
Fluorite
Fluorite (Calcium Fluoride, CaF2)
Mineral
Fossilized Coral (Petoskey Stone or similar)
Hexagonaria percarinata (Order: Rugosa)
sedimentary
Petoskey Stone (Fossilized Coral)
Hexagonaria percarinata
sedimentary
Petoskey Stone (Fossilized Coral)
Hexagonaria percarinata (CaCO3)
sedimentary
Asphalt / Road Aggregate
Bituminous Conglomerate (synthetic)
sedimentary
Citrine
SiO2 (Silicon Dioxide)
mineral
Citrine Quartz
Silicon Dioxide (SiO2)
mineral
Citrine Quartz
Silicon Dioxide (SiO2)
mineral
Red Jasper
Red Jasper (SiO2) with Hematite inclusions
sedimentary
Rhodonite
Manganese Silicate (Mn,Fe,Mg,Ca)SiO3
mineral
Red Jasper
Microcrystalline Quartz (SiO2) with Hematite impurities
sedimentary
Citrine
Crystalline Quartz (SiO2) with iron impurities
mineral
Red Jasper
Silicon Dioxide (SiO2) with Hematite inclusions
sedimentary
Quartzite (River Stone)
Quartzite (SiO2)
metamorphic
Basalt (with possible weathering)
Basalt
igneous
Dyed Crackle Quartz/Agate (resembling Watermelon Tourmaline)
SiO2 (Silicon Dioxide)
Mineral/Treated
Red Sandstone
Sandstone (Quartz Arenite / Arkose with Hematite cement)
sedimentary
Gneiss (Metamorphic Rock)
Gneiss
metamorphic
Red Jasper
Silicon Dioxide (SiO2) with hematite inclusions
sedimentary
Citrine Quartz
Macrocrystalline Quartz (SiO2)
mineral