Dyed Fuchsia Agate
Silicon Dioxide (SiO2) - variety Chalcedony
mineral
Category
Mineral With Artificial Coating
Browse mineral with artificial coating specimens identified by the Rock Identifier community.
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Larimar
Pectolite (NaCa2Si3O8(OH))
mineral
Pyrite in Quartz
Silicon Dioxide (SiO2) with Iron Sulfide (FeS2)
mineral
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2)
mineral
Banded Agate (Onyx type)
Silicon dioxide (SiO2)
mineral
Strawberry Quartz
Silicon Dioxide with Hematite inclusions (SiO2 + Fe2O3)
mineral
Specular Hematite (Specularite)
Iron Oxide (Fe2O3)
mineral
Goldstone
Aventurine Glass (Man-made)
mineral
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Quartz Geode
Silicon Dioxide (SiO2)
mineral
Green Aventurine
Quartz (SiO2) with Fuchsite inclusions
mineral
Dendritic Agate
Silicon Dioxide (SiO2) with inclusions
mineral
Amazonite
Microcline (KAlSi3O8 variant)
mineral
Copper Ore (with Azurite and Malachite)
Cuprite, Azurite (Cu3(CO3)2(OH)2), Malachite (Cu2(CO3)(OH)2)
mineral
Black Opal
Hydrated Silica (SiO2·nH2O)
mineral
Shiva Eye Shell (Operculum)
Calcium Carbonate (Aragonite), CaCO3
mineral
Breciated Howlite
Calcium borosilicate hydroxide (Ca2B5SiO9(OH)5)
Mineral
Specular Hematite (Iron Ore)
Iron(III) oxide (Fe2O3)
mineral
Strawberry Quartz and Rose Quartz
Silicon Dioxide (SiO2) with inclusions
mineral
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2)
mineral
Agate Geode
Microcrystalline Quartz (SiO2)
mineral
Silver (Morgan Dollar)
Native Silver (Ag) - 90% Silver, 10% Copper alloy
mineral
Fossilized Shark Tooth
Carcharodon (Galeocerdo sp. or Lamniform)
mineral
Amazonite
K(AlSi3O8), Microcline
mineral
Specular Hematite
Hematite (Fe2O3)
mineral
Turquoise in Matrix
Hydrated phosphate of copper and aluminium (CuAl6(PO4)4(OH)8·4H2O)
mineral
Amazonite (with smoky quartz/feldspar inclusions)
K(AlSi3O8), Microcline (Tectosilicate)
mineral
Gneiss
High-grade regional metamorphic rock
metamorphic
Sandstone
Arenite (SiO2 composition primarily)
sedimentary
Limonite-stained Gossan/Ironstone
Goethite and Hematite (Fe2O3 • nH2O)
sedimentary
Sandstone (Quartz-rich)
Arenite (primarily SiO2)
sedimentary
Hematite
Iron(III) oxide (Fe2O3)
mineral
Milky Quartz with Iron Inclusion
Silicon Dioxide (SiO2)
mineral
Bloodstone
Heliotrope (Silicon dioxide, SiO2)
mineral
Calcite on Limestone
Calcium Carbonate (CaCO3)
mineral
Tumbled Moss Agate
Silicon Dioxide (SiO2) with inclusions of manganese or iron oxide
mineral
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2)
mineral
Green Aventurine
Silicon Dioxide (SiO2) with Fuchsite inclusions
mineral
Blue Lace Agate (Tumbled)
Silicon Dioxide (SiO2) with trace minerals
mineral
Blue Lace Agate
Silicon Dioxide (SiO2) with inclusions
mineral
Blue Lace Agate (Tumbled)
Silicon Dioxide (SiO2)
mineral
Lodolite (Garden Quartz)
Silicon Dioxide (SiO2) with various inclusions
mineral