Green Quartz (Prasiolite/Adventurine/Jasper)
Silicon Dioxide (SiO2)
mineral
Category
Mineral With Artificial Coating
Browse mineral with artificial coating specimens identified by the Rock Identifier community.
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Pyrite
Iron Sulfide (FeS2)
mineral
Gold-bearing Quartz
Auriferous Quartz (SiO2 with native Au)
mineral
Amethyst Geode Cathedral
Amethyst (Silicon Dioxide - SiO2 with Iron impurities)
mineral
Diamond (in a metal ring setting)
Diamond (Pure Carbon, C)
mineral
Auriferous Quartz or Pyritic Ore
Iron Pyrite (FeS2) or Native Gold (Au) in Matrix
mineral
Common Opal
Hydrated silica (SiO2 " nH2O)
mineral
Strawberry Quartz
Silicon Dioxide (SiO2) with Hematite/Goethite inclusions
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Blue Zircon
Zirconium Silicate (ZrSiO4)
mineral
Quartz Geode
Silicon Dioxide (SiO2)
mineral
Chalcedony (Agate/Chert variety)
Silicon Dioxide (SiO2)
mineral
Fuchsite (Chrome Mica)
K(Al,Cr)2(AlSi3O10)(OH)2
mineral
Emerald In Matrix (Quartz/Calcite)
Beryl (Be3Al2Si6O18) with Chromium/Vanadium impurities
mineral
Carnelian Agate
Silicon dioxide (SiO2) - variety of chalcedony
mineral
Chalcedony (Common Opal variant or Quartz)
Silicon Dioxide (SiO2)
mineral
Murex Fossil
Muricidae (Calcium Carbonate fossilization)
fossil
Moqui Marbles
Iron Oxide Concretion (Hematite/Goethite)
sedimentary
Sandstone
Arenite
sedimentary
Quartz with Mica
Silicon Dioxide (SiO2) with Mica group inclusions
mineral
Milky Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Sodalite
Na8(Al6Si6O24)Cl2
mineral
Sodalite
Na8(Al6Si6O24)Cl2
mineral
Sodalite
Na8(Al6Si6O24)Cl2
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Yellow Chalcedony
Silicon Dioxide (SiO2) - Chalcedony
mineral
Milky Quartz with Iron Inclusions
Crystalline Silicon Dioxide (SiO2)
mineral
Sodalite
Sodalite (Na8Al6Si6O24Cl2)
mineral
Botryoidal Chalcedony
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Banded Agate (Lake Superior Agate style)
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Chalcedony
Silicon Dioxide (SiO2)
mineral
Banded Calcite (Mexican Onyx)
Calcium Carbonate (CaCO3)
mineral
Amethyst in Matrix
Silicon Dioxide with Iron Impurities (SiO2)
mineral
Green Calcite
Calcium Carbonate (CaCO3)
mineral
Carnelian Agate
Silicon Dioxide (SiO2) with iron oxide impurities
Mineral
Green Onyx (Banded Calcite)
Banded Calcite / Aragonite (CaCO3)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Boulder Opal
Amorphous Hydrous Silica (SiO2·nH2O)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral