Carnelian
SiO2 (Silicon Dioxide) - Carnelian Agate/Chalcedony
Category
Browse carved stone specimens identified by the Rock Identifier community.
Carnelian
SiO2 (Silicon Dioxide) - Carnelian Agate/Chalcedony
Himalayan Salt (Halite)
Halite (NaCl) with trace minerals
Obsidian
Obsidian (Volcanic Glass)
Satin Spar (Selenite)
Gypsum (CaSO4·2H2O)
Carnelian
Silicon Dioxide (Chalcedony variety)
Jasper (Green variety)
Silicon Dioxide (SiO₂)
Bloodstone / Heliotrope
Cryptocrystalline Quartz (SiO2 with inclusions)
Sodalite
Sodium Aluminum Silicate Chloride (Na8(Al6Si6O24)Cl2)
Black Onyx
Silicon dioxide (SiO2) with parallel banded structure
Carnelian
SiO2 (Silicon Dioxide), a variety of Chalcedony
Banded Agate (specifically Sardonyx or Red Agate)
Silicon Dioxide (SiO2)
Black Obsidian
Volcanic Glass (predominantly SiO2, Silicon Dioxide)
Sandstone
Sedimentary Rock (Quartz Sandstone)
Clear Quartz Cluster
Silicon Dioxide (SiO2)
Amber
Fossilized Tree Resin (C10H16O)
Black Tourmaline (Schorl)
NaFe3+3Al6(BO3)3Si6O18(OH)4
Carnelian
Silicon Dioxide (Quartz variety, SiO2)
Fire Agate
SiO2 (Silicon Dioxide with Iron Oxide inclusions)
Cinnabar
Mercury(II) sulfide (HgS)
Strawberry Quartz
Quartz (SiO2) with inclusions of Goethite or Hematite
Carnelian (a variety of Chalcedony)
Silicon dioxide (SiO2) with iron oxide impurities
White Marble (often sold as Caribbean Calcite or Pistachio Calcite in this form)
Recrystallized Calcite (CaCO3)
Jadeite Jade
NaAlSi2O6 (Sodium Aluminum Silicate)
Banded Calcite (often marketed as 'Mexican Onyx')
Calcite (Calcium Carbonate, CaCO3)
Banded Calcite (often sold as 'Ocean Jasper' or 'Caribbean Calcite' variant)
Calcium Carbonate (CaCO3) with potential Aragonite inclusions
Amethyst
Quartz (Silicon Dioxide, SiO2) with iron impurities
Peach Selenite / Orange Gypsum
Calcium Sulfate Dihydrate (CaSO4·2H2O)
Fluorite
Calcium Fluoride (CaF2)
Marble
Metamorphosed Limestone (CaCO3)
Marble
Metamorphic Rock (composed primarily of recrystallized calcite, CaCO3, or dolomite)
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Satin Spar (often marketed as Selenite)
Fibrous Gypsum (CaSO4·2H2O)
Tumbled rose quartz (likely)
Quartz, silicon dioxide (SiO₂), probably rose quartz
Carnelian
SiO2 (Variety of Chalcedony)
Rose Quartz
Silicon Dioxide (SiO2)
Rose Quartz
Quartz (Silicon Dioxide, SiO2)
Carnelian
Silicon Dioxide (Chalcedony variety), SiO2
Howlite
Howlite (Ca2B5SiO9(OH)5)
Rose Quartz
Silicon Dioxide (SiO2)
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2)
Carnelian (Agate)
SiO2 (Silicon Dioxide with Iron Oxide inclusions)
Rose Quartz
Silicon Dioxide (SiO2)