Quartz (Granular)
Silicon Dioxide (SiO2)
mineral
Category
Sedimentary (Man Made)
Browse sedimentary (man made) specimens identified by the Rock Identifier community.
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Quartz Geode Fragment
Silicon Dioxide (SiO2)
mineral
Sandstone
Sandstone ( преимущественно SiO2 )
sedimentary
Quartzite Pebble
Quartzite (chiefly SiO2)
metamorphic
Sandstone (Quartzose Sandstone)
Clastic Sedimentary Rock (primarily SiO2)
sedimentary
Limestone
Calcium Carbonate (CaCO3)
sedimentary
Sandstone
Arenite (predominantly SiO2)
sedimentary
Sandstone/Quartzite
Sedimentary Rock (composed mainly of SiO2)
sedimentary
Shale
Argillaceous Rock
sedimentary
Blue Kyanite
Kyanite (Al2SiO5)
mineral
Fluorite
Calcium Fluoride (CaF2)
mineral
Calcite
Calcite (Calcium Carbonate, CaCO3)
mineral
Shale
Fissile mudstone (Shale)
sedimentary
Shale
Shale (comprised mostly of clay minerals and quartz)
sedimentary
Sandstone
Arenite (specifically Quartz Arenite)
sedimentary
Sandstone (with minor quartz and possible clay components)
Clastic Sedimentary Rock (SiO2 dominated)
sedimentary
Pyrite
Iron Sulfide (FeS2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Quartz (Milky/Chalcedony variety)
Silicon Dioxide (SiO2)
mineral
Yellow Calcite
Calcium Carbonate (CaCO3)
mineral
Green Fluorite
Calcium Fluoride (CaF2)
mineral
Black Opal (Triplet)
Hydrated Silica (SiO2·nH2O)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Sandstone
Clastic sedimentary rock (primarily quartz arenite)
sedimentary
Quartz (Tumbled)
Silicon Dioxide (SiO2)
mineral
Sandstone (likely Graywacke or Arkose)
Arenite
sedimentary
Calcite
Calcium Carbonate (CaCO3)
mineral
Sandstone
Sedimentary Rock (Quartz arenite)
sedimentary
Limestone
Calcium Carbonate (CaCO3)
sedimentary
Sandstone
Arenite
sedimentary
Red Jasper
Silicon Dioxide with Iron Oxide (SiO2)
sedimentary
Spider Conch Shell
Lambis lambis (Calcium Carbonate, CaCO3)
sedimentary
Moqui Marble (Sandstone Concretion)
Hematite-cemented Sandstone (Fe2O3 + SiO2)
sedimentary
Sandstone (likely Ferruginous)
Arenite (SiO2 with iron oxide impurities)
sedimentary
Fossil Bivalve / Ostreid Shell (Hag Stone / Perforated Pebble)
Phylum Mollusca, Class Bivalvia
fossil
Rhodochrosite
Manganese Carbonate (MnCO3)
mineral
Rhodochrosite
Manganese carbonate (MnCO3)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Sandstone
Arenite (SiO2 primarily)
sedimentary
Chalcedony (Blue Dragon/Gray Chalcedony)
Silicon Dioxide (SiO₂)
mineral
Chert with Desert Varnish
Cryptocrystalline Quartz (SiO2) with Manganese/Iron oxide coating
sedimentary