Chert (Arrowhead)
Chert (primarily Microcrystalline Silica, SiO2)
Category
Browse antropogenic (man made material) specimens identified by the Rock Identifier community.
Chert (Arrowhead)
Chert (primarily Microcrystalline Silica, SiO2)
Chert (Jasper variety)
Silicon Dioxide (SiO2)
Sandstone (Ferruginous)
Arenite (primarily SiO2 with iron oxide staining/cementing)
Amber
Succinite (fossilized resin)
Amber
Succinite (C10H16O)
Chert (Nodule)
Crystalline Silicon Dioxide (SiO2)
Chert (variations include Flint or Jasper)
Chert (chemical sedimentary rock), Quartz (SiO2)
Chert (often called Flint or Jasper)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Nodule)
Cryptocrystalline Quartz (SiO2)
Red Jasper
Quartz (Silicon Dioxide) with Iron Oxide impurities (Fe2O3)
Chondrite Meteorite
Ordinary Chondrite (S-type asteroid origin)
Chert (Field Stone/Pebble)
Microcrystalline or cryptocrystalline Quartz (SiO2)
Chert
Microcrystalline silica (SiO2)
Chert (Jasper/Flint variety)
Microcrystalline Quartz (SiO2)
Chert (Flint)
Silicon Dioxide (SiO2)
Chert (Flint variety)
Chert (SiO2)
Banded Agate (specifically Carnelian Agate)
Silicon dioxide (SiO2) - Chalcedony variety
Sandstone (Quartz-rich)
Clastic sedimentary rock (SiO2 primary)
Chalcopyrite (Peacock Ore)
Chalcopyrite (CuFeS2)
Conglomerate (or Breccia)
Clastic Sedimentary Rock (Conglomeratic)
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
Fluorite
Calcium Fluoride (CaF2)
Sandstone
Arenite (SiO2 based with various cements)
Pyrite
Iron Disulfide (FeS2)
Sodalite
Sodalite - Na8(Al6Si6O24)Cl2
Red Sandstone
Arenite (Fe2O3 rich)
Sandstone (Quartzose)
Arenite (Formula: SiO2 primary, with various cements)
Pink Rhodonite
Manganese Silicate (MnSiO3)
Quartzite
Quartzite (SiO2)
Quartz / Quartzite
Quartzite (primarily Silicon Dioxide, SiO2)
Unakite
Epidotized Granite
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
Pyrite
Iron Sulfide (FeS2)
Sandstone
Arenite (primarily SiO2)
Red Quartzite
Quartzite (primarily SiO2)
Chert (variations include Flint/Jasper)
Chert (SiO2)
Orange Quartzite (River Pebble)
Quartzite (primarily SiO2)
Schist
Mica Schist
Granite Pebble (Pink Granite)
Phaneritic Igneous Rock (primarily Quartz, Potassium Feldspar, and Plagioclase)
Fossiliferous Shale Matrix
Clastic Sedimentary Rock with Brachiopod or Mollusk shell fragments
Chert (with Quartz Vein)
Chert (Siliceous sedimentary rock, predominantly Microcrystalline Quartz SiO2)
Mahogany Obsidian
Obsidian (Volcanic Glass with Hematite/Magnetite inclusions), SiO2