Quartzite
Quartzite (primarily SiO2)
metamorphic
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
View all →
Pumice
Pumice (Vesicular volcanic glass)
igneous
Pumice
Vesicular volcanic glass
igneous
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Sandstone (likely Arkosic or Lithic Sandstone)
Clastic Sedimentary Rock (SiO2 with assorted minerals)
sedimentary
Halite
Halite (NaCl)
mineral
Red Sandstone (Iron-rich)
Ferruginous Sandstone (SiO2 with Iron Oxides)
sedimentary
Scoria (Lava Rock)
Scoria (Extrusive Igneous Rock / Mafic Silicates)
igneous
Blue Calcite
Calcium Carbonate (CaCO3)
mineral
Red Sandstone
Arenite (primarily Quartz with Iron Oxide coating)
sedimentary
Chert (Jasper)
Silicon Dioxide (SiO2)
sedimentary
Limonite (Iron Ore)
FeO(OH)·nH2O (Hydrous ferric oxide)
mineral
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Caribbean Calcite
Calcite (CaCO3) with Aragonite (CaCO3)
mineral
Quartzite
Quartzite (primarily SiO2)
metamorphic
Garnet Schist
Almandine-Mica Schist
metamorphic
Sandstone with Manganese Dendrites
Clastic Sedimentary Rock (SiO2 based with MnO2 inclusions)
sedimentary
Sandstone
Arenite (Sandstone)
sedimentary
Orange Calcite (likely polished specimen)
Calcite
Mineral
Yellow Quartz (Citrine/Yellow Jasper)
Silicon Dioxide (SiO2)
mineral
Pyrite-rich Ore
Pyrite (FeS2) with secondary minerals
mineral
Fossilized Gastropod Shell
Class Gastropoda (Fossil)
sedimentary
Sandstone
Arenite (SiO2 primarily)
sedimentary
Red Sandstone
Arenite (Ferruginous Sandstone)
sedimentary
Iron Slag
Iron Slag (Industrial Vitreous Material)
Mineral/By-product
Quartz (Milky/Clear variety)
Silicon Dioxide (SiO2)
mineral
Laterite
Laterite (primarily composed of hydrated oxides of iron and aluminum)
Sedimentary Rock (as a residual soil/rock, it's often considered a type of sedimentary rock due to its formation from weathering, though it can cross into soil science)
Collection of Minerals and Ores
Various (e.g., Uraninite (U3O8), Carbon (C), Native Gold (Au), Hematite (Fe2O3), Galena (PbS), etc.)
mineral
Celestite (Celestine)
Strontium sulfate (SrSO4)
mineral
Zebra Jasper
Tektite variety of Silicon Dioxide (SiO2) with inclusions
sedimentary
Calcite
Calcite (Calcium Carbonate, CaCO3)
mineral
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Fossilized Bone
Permineralized Vertebrate Fossil
sedimentary
Blue Calcite
Calcium Carbonate (CaCO3)
mineral
Sandstone
Clastic Sedimentary Rock (composed mostly of SiO2)
sedimentary
Quartz / Common Gravel
Silicon Dioxide (SiO2)
mineral
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Chert (specifically Jasper/Carnelian variety)
Microcrystalline quartz (SiO2)
sedimentary
Lapis Lazuli
Lapis Lazuli (Metamorphic rock containing lazurite (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2, calcite, and pyrite)
metamorphic
Petrified Wood
Silicified wood (Quartz/Chalcedony replacement of cellulose)
sedimentary