Quartz
Silicon Dioxide (SiO2)
mineral
Category
Sedimentary (Primary) With Artificial Modification
Browse sedimentary (primary) with artificial modification specimens identified by the Rock Identifier community.
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White Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Hematite
Iron (III) oxide (Fe2O3)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Fluorite
Calcium Fluoride (CaF2)
mineral
Limonite (Iron Ore)
Limonite (mixture of hydrated iron(III) oxide-hydroxides)
Mineral
Blue Calcite
Calcium Carbonate (CaCO3)
mineral
Potassium Feldspar
Orthoclase (KAlSi3O8)
mineral
Yellow Calcite
Calcium Carbonate (CaCO3)
mineral
Malachite in Host Rock
Malachite - Cu2CO3(OH)2
mineral
Optical Calcite (Iceland Spar)
Calcite (Calcium Carbonate, CaCO3)
mineral
Chert / Flint
Silicon Dioxide (SiO2)
sedimentary
Chert (Flint)
Chert (Cryptocrystalline silicon dioxide, SiO2)
sedimentary
Limonite with Goethite
Iron Hydroxide Mixture (FeO(OH)·nH2O)
mineral
Chert
Cryptocrystalline Quartz (SiO2)
sedimentary
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Limonite (Iron Ore)
Limonite (Hydrous iron(III) oxide-hydroxide mixture, primarily FeO(OH)·nH2O)
mineral
Chert (Flint)
Chert (SiO2)
sedimentary
Chert (often called Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Chert (Jasper variety)
Microcrystalline Quartz (SiO2)
sedimentary
Sandstone
Arenite (SiO2 dominant)
sedimentary
Bauxite
Bauxite (Al(OH)3, AlO(OH))
sedimentary
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz pebble
Silicon Dioxide (SiO2)
mineral
Celestite
Strontium Sulfate (SrSO4)
mineral
Quartz (partially iron-stained)
Silicon Dioxide (SiO2)
mineral
Yellow Calcite
Calcium Carbonate (CaCO3)
mineral
Optical Calcite (Iceland Spar)
Calcite (Calcium Carbonate, CaCO3)
mineral
Yellow Calcite
Calcium Carbonate (CaCO3)
mineral
Chert
Chert (Microcrystalline Quartz, SiO2)
sedimentary
Chert (Flint)
Silicon Dioxide (SiO2)
sedimentary
Sandstone
Clastic sedimentary rock (SiO2 primary)
sedimentary
Yellow Calcite
Calcium Carbonate (CaCO3)
mineral
Quartz (Milk or Clear Variety)
Silicon Dioxide (SiO2)
mineral
Chert (Flint)
Silicon Dioxide (SiO2)
sedimentary
Limestone Pebble
Sedimentary Calcium Carbonate (CaCO3)
sedimentary