Asphalt (Bituminous Pavement)
Bituminous mix (Aggregates with Bitumen binder)
sedimentary
Category
Mineral Or Sedimentary Rock (With Mineral Inclusions)
Browse mineral or sedimentary rock (with mineral inclusions) specimens identified by the Rock Identifier community.
Chalcedony
Cryptocrystalline Quartz (SiO2)
mineral
Common Opal with Host Rock
Opal (Hydrated silica, SiO2·nH2O)
mineral
Sandstone
Arenite (composed primarily of SiO2, or Silicon Dioxide)
sedimentary
Picture Jasper
Silicon dioxide (SiO2)
sedimentary
Kambaba Jasper (Crocodile Jasper)
Stromatolitic Rhyolite/Jasper (SiO2)
sedimentary
Turquoise
CuAl6(PO4)4(OH)8·4H2O (Hydrated copper and aluminum phosphate)
mineral
Gneiss
High-grade metamorphic rock (Gneiss)
metamorphic
Beryl (Aquamarine) in Matrix with Schorl
Be3Al2Si6O18 (Beryl) with NaFe3Al6(BO3)3Si6O18(OH)4 (Schorl)
mineral
Tourmalinated Quartz
Silicon Dioxide (SiO2) with Schorl inclusions (NaFe2+3Al6(BO3)3Si6O18(OH)4)
mineral
Concretion (Sandstone)
Carbonate-cemented Sandstone Concretion
sedimentary
Quartz (specifically Clear Quartz or Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Aventurine
Quartz (SiO2) with inclusions of Fuchsite
mineral
Conglomerate
Conglomerate (Clastic sedimentary rock)
sedimentary
Moss Agate
Silicon Dioxide with inclusions (SiO2 + Mn/Fe/Chlorite)
mineral
Thunderegg (Agate-filled Geode Node)
Silicon dioxide (SiO2) with various inclusions
sedimentary/igneous association
Thunderegg (Ate Agate/Jasper Geode)
Silicon Dioxide (SiO2) within Rhyolite/Perlite matrix
sedimentary/igneous intermediary
Gneiss
Gneiss
metamorphic
Dyed Agate
Silicon Dioxide (SiO2)
mineral
Gneiss (specifically a granitic gneiss cobble)
Gneiss (high-grade regional metamorphic rock)
metamorphic
Limonite (Iron Ore/Sandstone mixture)
Limonite (FeO(OH)·nH2O) often mixed with Goethite and sedimentary matrix
mineral
Chlorite (Small Flakes/Sand)
Chlorite Group (Magnesium Iron Aluminum Silicate Hydroxide - (Mg,Fe)3(Si,Al)4O10(OH)2·(Mg,Fe)3(OH)6)
mineral
Sandstone Chert Concretion
Silica-cemented Concretion (primarily SiO2)
sedimentary
Chert (Jasper/Flint variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Clear Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Carnelian
Carnelian Chalcedony (SiO2 with iron oxide impurities)
mineral
Clear Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Dyed Agate
Silicon Dioxide (SiO2)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Peridot (likely, based on color and appearance)
Olivine group mineral, specifically (Mg,Fe)2SiO4 (Forsterite-Fayalite solid solution series)
Mineral
Schist (Biotite Schist)
Biotite-bearing Schist (K(Mg,Fe)3AlSi3O10(F,OH)2)
metamorphic
Quartz Druze on Matrix (Geode Fragment)
Quartz (Silicon Dioxide, SiO2)
mineral
Halite
Halite (Sodium Chloride, NaCl)
mineral
Sandstone
Arenite (primarily SiO2)
sedimentary
Milky Quartz with Iron Staining and Matrix
Silicon Dioxide (SiO2)
mineral
Rose Quartz
Silicon Dioxide (SiO2)
mineral
Almandine Garnet in Matrix
Almandine (Fe3Al2(SiO4)3)
metamorphic
Sandstone (Ferruginous)
Arenite (Fe-rich SiO2)
sedimentary
Sandstone (Ferruginous)
Arenite with Iron Oxide cement (SiO2 + Fe2O3)
sedimentary
Agate (Crazy Lace or Eye Agate)
Silicon Dioxide (SiO2)
mineral
Quartz (Pink/Orange Variety)
Silicon Dioxide (SiO2)
mineral
Quartzite
Quartzite (Primary mineral: SiO2)
metamorphic