Larimar
Pectolite (NaCa2Si3O8(OH))
mineral
Category
Carved Stone
Browse carved stone specimens identified by the Rock Identifier community.
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Yellow Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
sedimentary
Jasper
Jasper (Silicon Dioxide, SiO2)
sedimentary
Rough Citrine Quartz
Silicon Dioxide (SiO2) with ferric iron impurities
mineral
Polished orbicular jasper (likely kambaba jasper)
Silicified microcrystalline quartz/chalcedony, commonly with chlorite- or amphibole-rich orbicules; composition varies
metamorphic
Dragon Blood Jasper
Epidote-containing Quartz and Chlorite (SiO2 + (Ca2(Al, Fe)3(SiO4)3(OH)))
sedimentary
Picture Jasper
Tectonically broken chalcedony (SiO2)
sedimentary
Tumbled red jasper or carnelian
Cryptocrystalline quartz (chalcedony), SiO₂, likely iron-oxide colored
gemstone
Basalt with Iron Oxidation
Extrusive Igneous Rock (Mafic)
igneous
Red Siltstone
Siltstone
sedimentary
Quartzite
Metamorphic Quartzite (SiO2)
metamorphic
Porphyry (specifically Porphyritic Andesite / Rhyolite)
Porphyritic Igneous Rock
igneous
Pink Granite (Glacial Cobble)
Granite (rich in Potassium Feldspar / Orthoclase)
igneous
Basalt or Slag
Extrusive Igneous Rock / Industrial Slag
igneous
Chert Nodule in Limestone
Sedimentary rock comprising microcrystalline quartz (chert) and calcium carbonate (limestone)
sedimentary
Conglomerate
Polymictic Conglomerate
sedimentary
Granite with Epidote
Phaneritic intrusive igneous rock with Epidote (Ca2(Al2,Fe)(SiO4)(Si2O7)O(OH))
igneous
Yellow Quartz River Pebble
Silicon Dioxide (SiO2)
mineral
Gneiss
Gneiss
metamorphic
Gneiss
Gneiss (High-grade Metamorphic Rock)
metamorphic
Sandstone (likely with Quartz Veining)
Arenite (primarily SiO2)
sedimentary
Quartz
Silicon Dioxide (SiO2)
mineral
Granite Pebble
Granite (Felsic Plutonic Rock)
igneous
Quartzite pebble
Quartzite (SiO2)
metamorphic
Concrete Fragment
Hardened Portland cement and mineral aggregate
sedimentary (anthropogenic)
Fossilized Coral
Rugosa / Tabulata coral fossils replaced by silica (Chalcedony/Quartz)
fossil
Tiger's Eye
Pseudomorph of Chalcedony (SiO2) after Crocidolite
metamorphic
Citrine
Silicon Dioxide (SiO2)
mineral
Eagle Eye Stone (Gray-Blue Tiger's Eye)
Pseudomorph of Quartz after Crocidolite (SiO2)
mineral
Red Jasper
Jasper (Silicon Dioxide, SiO2 with iron oxide impurities)
sedimentary
Nephrite Jade
Nephrite (Ca2(Mg, Fe)5Si8O22(OH)2)
metamorphic
Yellow Jasper
Silicon Dioxide (SiO2) - Impure Cryptocrystalline Quartz
sedimentary
Chrysocolla in Malachite
Cu2CO3(OH)2 (Malachite) / Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O (Chrysocolla)
mineral
Porphyritic Basalt
Basalt (with plagioclase phenocrysts)
igneous
Yellow Chert (River Stone/Pebble)
Chert (Cryptocrystalline Quartz, SiO2)
sedimentary
Unakite
Epidotized Granite
metamorphic
Sandstone (Banded)
Clastic Sedimentary Rock (composed of SiO2, CaCO3, or Fe2O3 cement)
sedimentary
Feldspar-rich Granite (Pink Granite)
Phaneritic Felsic Igneous Rock
igneous
Red Jasper (Polished)
Silicon Dioxide (SiO2) with Hematite inclusions
sedimentary
Basalt
Basalt (comprised primarily of plagioclase, pyroxene, and olivine)
igneous
Dalmatian Jasper
Dalmatian Stone (comprised of Feldspar, Quartz, and Arfvedsonite)
igneous
Orange Quartzite
Quartzite (primarily SiO2)
metamorphic