Carnelian
Carnelian (SiO2 - Silicon Dioxide with Iron Oxide impurities)
mineral
Category
Carved Stone
Browse carved stone specimens identified by the Rock Identifier community.
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Bloodstone (Heliotrope)
SiO2 (Silicon Dioxide with inclusions of Chlorite, Amphibole, or Hematite)
mineral
Heliotrope (Bloodstone)
Chalcedony variety Quartz (SiO2) with hematite/chlorite inclusions
mineral
Rose Quartz
Silicon Dioxide (SiO2) with trace elements of titanium, iron, or manganese
mineral
Waterworn greenstone pebble
Likely serpentinite or chlorite-rich metamorphic rock; exact identification requires testing
metamorphic
Petrified Wood
Silicified wood (Quartz/Chalcedony)
Sedimentary
Basalt
Aphanitic Mafic Igneous Rock
igneous
Diorite
Diorite
igneous
Carnelian
Carnelian (Silicon Dioxide, SiO2)
mineral
Hematite
Iron Oxide (Fe2O3)
mineral
Howlite
Ca2B5SiO9(OH)5
mineral
Green serpentine
Serpentine-group minerals, chiefly lizardite and antigorite; approximate formula Mg₃Si₂O₅(OH)₄
metamorphic
Carnelian Agate
Silicon Dioxide (SiO2)
mineral
Red Jasper
Microcrystalline Quartz (SiO2) with iron oxide inclusions
sedimentary
Orbicular jasper (likely ocean jasper)
Silica-rich microcrystalline quartz/chalcedony with iron-oxide and feldspar inclusions; commonly marketed as Ocean Jasper
mineral
Calcite (or Alabaster, if truly carved)
Calcium Carbonate (CaCO3)
Mineral/Rock
Diorite
Phaneritic Intermediate Plutonic Rock (Diorite)
igneous
Aragonite (specifically Mexican Marbled Onyx)
Aragonite (Calcium Carbonate, CaCO3)
mineral
Carnelian
Carnelian (SiO2 with Fe2O3 impurities)
mineral
Yellow Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
sedimentary
Yellow Jasper
Silicon Dioxide (SiO2) with iron oxide impurities
mineral
Chert (Yellow Jasper)
Microcrystalline Quartz (SiO2)
sedimentary
Crazy Lace Agate
Silicon Dioxide (SiO2) with iron and aluminum inclusions
sedimentary mineral
White Marble
Recrystallized Calcite (CaCO3)
metamorphic
Jadeite Jade
Jadeite, NaAlSi2O6
gemstone
Carnelian Agate
Silicon Dioxide (Chalcedony variety), SiO2
gemstone
Yellow Chalcedony
SiO2 (Silicon Dioxide)
mineral
Banded Agate (Lake Superior Agate / Sardonyx)
Silicon Dioxide (SiO2)
mineral
Nephrite Jade Ring
Nephrite (Ca2(Mg,Fe)5Si8O22(OH)2)
gemstone
Jade Bangle (Jadeite)
Jadeite (NaAlSi2O6)
gemstone
Botryoidal Chalcedony (Agate)
Silicon Dioxide (SiO2)
mineral
Desert Rose (Gypsum/Barite)
Gypsum (CaSO4·2H2O) or Barite (BaSO4) inclusion
sedimentary
Picture Jasper
SiO2, Microcrystalline Quartz
mineral
Dalmatian Stone (often called Dalmatian Jasper)
Peralkaline Quartz-Feldspar Rock with Arfvedsonite (formerly believed to be Jasper)
igneous
Selenite (Satin Spar)
Calcium Sulfate Dihydrate (CaSO4·2H2O)
mineral
Amazonite (microcline feldspar)
K(AlSi3O8) - Potassium Aluminum Silicate
mineral
Yellow Jasper
Chalcedony (SiO2) with iron oxide inclusions
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Moss Agate
Silicon Dioxide with inclusions (SiO2)
mineral
Carnelian
Carnelian (Silica/Chalcedony, SiO2)
mineral
Gold Sheen Obsidian
Volcanic Glass (SiO2 + impurities)
igneous
Cream Marble (Speckled)
Metamorphosed Limestone (mainly CaCO3)
metamorphic