Bloodstone (Heliotrope)
Silicon Dioxide (SiO2) with Iron Oxide inclusions
mineral
Category
Igneous (Anthropogenic)
Browse igneous (anthropogenic) specimens identified by the Rock Identifier community.
Pyrite
Iron Sulfide (FeS2)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Clear Quartz (Carved Merkaba)
Silicon Dioxide (SiO2)
mineral
Olivine (Peridot when gem-quality)
Magnesium Iron Silicate (Mg,Fe)2SiO4
mineral
Carnelian Agate
Silicon Dioxide (SiO2) with iron oxide inclusions
mineral
Rose Quartz
Silicon Dioxide (SiO2) with trace impurities of Ti, Mn, or Fe
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz (Milk Quartz / Massive Quartz)
Silicon Dioxide (SiO2)
mineral
Quartz Mineral
Silicon Dioxide (SiO2)
mineral
Sodalite
Sodalite - Na8(Al6Si6O24)Cl2
mineral
Epidote in Quartz (Epidosite)
Epidote (Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH))
metamorphic
Blue Lace Agate
Silicon Dioxide (SiO2) - Variety of Chalcedony
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz / Milky Quartz
Silicon Dioxide (SiO2)
mineral
Citrine
Crystalline Quartz (SiO2) with iron impurities
mineral
Turquoise
CuAl6(PO4)4(OH)8·4H2O
mineral
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
mineral
Lapis Lazuli
Lapis Lazuli (Rock containing Lazurite, Calcite, and Pyrite)
metamorphic
Sodalite
Na8(Al6Si6O24)Cl2
mineral
Black Tourmaline
Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)
mineral
Fluorite
Calcium Fluoride (CaF2)
mineral
Citrine
Citrine (Silicon Dioxide - SiO2)
mineral
Amethyst
Amethyst (Silicon Dioxide, SiO2)
mineral
Gneiss
Gneiss
metamorphic
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Sunstone
Oligoclase (Feldspar variety), (Na,Ca)(Si,Al)4O8
mineral
Quartz (Milky/Crystal Variety)
Silicon Dioxide (SiO2)
mineral
Smoky Quartz
SiO2 (Silicon Dioxide)
mineral
Peach Moonstone
Potassium Aluminum Silicate, KAlSi3O8
mineral
Quartz Geode Fragment
Silicon Dioxide (SiO2)
mineral
Blue Lace Agate
Chalcedony (Silicon Dioxide, SiO2)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Amazonite
KAlSi3O8 (Potassium Aluminum Silicate)
mineral
Zoisite with Ruby (Anyolite)
Zoisite – Ca2Al3(SiO4)3(OH) with inclusions of Ruby (Al2O3:Cr)
metamorphic
Banded Agate (specifically Carnelian Agate)
Silicon dioxide (SiO2) - Chalcedony variety
mineral
Chalcedony (Agate)
Silicon Dioxide (SiO2)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Quartz (Milky/Clear variety)
Silicon Dioxide (SiO2)
mineral