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Category
Sedimentary (Processed Mineral Product)
Browse sedimentary (processed mineral product) specimens identified by the Rock Identifier community.
Learn about Sedimentary (Processed Mineral Product) in the encyclopedia
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Specular Hematite
Iron(III) oxide (Fe2O3)
mineral
Hematite
Iron(III) oxide (Fe2O3)
mineral
Hematite
Iron(III) oxide (Fe2O3)
mineral
Hematite
Iron(III) oxide (Fe2O3)
mineral
Hematite
Iron(III) oxide (Fe2O3)
mineral
Iron Slag
Ferrous Slag (Silicate/Oxide mixture)
industrial byproduct (anthropogenic)
Sandstone (Ferruginous Concretion)
Ferruginous Sandstone Concretion / SiO2 with Fe2O3 cement
sedimentary
Sandstone (Ferruginous)
Arenite (primarily SiO2 with Fe2O3 staining)
sedimentary
Specular Hematite
Specularite (Iron Oxide, Fe2O3)
mineral
Hematite
Iron(III) oxide (Fe2O3)
mineral
Blue Slag Glass
Amorphous Silica (Byproduct of smelting)
Antropogenic (Man-made)
Slag
Metallurgical by-product
Anthropogenic (Man-made material)
Hematite
Iron(III) oxide (Fe2O3)
mineral
Slag (Industrial By-product)
Anthropogenic Vitreous Silica/Iron Silicate
mineral
Hematite with Magnetite
Iron Oxide (Fe2O3)
mineral
Specular Hematite (Specularite)
Iron Oxide (Fe2O3)
mineral
Sandstone (lithic wacke/conglomerate mix)
Clastic Sedimentary Rock (SiO2 with lithic fragments)
sedimentary
Shale (Ferruginous)
Laminated Mudrock (Siliciclastic Sedimentary Rock)
sedimentary
Asphalt (Bituminous Concrete)
Bituminous mix containing aggregates and petroleum-based binder (CnH2n+2)
not a rock (anthropogenic material/technofossil)
Blue Sapphire and Diamond (Set in Metal)
Corundum (Al2O3) and Diamond (C)
mineral
Limonite/Goethite on Shale
Hydrous ferric oxides (FeO(OH)·nH2O) often associated with argillaceous rock
sedimentary
Limonite/Goethite Concretion
Hydrated Iron(III) Oxide-hydroxide (FeO(OH)·nH2O)
sedimentary
Cullet Glass (Industrial Slag Glass)
Amorphous Silica (SiO2) with metallic oxide impurities
Man-made byproduct (often mistaken for Obsidian or Emerald)
Hematite
Iron(III) oxide (Fe2O3)
mineral
Iron Slag
Anthropogenic Iron Silicate
industrial byproduct
Asphalt (Aggregate)
Bituminous macadam / Concrete Aggregate
sedimentary
Sandstone (Quartzose)
Arenite (SiO2 based)
sedimentary
Sulfur
Native Sulfur (S)
mineral
Specular Hematite (Iron Ore)
Iron(III) oxide (Fe2O3)
mineral
Shale (Beach-worn)
Laminated Pelite (primarily clay minerals and quartz)
sedimentary
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Dyed Agate Geode
Silicon Dioxide (SiO2) with artificial pigment
mineral
Iron Slag (Industrial Byproduct)
Anthropogenic Vitrification Product/Ferrous Slag
Mineral-like Industrial Smelting Waste
Red Hematite
Iron(III) oxide (Fe2O3)
mineral
Hematite
Ferric Oxide (Fe2O3)
mineral
Hematite
Iron(III) oxide (Fe2O3)
mineral
Sandstone (likely Fossiliferous Sandstone)
Clastic sedimentary rock (primarily SiO2)
sedimentary
Bituminous Coal
Organic sedimentary rock (humic coal)
sedimentary
Hematite
Iron(III) oxide (Fe2O3)
mineral
Jasper with Iron Staining
Silicon Dioxide (SiO2) with impurities
sedimentary
Carborundum (Silicon Carbide)
Silicon carbide (SiC)
mineral