Unakite
Altered Granite (Epidotized Granite)
metamorphic
Category
Carved Stone
Browse carved stone specimens identified by the Rock Identifier community.
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Jewelry with a heart-shaped purple gemstone and an oval shell cameo
Purple stone is possibly amethyst (quartz, SiO₂); cameo is likely carved shell, commonly *Cypraecassis rufa* or *Cassidae* shell
gemstone
Polished tiger’s-eye pebble
Quartz (SiO₂), chatoyant fibrous variety; commonly partly altered crocidolite
mineral
Granite
Phaneritic Felsic Plutonic Rock
igneous
Green Aventurine
Quartz variety with fuchsite inclusions (SiO2)
mineral
Granodiorite
Phaneritic Plutonic Rock (Granodiorite)
igneous
Sandstone
Arenite (composed primarily of SiO2)
sedimentary
Red Jasper
Silicon Dioxide (SiO2)
sedimentary
Agate
Silicon dioxide (SiO2)
gemstone
Soapstone
Steatite
metamorphic
Petrified Wood
Silicified wood (SiO2)
sedimentary
Diorite (Pebble)
Diorite
igneous
Green Aventurine
Quartz with fuchsite inclusions (SiO2)
mineral
Red Aventurine
Quartz with hematite or goethite inclusions (SiO2)
mineral
Banded Agate (Chert / Chalcedony)
Silicon Dioxide (SiO2)
mineral
Yellow Jasper Sphere
Microcrystalline Quartz (SiO2 with iron oxide/hydroxide impurities)
sedimentary
Unakite
Altered granitic rock (epidosite/unakite)
metamorphic
Bloodstone (Heliotrope)
Silicon Dioxide (SiO2) with Iron Oxide / Chlorite inclusions
mineral
Granite
Granite (composed primarily of Quartz, Feldspar, and Mica)
igneous
Red Jasper
Jasper (Silicon Dioxide, SiO2)
sedimentary
Sandstone
Arenite (primarily SiO2)
sedimentary
Granite
Granite (Felsic Plutonic Rock)
igneous
Jasper
Microcrystalline quartz (SiO2)
sedimentary
Carnelian
Silicon Dioxide (SiO2) with iron oxide impurities
mineral
Limestone (specifically Fossiliferous Limestone)
Calcium Carbonate (CaCO3)
sedimentary
Sandstone
Clastic Sedimentary Rock
sedimentary
Granite
Phaneritic Igneous Rock (primarily Quartz, Feldspar, and Mica)
igneous
Granite
Granite
igneous
Red Sandstone
Sedimentary rock primarily composed of quartz sand grains
sedimentary
Carved Gemstone Mushroom
Quartz / Feldspar composite (Carved lapidary art)
gemstone
Unakite
Altered Granite (Orthoclase Feldspar, Epidote, and Quartz)
metamorphic
Red Jasper
Silicon Dioxide (SiO2) with Iron Oxide inclusions
sedimentary
Sandstone
Sedimentary Rock (Quartz arenite/Arkose)
sedimentary
Jadeite Bangle
NaAlSi2O6 (Jadeite pyroxene mineral aggregate)
gemstone
Jasper
Microcrystalline Quartz (SiO2)
sedimentary
Dalmation Stone
Peralkaline Rock (mixed silicate minerals)
igneous
Carved jade pendant
Likely nephrite jade, a calcium-magnesium amphibole; exact identity cannot be confirmed from the image
gemstone
Sandstone (Cut Dimension Stone)
Arenite / Quartzose Sandstone (primarily SiO2)
sedimentary
Sandstone
Sedimentary Rock (Quartz arenite)
sedimentary
Sandstone
Quartz Arenite / Clastic Sedimentary Rock
sedimentary
Dark green-black tumbled stone, possibly nephrite jade
Undetermined; possible nephrite (tremolite–actinolite, Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂)
metamorphic
Green Aventurine
Quartz (SiO2) with fuchsite inclusions
mineral