Unakite
Altered Granite (composed of orthoclase feldspar, epidote, and quartz)
metamorphic
Category
Carved Stone
Browse carved stone specimens identified by the Rock Identifier community.
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Howlite
Calcium Borosilicate Hydroxide (Ca2B5SiO9(OH)5)
mineral
Jadeite Carving (Pixiu)
Jadeite (NaAlSi2O6)
gemstone
Sandstone
Arenite (primarily Quartz-rich)
sedimentary
Sandstone Flagstone
Arenite (SiO2 with various cementing agents)
sedimentary
Gypsum (variety Selenite or Alabaster)
Calcium sulfate dihydrate (CaSO4·2H2O)
Mineral
Sandstone
Arenite (SiO2 based with various cements)
sedimentary
Sandstone
Arenite
sedimentary
Sandstone
Arenite (primarily SiO2)
sedimentary
Carrara Marble
Metamorphosed Limestone (principally Calcium Carbonate, CaCO3)
metamorphic
Sandstone
Arenite (primarily SiO2)
sedimentary
Rhodonite
Rhodonite (Mn, Fe, Mg, Ca)SiO3
mineral
Sodalite
Na8(Al6Si6O24)Cl2
mineral
Lepidolite
K(Li,Al)3(Al,Si,3O10)(F,OH)2
mineral
Polished Ocean Jasper
Silicon Dioxide (Chalcedony/Quartz), SiO2
gemstone
Argillite / Mudstone
Argillaceous sedimentary rock
sedimentary
Blue Apatite
Fluorapatite / Apatite group (Ca5(PO4)3(F,Cl,OH))
mineral
Carnelian (Chalcedony)
Silicon Dioxide (SiO2)
mineral
Garden Quartz (Lodolite / Inclusion Quartz)
Quartz with inclusions (SiO2 with various mineral inclusions)
gemstone
Sphalerite with Agate and Druzy Quartz
Zinc Sulfide (ZnS) with Silicon Dioxide (SiO2)
mineral
Rough amethyst-bearing quartz specimens
Quartz, SiO₂; purple coloration from trace iron and irradiation
mineral
Amethyst Cluster
Silicon Dioxide (SiO2 with iron impurities)
mineral
Rose Quartz Druzy
Silicon Dioxide (SiO2)
mineral
Rose Quartz
Quartz (SiO2) with trace amounts of titanium, iron, or manganese
Mineral
Zebra Marble
Metamorphosed Alabaster/Limestone (CaCO3)
metamorphic
Ruby in Zoisite
Anyolite (Zoisite with Corundum)
metamorphic
Granite
Phaneritic Intrusive Igneous Rock (primarily composed of SiO2, Al2O3, K2O, Na2O)
igneous
Snowflake Obsidian
Volcanic Glass with Spherulite inclusions (Chemical composition: 70–75% SiO2 + MgO, Fe3O4)
igneous
Amethyst Geode (Carved)
Amethyst (Violet Crystalline Quartz - SiO2)
mineral
Red Jasper
Microcrystalline Quartz (SiO2) with iron oxide impurities
sedimentary
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2 with iron inclusions)
metamorphic
Rose Quartz
Silicon Dioxide (SiO2)
gemstone
Carnelian Agate
Silicon Dioxide (SiO2) - Variety of Chalcedony
mineral
Carnelian (a variety of Chalcedony)
Silicon Dioxide (SiO2) with iron oxide impurities
mineral
Red Jasper
Silicon Dioxide with Iron inclusions (SiO2)
sedimentary
Black Obsidian
Amorphous volcanic glass (SiO2)
igneous
Carnelian (Red Chalcedony)
Silicon Dioxide (SiO2)
mineral
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2 with iron inclusions)
metamorphic
Carnelian (Chalcedony)
Silicon Dioxide (SiO2)
mineral
Blue Quartz (Aventurine)
Silicon Dioxide (SiO2) with inclusions of Dumortierite or Magnesio-riebeckite
mineral
Unakite
Epidotized Granite
metamorphic
Carnelian
SiO2 (Silicon Dioxide with Iron Oxide impurities)
mineral