Blue Apatite
Fluorapatite (Ca5(PO4)3F)
mineral
Category
Mineral With Artificial Coating
Browse mineral with artificial coating specimens identified by the Rock Identifier community.
Learn about Mineral With Artificial Coating in the encyclopedia
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Almandine Garnet
Almandine (Fe3Al2Si3O12)
mineral
Satin Spar (Selenite)
Gypsum (Calcium Sulfate Dihydrate, CaSO4·2H2O)
mineral
Moonstone
Orthoclase (Potassium Aluminum Silicate, KAlSi3O8)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Optical Calcite (Iceland Spar)
Calcium Carbonate (CaCO3)
mineral
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Muscovite Mica
Muscovite (KAl2(AlSi3O10)(OH)2)
mineral
Amazonite
Amazonite (KAlSi3O8)
mineral
Azurite Malachite (Mixed)
Azurite-Malachite; Azurite: Cu3(CO3)2(OH)2 / Malachite: Cu2CO3(OH)2
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Yellow Calcite
Calcite (Calcium Carbonate, CaCO3)
mineral
Amethyst
Silicon dioxide / Quartz (SiO2+Fe4+)
mineral
Amazonite
Amazonite (K(AlSi3O8))
mineral
Sunstone (Feldspar)
Plagioclase Feldspar ((Ca, Na)(Al, Si)4O8)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Chalcedony (Carnelian variety)
Silicon Dioxide (SiO2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Moss Agate
Silicon Dioxide with inclusions (SiO2 + Fe/Mg/Mn/Chlorite)
mineral
Turquoise
Hydrated phosphate of copper and aluminium (CuAl6(PO4)4(OH)8·4H2O)
mineral
Gold Grain
Native Gold (Au)
mineral
Milky Quartz/Clear Quartz Cluster
Silicon Dioxide (SiO2)
mineral
Green Moss Agate
Agate (Silicon Dioxide - SiO2 with inclusions of Manganese/Iron oxides)
mineral
Green Aventurine in Host Rock
Quartz (SiO2) with Fuchsite inclusions
mineral
Beryl (Aquamarine) in Matrix with Schorl
Be3Al2Si6O18 (Beryl) with NaFe3Al6(BO3)3Si6O18(OH)4 (Schorl)
mineral
Native Gold (Placer Gold)
Native Gold (Au)
mineral
Milky Quartz with Iron Inclusions
Silicon Dioxide (SiO2) with Fe2O3
mineral
Milky Quartz
Quartz (SiO2) with iron staining
mineral
Silver (Sterling Silver Jewelry)
Argentum (Ag) mixed with Copper (Cu)
mineral
Chrysocolla
Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O (Hydrated Copper Phyllosilicate)
mineral
Chrysocolla
Chrysocolla (Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O)
mineral
Gossan (Iron Hat)
Gossan (secondary iron oxide cap)
sedimentary
Sodalite
Sodalite, Na8(Al6Si6O24)Cl2
mineral
Eagle Eye / Grey Tiger Eye
Pseudomorph of Quartz after Crocidolite (SiO2)
mineral
Diamond (or Cubic Zirconia simulant)
C (Carbon) or ZrO2 (Zirconium Dioxide)
gemstone
Poppy Jasper
Silicon Dioxide (SiO2) with Hematite and Iron Oxide inclusions
sedimentary
Chert (with Quartz veins)
Microcrystalline Quartz (SiO2)
sedimentary
Diamond
Native Carbon (C)
gemstone
Slate
Slate (foliated metamorphic rock)
metamorphic
Sandstone
Arenite (primarily SiO2)
sedimentary
Pyrite
Iron Disulfide (FeS2)
mineral
Bumblebee Jasper
Anhydrous Calcium Carbonate with Sulfur and Arsenic (Orpiment/Realgar)
sedimentary