Carnelian
Carnelian (Silicon Dioxide - SiO2)
mineral
Category
Mineralological Variety
Browse mineralological variety specimens identified by the Rock Identifier community.
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Tumbled chalcedony or quartz fragment
Microcrystalline quartz, SiO₂ (probable chalcedony)
mineral
Yellow Jasper
Silicon dioxide, SiO2
mineral
Agate (or Quartz with Agate banding)
Silicon dioxide (SiO2)
Mineral
Agate
SiO2
Mineral
Plume Agate or Moss Agate
Agate (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz Crystal
Silicon Dioxide (SiO2)
mineral
White Quartz
Silicon Dioxide (SiO2)
mineral
White Quartz Beads
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz Crystal
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Pyrite
Iron Disulfide (FeS2)
mineral
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
mineral
Satin Spar (Gypsum)
Calcium Sulfate Dihydrate (CaSO4·2H2O)
mineral
Larimar
NaCa2Si3O8(OH)
gemstone
Jasper
Silicon Dioxide (SiO2)
mineral
Nephrite Jade
Ca2(Mg, Fe)5Si8O22(OH)2
metamorphic
Carnelian
Carnelian (SiO2)
mineral
Amazonite
Microcline (K(AlSi3O8))
mineral
Banded Calcite
Calcite (Calcium Carbonate, CaCO3)
mineral
Amazonite
Microcline (variety Amazonite), K(AlSi3O8)
mineral
Agate
SiO2 (Silicon dioxide, chalcedony variety)
Mineral
Chert and Chalcedony
Cryptocrystalline Quartz (SiO2)
sedimentary
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Chert (Common Opal/Jasper variety)
Microcrystalline Quartz (SiO2)
sedimentary
Labradorite
(Ca, Na)(Al, Si)4O8 (Plagioclase Feldspar)
mineral
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Chert (Flint)
Silicon dioxide (SiO2)
sedimentary
Yellow Agate
Silicon Dioxide (SiO2)
mineral
Rough Corundum (Sapphire/Ruby mixture)
Corundum (Aluminum Oxide, Al2O3)
mineral
Green Jasper
Jasper (Silicon Dioxide, SiO2)
sedimentary
Chert (and/or River Pebble)
Microcrystalline silica (SiO2)
sedimentary
Agate and Chalcedony Beads
Cryptocrystalline Quartz (SiO2)
gemstone
Chert (Jasper variety)
Silicon Dioxide (SiO2)
sedimentary
Carnelian
Carnelian (Silicon Dioxide, SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Jasper
Silicon dioxide (SiO2)
Mineral