Chert (often called Jasper or Flint in this color variety)
Silicon Dioxide (SiO2)
sedimentary
Category
Sedimentary (Primary) With Artificial Modification
Browse sedimentary (primary) with artificial modification specimens identified by the Rock Identifier community.
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Chert / Jasper
Microcrystalline Quartz (SiO2)
sedimentary
Quartz
Silicon Dioxide (SiO2)
mineral
Polished Hematite Tower
Hematite (Fe2O3)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Yellow Calcite
Calcium Carbonate (CaCO3)
mineral
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Limestone
Calcium Carbonate (CaCO3)
sedimentary
Quartz
Silicon dioxide (SiO2)
Mineral
Chert (Flint variety)
Silicon Dioxide (SiO2)
sedimentary
Chert (Jasper/Flint variety)
Microcrystalline Quartz (SiO2)
sedimentary
Chert (Jasper/Chalcedony)
Microcrystalline Quartz (SiO2)
sedimentary
Hematite
Iron(III) oxide (Fe2O3)
mineral
White Calcite (Dogtooth Spar or Crystalline Calcite)
Calcite (Calcium Carbonate, CaCO3)
mineral
Coal
Bituminous or Anthracite coal (carbon-rich sedimentary rock)
sedimentary
Limestone (specifically Iron-stained or Argillaceous Limestone)
Calcium Carbonate (CaCO3) with Iron Oxide (Fe2O3) impurities
sedimentary
Chalcopyrite
Copper iron sulfide (CuFeS2)
mineral
Yellow Quartz (possibly dyed)
Silicon Dioxide (SiO2)
mineral
Slag (Industrial Byproduct)
Anthropogenic Vitreous Silicate material
igneous
Bauxite
Bauxite (Al2O3·2H2O)
sedimentary
Chert (Chalcedony/Common Opal)
Microcrystalline Quartz (SiO2)
sedimentary
Flint (Chert)
Silicon Dioxide (SiO2)
sedimentary
Dyed Agate Geode Slice
Silicon Dioxide (SiO2)
mineral
Cullet Glass (Slag Glass)
Amorphous Silicon Dioxide (SiO2) with metallic oxide impurities
mineraloid
Blue Dyed Agate Geode (Slice)
Silicon Dioxide (SiO2) - Chalcedony / Quartz
mineral
Blue Quartzite (Dyed)
Metamorphosed Quartz-rich Sandstone (SiO2 with organic dye)
metamorphic
Chert (Flint Nodules)
Cryptocrystalline Quartz (SiO2)
sedimentary
Honey Calcite
Calcite (CaCO3)
mineral
Chert (Flint)
Microcrystalline Quartz (SiO2)
sedimentary
Blue Apatite
Fluoroapatite (Ca5(PO4)3F)
mineral
Chert (Flint)
Microcrystalline Quartz (SiO2)
sedimentary
Shale
Fissile Siliciclastic Sedimentary Rock
sedimentary
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz (Clear Quartz)
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Limonite
FeO(OH)·n(H2O)
mineral
Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz Crystal
Silicon Dioxide (SiO2)
mineral
Quartz (Rose or Milky Quartz)
Silicon Dioxide (SiO2)
mineral