Laterite (Iron-rich bauxite or Gossan)
Ferricrete (Fe2O3·nH2O)
sedimentary
Category
Industrial By Product
Browse industrial by product specimens identified by the Rock Identifier community.
Granite
Granite (composed of Quartz, Feldspar, and Mica)
igneous
Basalt
Basalt (containing plagioclase, pyroxene, and olivine)
igneous
Pumice
Pumice (a highly vesicular volcanic glass)
igneous
Quartz (Common Grains)
Silicon Dioxide (SiO2)
mineral
Quartzite
Metamorphic Quartz (SiO2)
metamorphic
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Pumice
Pumice (Amorphous volcanic glass)
igneous
Granite
Granite (Felsic Plutonic Rock)
igneous
Greywacke
Greywacke (Lithofeldspathic Sandstone)
sedimentary
Quartzite
Quartzite (primarily Silicon Dioxide, SiO2)
metamorphic
Glauconite (Sandstone or Shale)
Glauconite (K,Na)(Fe3+,Al,Mg)2(Si,Al)4O10(OH)2
sedimentary
Basalt
Basalt (Mafic Extrusive Igneous Rock)
igneous
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Granite
Granite (composed of Quartz, Alkali Feldspar, and Plagioclase)
igneous
Granitic Sand
Detrital sediment (predominantly Quartz, Feldspar, and Mica)
sedimentary
Black Sand (Magnetite Sand)
Magnetite (Fe3O4)
mineral
Bauxite
Bauxite (Al2O3·2H2O)
sedimentary
Chert (Gravel pebble)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Gneiss (specifically Micaceous Gneiss)
Gneiss (High-grade Regional Metamorphic Rock)
metamorphic
Slag (Industrial Glass/Metal Waste)
Artificial silicate/ferro-silicate byproduct
Mineraloid (Industrial byproduct)
Quartzite Cobble
Quartzite (SiO2)
metamorphic
Quartzite
Quartzite (primarily SiO2)
metamorphic
Quartzite
Quartzite (SiO2)
metamorphic
Mica Schist
Schist (muscovite-biotite schist)
metamorphic
Limonite (Iron Ore)
Limonite (mixture of hydrated iron(III) oxide-hydroxides)
Mineral
Diamond
Diamond (pure Carbon, C)
mineral
Basalt Pebble
Basalt (Mafic volcanic rock)
igneous
Diamond (or synthetic simulant)
Cubic C (Carbon)
mineral
Garnet in Quartz Matrix
Almandine Garnet (Fe3Al2(SiO4)3) in Quartz (SiO2)
metamorphic
Quartz Geode
Silicon Dioxide (SiO2) within a geode
mineral
Native Copper
Native Copper (Cu)
mineral
Chert (Red Jasper)
Microcrystalline Quartz (SiO2)
sedimentary
Sapphire
Corundum (Al2O3)
mineral
Green Calcite
Calcium Carbonate (CaCO3)
mineral
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
mineral
Quartzite
Quartzite (primarily SiO2)
metamorphic
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Wavellite
Wavellite (Al3(PO4)2(OH, F)3·5H2O)
mineral
Garnet Schist
Garnetiferous Micaceous Schist
metamorphic
Milky Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Diamond
Carbon (C)
mineral