Sandstone
Arenite (primarily SiO2)
sedimentary
Category
Carved Stone
Browse carved stone specimens identified by the Rock Identifier community.
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Sandstone
Sedimentary Rock (Quartz arenite / Lithic sandstone)
sedimentary
Septarian Nodule (Polished)
Septarian concretion (Calcite, Aragonite, Limestone)
sedimentary
Granite
Granite (composed primarily of Quartz SiO2, Orthoclase KAlSi3O8, and Plagioclase NaAlSi3O8 to CaAl2Si2O8)
Igneous
Diorite
Diorite (intermediate intrusive igneous rock)
igneous
Gneiss (Granitic Gneiss)
Gneiss (composed mainly of quartz, K-feldspar, plagioclase, and biotite)
metamorphic
Diorite
Phaneritic plutonic rock (dominated by plagioclase feldspar and hornblende)
igneous
Green Fluorite
Calcium Fluoride (CaF2)
mineral
Yellow Aventurine
Silicon Dioxide (Quartz) with inclusions (SiO2)
Metamorphic rock
Coprolite
Coprolite (fossilized feces)
sedimentary
Diorite (Dalmatian Stone variant)
Phaneritic Plutonic Igneous Rock (Medium to Fine-grained Diorite)
igneous
Carved Gemstone Mushroom
Quartz / Feldspar composite (Carved lapidary art)
gemstone
Pink Granite
Felsic Plutonic Rock (Granite)
igneous
Granite
Granite (primarily Quartz, Feldspar, and Mica)
igneous
Green Aventurine
Silicon Dioxide (Quartz with Fuchsite inclusions), SiO2
mineral
Granite
Granitoid (SiO2 typically > 69%)
igneous
Sandstone (likely Quartz Sandstone)
Arenite (SiO2 based)
sedimentary
Sandstone (with Calcite or Silica veins)
Clastic sedimentary rock (primarily SiO2)
sedimentary
Diorite
Diorite (Intermediate intrusive igneous rock)
igneous
Dalmation Stone
Peralkaline Rock (mixed silicate minerals)
igneous
Sandstone
Arenite (SiO2 based)
sedimentary
Banded Agate (Chert / Chalcedony)
Silicon Dioxide (SiO2)
mineral
Red Jasper
Silicon Dioxide with Iron Oxide impurities (SiO2 + Fe2O3)
sedimentary
Green Aventurine
Quartz (SiO2) with fuchsite inclusions
mineral
Red Jasper
Silicon Dioxide (Microcrystalline Quartz), SiO2
sedimentary
Hematite Nodule
Hematite (Fe2O3)
mineral
Jasper and Quartz Breccia
Silica breccia (SiO2)
sedimentary
Green Aventurine
Quartz (SiO2) with fuchsite inclusions
mineral
Unakite
Altered granite (Epidotized granite)
metamorphic
Tumbled Onyx / Black Chalcedony
Silicon Dioxide (SiO2)
mineral
Banded Serpentinite (Beach Pebble)
Serpentine-group silicate rock ((Mg,Fe,Ni,Al,Zn,Mn)3(Si,Fe,Al)2O5(OH)4)
metamorphic
Carnelian
SiO2 (Silicon Dioxide) - Translucent Chalcedony
mineral
Granite
Phaneritic Intrusive Igneous Rock (primarily Quartz, Feldspar, and Mica)
igneous
Diorite
Diorite (Intermediate intrusive igneous rock)
igneous
Unakite
Epidotized Granite
metamorphic
Diorite
Diorite (intermediate intrusive igneous rock)
igneous
Milky quartz
Quartz, silicon dioxide (SiO₂)
mineral
Carnelian
Silicon Dioxide (Quartz variety), SiO2
mineral
Blue Lace Agate
Silicon Dioxide (SiO2)
mineral
Moss Agate
Silicon Dioxide with inclusions (SiO2 + Fe/Mn/Mg)
mineral
Serpentinite
Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4
metamorphic
Red Jasper
Silicon dioxide (SiO2) with iron oxide inclusions
mineral