Blue Apatite
Fluorapatite (Ca5(PO4)3F)
mineral
Category
Not A Rock (Animated Character)
Browse not a rock (animated character) specimens identified by the Rock Identifier community.
Opal
Hydrated Amorphous Silica (SiO2·nH2O)
Mineral
Picture Jasper
Silicon Dioxide (SiO2) with iron oxide and clay impurities
sedimentary
Moonstone (Variety of Orthoclase Feldspar)
KAlSi3O8 (Potassium Aluminum Silicate)
mineral
Amethyst
Silicon Dioxide with Iron impurities (SiO2)
mineral
Red Jasper
Silicon Dioxide with Hematite impurities (SiO2 + Fe2O3)
mineral
Almandine Garnet
Almandine (Fe3Al2(SiO4)3)
mineral
Epidosite (Unakite-related)
Epidosite (predominantly Epidote, Ca2(Al2,Fe3+)(SiO4)3(OH))
metamorphic
Celestine (Celestite)
Strontium sulfate (SrSO4)
mineral
Amethyst Quartz
Amethyst (SiO2 with Iron impurities)
mineral
Bornite (Peacock Ore)
Bornite (Cu5FeS4)
mineral
Amethyst (Quartz)
Amethyst (Silicon Dioxide with Iron impurities), SiO2
mineral
Limonite (Iron Ore)
Limonite (an amorphous mixture of hydrated iron oxides, primarily FeO(OH)·nH2O)
mineral
Ferruginous Sandstone (Ironstone Nodules)
Ferruginous Sandstone with Limonite/Goethite coating (Fe2O3·H2O)
sedimentary
Lapis Lazuli
Lapis Lazuli (Metamorphic rock containing lazurite (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2, calcite, and pyrite)
metamorphic
Moonstone (Feldspar variety)
Orthoclase Feldspar (KAlSi3O8)
mineral
Agate
Silicon Dioxide (SiO2)
mineral
Green Aventurine
Silicon Dioxide (SiO2) with Fuchsite inclusions
Mineral (Variety of Quartz)
Agate
Silicon Dioxide (SiO2) - Chalcedony variety
mineral
Copper-bearing Quartz (with Malachite and Iron Oxides)
Quartz (SiO2) with Malachite (Cu2CO3(OH)2) and Hematite/Limonite (Fe2O3)
Mineral Specimen
Larvikite
Larvikite (Anorthoclase-rich Monzonite)
igneous
Lapis Lazuli
Lapis Lazuli (Aggregate of Lazurite (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2, Pyrite, and Calcite)
metamorphic
Andesite
Andesite (Intermediate Volcanic Rock)
igneous
Amazonite
K(AlSi3O8) - Lead-bearing Microcline (Tectosilicate)
mineral
Rose Quartz
Silicon Dioxide (SiO2) with trace impurities of titanium, iron, or manganese
mineral
Tree Agate (Dendritic Agate/Quartz)
Silicon Dioxide (SiO2) with trace Manganese or Iron oxide inclusions
mineral
Amethyst
Silicon dioxide (variant with ferric iron impurities), SiO2
mineral
Amethyst Geode
Amethyst (Silicon Dioxide, SiO2)
mineral
Amethyst (Geode/Druzy)
Silicon Dioxide (SiO2) with iron impurities
mineral
Bauxite
Bauxite (Al(OH)3 mixed with Fe2O3 and clay minerals)
sedimentary
Amethyst
Silicon dioxide (SiO2) with iron impurities
mineral
Amethyst (Quartz Variety)
Amethyst (Silicon Dioxide - SiO2 with ferric iron impurities)
mineral
Limestone
Calcium Carbonate (CaCO3)
sedimentary
Banded Agate
Silicon Dioxide (SiO2) - Chalcedony variety
mineral
Amazonite
Potassium Feldspar (Microcline) - K(AlSi3O8)
mineral
Moonstone
Orthoclase/Albite (KAlSi3O8 / NaAlSi3O8) with Adularescence
mineral
Green Moss Agate
Silicon Dioxide with inclusions (SiO2)
sedimentary
Moss Agate
Silicon Dioxide with inclusions (SiO2)
mineral
Blue Sodalite (Tumbled)
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Jasper (Imperial Jasper style)
Silicon Dioxide (SiO2) with impurities
sedimentary
Lapis Lazuli
Lazurite-rich metamorphic rock (approx. (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2)
metamorphic
Moss Agate
Silicon Dioxide (SiO2) with mineral inclusions of hornblende or chlorite
Mineral (variety of Chalcedony)