Portable Ceramic Space Heater
Polished Acrylonitrile Butadiene Styrene (ABS) Plastic with Ceramic Heating Elements
not a rock (synthetic/industrial object)
Category
Organic (Non Geological)
Browse organic (non geological) specimens identified by the Rock Identifier community.
Granite
Granite (a plutonic igneous rock composed of quartz, feldspar, and mica)
igneous
Chert (Flint)
Chert (predominantly SiO₂ - silicon dioxide)
sedimentary
Diamond Plate (Steel)
Alloyed Carbon Steel or Aluminum with 'Durbar' pattern
not a rock (Man-made industrial metal)
Note: Item is not a geological specimen
n/a
none
Gastropod Internal Mold (Steinkern)
Class Gastropoda fossil mold (Phylum Mollusca)
sedimentary
White Quartz (Mushroom Carving)
Quartz (Silicon Dioxide - SiO2)
mineral
Conglomerate
Polymictic Conglomerate
sedimentary
Fossiliferous Sandstone (with Brachiopod or Bivalve mold)
Clastic Sedimentary Rock with Macrofossil Mold
sedimentary
Quartz Geode
Silicon Dioxide (SiO2)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Sandstone (Pebble)
Arenite (primarily SiO2)
sedimentary
Asphalt (Road Aggregate)
Bituminous Conglomerate / Asphalt Concrete
Anthropogenic (Man-made)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Clear Quartz Point
Silicon Dioxide (SiO2)
mineral
Sandstone with Concretions / Liesegang Rings
Arenite with iron oxide banding
sedimentary
Sandstone (likely Fossiliferous)
Arenite / Fossiliferous Sandstone (SiO2 composition)
sedimentary
Granite
Granite (a common name for a felsic intrusive igneous rock)
Igneous Rock
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Geode (Quartz chalcedony variety)
SiO2 (Silicon Dioxide)
sedimentary
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Gold
Native Gold (Au)
Mineral
Sandstone with Ironstone Banding
Clastic Sandstone (composed of Quartz with Hematite/Limonite bonding)
sedimentary
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of Titanium, Iron, or Manganese
mineral
Red Sandstone
Arenite (Ferruginous Sandstone)
sedimentary
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Sandstone (with differential weathering)
Arenite / Quartz Sandstone (SiO2)
sedimentary
Sandstone with Liesegang Rings
Arenite with Iron Oxide Concretions
sedimentary
Gold Nugget
Native Gold (Au)
mineral
Quartz (Citrine or Iron-Stained)
Silicon Dioxide (SiO2)
mineral
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Quartz (specifically Clear Quartz or Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Chalk
Micrite (primarily Calcium Carbonate, CaCO3)
sedimentary
Quartz Geode
Silicon Dioxide (SiO2) within a geode
mineral
Gold Nugget
Native Gold (Au)
mineral
Glacial Erratic (Sandstone/Quartzite)
Glacial Erratic specimen (likely Orthoquartzite or Feldspathic Sandstone)
sedimentary or metamorphic
Granite
Granite (a common rock name, not a single mineral species, composed primarily of quartz, feldspar, and mica/amphibole)
igneous
Quartz (Milky/Smoky variety)
Silicon Dioxide (SiO2)
mineral
Magnetite
Magnetite (Fe3O4)
mineral