Satin Spar (Selenite)
Gypsum (Calcium Sulfate Dihydrate) - CaSO4·2H2O
Category
Browse carved stone specimens identified by the Rock Identifier community.
Satin Spar (Selenite)
Gypsum (Calcium Sulfate Dihydrate) - CaSO4·2H2O
Carnelian (a variety of Chalcedony)
Silicon Dioxide (SiO₂)
Serpentine
Serpentinite (rock) containing serpentine minerals (e.g., Antigorite, Lizardite, Chrysotile)
Anthracite Coal
Anthracite (Metamorphosed Bituminous Coal)
Rose Quartz
Silicon Dioxide (SiO2)
Soapstone
Steatite (composed primarily of Talc, Mg3Si4O10(OH)2)
Orange Calcite
Calcite (Calcium Carbonate, CaCO3)
Sandstone
Arenite (composed primarily of SiO2)
Pink Granite (Alkali Feldspar Granite)
Phaneritic Plutonic Felsic Rock (SiO2, KAlSi3O8, NaAlSi3O8)
Nephrite Jade
Nephrite (Ca2(Mg, Fe)5Si8O22(OH)2), a variety of Actinolite-Tremolite
Rose Quartz
Silicon Dioxide (SiO2) with traces of titanium, iron, or manganese
Nephrite Jade
Tremolite-Actinolite solid solution (Ca2(Mg,Fe)5Si8O22(OH)2)
Himalayan Pink Salt
Halite (NaCl) with iron oxide inclusions
Orange Calcite
Calcium Carbonate (CaCO3)
Black Obsidian
Obsidian (Volcanic Glass, rich in SiO2)
Carnelian
SiO2 (Silicon Dioxide with Iron Oxide impurities)
Rose Quartz
Silicon dioxide (SiO2)
Red Jasper
Silicon Dioxide (SiO2) with Hematite inclusions
Red Jasper
Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3)
Red Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Honey Calcite
Calcite (Calcium Carbonate - CaCO3)
Chalcedony
Cryptocrystalline Quartz (SiO2)
Obsidian
Obsidian (Volcanic Glass, complex silicate)
Rose Quartz
Silicon Dioxide (SiO2)
Sodalite
Sodalite Na8(Al6Si6O24)Cl2
Red Jasper
Silicon Dioxide with Hematite inclusions (SiO2 + Fe2O3)
Carnelian (Agate/Chalcedony)
Silicon Dioxide (SiO2)
Satin Spar (Gypsum variety)
Calcium Sulfate Dihydrate (CaSO4·2H2O)
Satin Spar (Selenite)
Gypsum (Calcium Sulfate Dihydrate) - CaSO4·2H2O
Yellow Chalcedony (Agate)
Silicon Dioxide (SiO2)
Red Jasper
Jasper (Silicon Dioxide based crypto-crystalline Quartz with Iron inclusions)
Red Jasper
Jasper (Silica/Silicon Dioxide, SiO2 plus iron inclusions)
Green Aventurine
Quartzite with Fuchsite inclusions (SiO2 + K(Al,Cr)2AlSi3O10(OH)2)
Pink Chalcedony
Silicon Dioxide (SiO2)
Green Fluorite
Fluorite (Calcium Fluoride, CaF2)
Mother of Pearl (Nacre)
Nacre (Aragonite/Conchiolin), CaCO3 + Organic Polymers
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Rose Quartz
Silicon Dioxide (SiO2)
Carnelian Agate
Silicon Dioxide (SiO2)
Black Jasper
Silicon Dioxide (SiO2) with inclusions
Red Jasper
Silicon Dioxide (SiO2) - Microcrystalline Quartz
White Marble
Recrystallized Calcite (CaCO3)