Aquamarine
Beryl (Be3Al2Si6O18)
mineral
Category
Mineral Based Alloy (Anthropogenic)
Browse mineral based alloy (anthropogenic) specimens identified by the Rock Identifier community.
Learn about Mineral Based Alloy (Anthropogenic) in the encyclopedia
View all →
Sandstone with Manganese Dendrites
Clastic Sedimentary Rock (SiO2 based with MnO2 inclusions)
sedimentary
Iron Slag
Ferrous Slag (Silicate/Oxide mixture)
industrial byproduct (anthropogenic)
Sandstone
Arenite (specifically Iron-stained Quartz Sandstone)
sedimentary
Marble
Metamorphosed Limestone (principally CaCO3)
metamorphic
Cubic Zirconia
Zirconium Dioxide (ZrO2)
mineral
Chert (Arrowhead/Projectile Point)
Microcrystalline quartz (SiO2)
sedimentary
Gold Nugget Jewelry
Native Gold (Au)
mineral
Dinosaur Fossil (Tyrannosaurus rex skull replica/specimen)
Tyrannosaurus rex (fossilized in permineralized sedimentary matrix)
sedimentary
Chert (Arrowhead Fragment)
Microcrystalline Quartz (SiO2)
sedimentary
Hag Stone
Perforated Sedimentary Rock
sedimentary
Silver (Native Element)
Ag (Native Silver), with minor Copper (Cu)
mineral
Slag (Industrial Byproduct)
Ferrous/Non-ferrous Silicate
igneous (artificial/anthropogenic)
Slag
Ferrous Slag (Amorphous calcium-magnesium-aluminum silicates)
igneous (artificial/anthropogenic)
Asphalt Concrete
Bituminous Concrete
sedimentary (artificial)
Yellow Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
sedimentary
Synthetic Faux Fur Fursuit
Polyacrylonitrile / Polyester (Synthetic Textile)
not a rock (synthetic material/costume)
Slag (Industrial Glass)
Artificial Vitreous Silicate
mineraloid (anthropogenic)
N/A (This is a digital image of a bar graph)
Digital Data Visualization (Bar Chart)
This is not a rock or mineral
Amber Inlay Jewelry
Fossilized Resin (C10H16O)
Organic Gemstone (Biogenic)
Quartz (Water-worn Pebble)
Quartz (Silicon Dioxide, SiO2)
mineral
Lava Rock with Fabric Impression
Scoria or Basalt with anthropogenic impressions
igneous
Iron Slag
Anthropogenic Vitreous Ferrous Silicate
industrial byproduct (anthropogenic)
Asphalt Chunk (with aggregate)
Bituminous concrete / Anthropogenic conglomerate
sedimentary (anthropogenic/man-made conglomerate)
Blue Sea Glass
Amorphous Silica (Anthropogenic glass)
not a rock (man-made origin)
Chert (Arrowhead/Projectile Point)
Microcrystalline quartz (SiO2)
sedimentary
Chert (Arrowhead)
Chert (SiO2)
sedimentary
Chert (often called Flint)
Chert (Microcrystalline Quartz, SiO2)
sedimentary
Celestite (Celestine)
Strontium sulfate (SrSO4)
mineral
Slag
Anthropogenic Vitrophyre (Iron or Smelting Slag)
Mineral-like byproduct
Sandstone
Arenite (SiO2 based typically)
sedimentary
Chert (Yellow Jasper)
Cryptocrystalline Quartz (SiO2)
sedimentary
Native Copper
Native Copper (Cu)
mineral
Copper Ore
Native Copper (Cu) often found with Chalcocite (Cu2S) or Bornite (Cu5FeS4)
mineral
Sandstone
Arenite
sedimentary
Leland Blue Stone
Anthropogenic Iron Smelting Slag
mineraloid
Fossilized Shark Tooth
Bioapatite (Calcium Hydroxyapatite) replacement
mineral
Sandstone
Arenite (SiO2 based with cement)
sedimentary
Aquamarine
Beryl (Be3Al2Si6O18)
mineral
Shungite
Shungite (carbon-rich Precambrian rock)
mineral
Sandstone (Ferruginous)
Clastic sedimentary rock (primarily SiO2 with Fe2O3 cement)
sedimentary
Iron Meteorite (likely Chondrite or weathered Iron-Nickel)
Meteorite (Fe-Ni alloy & silicates)
igneous