Blue Apatite
Apatite-(CaF), Ca5(PO4)3F
mineral
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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Pumice
Pumiceous volcanic glass
igneous
Pumice
Pumicite
igneous
Magnetite (Iron Ore)
Magnetite (Fe3O4)
mineral
Sandstone (Ferruginous)
Arenite (composed primarily of SiO2 with Fe2O3 staining)
sedimentary
Barite
Barium Sulfate (BaSO4)
mineral
Caribbean Calcite
Aragonite and Calcite (CaCO3)
mineral
Orange Calcite
Calcite (Calcium Carbonate, CaCO3)
mineral
Dendritic Agate or Tree Agate
Silicon Dioxide (SiO2) with impurities of manganese or iron oxide
mineral
Magnetite (Lodestone variety)
Magnetite (Fe3O4)
mineral
Quartz or possibly Jasper/Chert. Looks like a tumbled or water-worn stone.
SiO2 (Silicon Dioxide)
Mineral or Sedimentary (if chert)
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Colorless Quartz (Rhinestone)
Silicon Dioxide (SiO2)
mineral
Aragonite (Flos Ferri)
Calcium Carbonate (CaCO3)
mineral
Caribbean Calcite
Calcite and Aragonite (CaCO3)
mineral
Slag
Anthropogenic Vitrophyre (Iron or Smelting Slag)
Mineral-like byproduct
Sandstone (likely Calcareous or Micaceous)
Clastic sedimentary rock (primarily Quartz with Cementing Agents)
sedimentary
Bauxite
Bauxite (Mixture of Hydrous Aluminum Oxides)
sedimentary
Quartzite
Quartzite (SiO2)
metamorphic
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
mineral
Sandstone with Lichen
Arenite (SiO2 based) with biological weathering
sedimentary
Pumice
Pumice (a highly vesicular volcanic rock)
igneous
Pumice
Pumice (a highly vesicular extrusive igneous rock)
igneous
Granodiorite
Granodiorite (Quartz-Feldspar-Biotite Plutonic Rock)
igneous
Fossil Shark Tooth
Carcharodon or Carcharias fossil (Vertebrate Fossil)
sedimentary
Sandstone (Ferruginous)
Arenite with Iron Oxide cement
sedimentary
Pyrite (on Shale/Matrix)
Iron Disulfide (FeS2)
mineral
River Rock / Stream Pebble
Fluvial Clast / Rounded Sedimentary Particle
Sedimentary Rock (possibly composed of various minerals)
Jasper
Jasper (Silicon Dioxide, SiO2)
sedimentary
Petrified Wood
Silicified Wood (primarily SiO2)
sedimentary
Green Calcite
Calcium Carbonate (CaCO3)
mineral
Banded Gneiss
Gneiss
metamorphic
Quartz Pebble
Silicon Dioxide (SiO2)
sedimentary
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
mineral
Magnetite (Small Granule)
Magnetite (Fe3O4)
mineral
Orange Calcite point
Calcite (Calcium Carbonate, CaCO3)
mineral
Blue Calcite
Calcium Carbonate (CaCO3)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
River Cobble (Gneiss/Schist mix)
Foliated Metamorphic Rock (Gneissic/Schistose)
metamorphic
Seashell Fragment (Aragonite/Calcite)
Calcium Carbonate (CaCO3) - Shell fragment
sedimentary
Specular Hematite (Specularite)
Iron(III) oxide (Fe2O3)
mineral