Jasper with Chalcedony
Silicon Dioxide (SiO2)
mineral
Category
Mineral (Synthetic Paper And Ink Polymorph)
Browse mineral (synthetic paper and ink polymorph) specimens identified by the Rock Identifier community.
Learn about Mineral (Synthetic Paper And Ink Polymorph) in the encyclopedia
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Gold Nugget
Native Gold (Au)
mineral
Gold Nugget / Gold Flakes
Native Gold (Au)
mineral
Limonite (Iron Ore)
FeO(OH)·nH2O (Hydrated iron(III) oxide-hydroxide)
mineral
Amethyst
SiO2 (Silicon Dioxide with Fe3+ impurities)
mineral
Copper Nugget
Native Copper (Cu)
mineral
Yellow Quartz / Citrine Quartz
Silicon Dioxide (SiO2)
mineral
Standing Liberty Quarter (Silver Specimen)
Native Silver alloy (Ag with Cu traces)
mineral
Rough Diamond
Diamond (pure Carbon, C)
mineral
Quartz
Silicon dioxide (SiO2)
Mineral
Shiva Eye Shell (Operculum)
Calcium Carbonate (Aragonite), CaCO3
mineral
Gold
Native Gold (Au)
mineral
Gold (in Opaque Matrix/Jewelry)
Native Gold (Au)
mineral
Peridot (Olivine)
Olivine ((Mg, Fe)2SiO4)
mineral
Black Onyx
Silicon Dioxide (SiO2)
mineral
Rose Quartz
Silicon dioxide (SiO2) with traces of titanium, iron, or manganese
mineral
Mixed Tumbled Gemstones (Agate, Aventurine, Pyrite, etc.)
Multiple (principally Silicon Dioxide SiO2 and Iron Disulfide FeS2)
mineral
Pyrite Geode
Iron Disulfide (FeS2)
mineral
Hematite
Iron(III) oxide (Fe2O3)
mineral
Carnelian
Carnelian (SiO2)
mineral
Carnelian Agate
Silicon Dioxide (SiO2) - variety Carnelian (Chalcedony)
Mineral
Mystic Topaz
Aluminum Silicate Fluoride Hydroxide (Al2SiO4(F,OH)2) with metallic film coating
mineral
Peridot
Olivine (Mg, Fe)2SiO4
mineral
Green Opal
Opal (Hydrated silica, SiO2·nH2O)
mineral
Blue Chalcedony
Silicon Dioxide (SiO2)
mineral
Druzy Quartz on Chert/Chalcedony
Silicon Dioxide (SiO2)
mineral
Garnet
Almandine (Fe3Al2(SiO4)3)
mineral
Rough Diamond
Carbon (C)
mineral
Beryl (Aquamarine) in Matrix with Schorl
Be3Al2Si6O18 (Beryl) with NaFe3Al6(BO3)3Si6O18(OH)4 (Schorl)
mineral
Dragon Blood Jasper
SiO2
mineral
Gold and Silver (Metal Components of an Antique Pocket Watch)
Native Gold (Au) and Native Silver (Ag)
mineral
Gneiss
Gneiss
metamorphic
Hematite
Hematite (Fe2O3)
mineral
Smoky Quartz (Tumbled/Water-worn Quartz)
Silicon Dioxide (SiO2)
mineral
Chalcedony (Agate / Chert)
Silicon Dioxide (SiO2)
mineral
Diamond (in Jewelry)
Diamond (Carbon, C)
mineral
Beryl (Aquamarine)
Be3Al2Si6O18
mineral
Diamond
Carbon (C)
mineral
Red Carnelian (Tumbled)
SiO2 (Silicon Dioxide) - variety of Chalcedony
mineral
Diamond
Carbon (C)
mineral
Blue Chalcedony
Cryptocrystalline Quartz (SiO2)
mineral
Yellow Calcite
Calcite (Calcium Carbonate, CaCO3)
mineral