Amber
Fossilized Tree Resin
Category
Browse artifact specimens identified by the Rock Identifier community.
Amber
Fossilized Tree Resin
Turquoise (possible Howlite imitation)
Hydrated phosphate of copper and aluminium (CuAl6(PO4)4(OH)8·4H2O)
Yellow Jade
Jadeite or Nephrite (various silicates)
Megalodon Shark Tooth (Partial Fossil)
Otodus megalodon (fossilized in Calcium Phosphate/Apatite)
Porphyry
Porphyritic Rhyolite/Andesite
Chert (Flint)
Silicon Dioxide (SiO2)
Chert
Microcrystalline Quartz (SiO2)
Chert (White Variety)
Microcrystalline Silica (SiO2)
Chert (varieties including Flint or Jasper)
Microcrystalline Quartz (SiO2)
Chert (variations like Flint or Jasper)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert
Microcrystalline Quartz (SiO2)
Chert (Nodule)
Cryptocrystalline Quartz (SiO2)
Chert (Flint)
Silicon Dioxide (SiO2)
Chert (Flint)
Chert (SiO2)
Chert (Flint)
Silicon Dioxide (SiO2)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Flint
Chert (Silicon dioxide, SiO2)
Chert (Flint variety)
Silicon Dioxide (SiO2)
Chert (often called Flint)
Silicon Dioxide (SiO2)
Chert (Flint Nodules)
Silicon Dioxide (SiO2)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Chert (Flint)
Chert (Microcrystalline Quartz, SiO2)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Diorite
Diorite (Intermediate intrusive igneous rock)
Chert / Flint
Microcrystalline quartz (SiO2)
Chert (Flint)
Silicon Dioxide (SiO2)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Chert (Flint)
Microcrystalline quartz (SiO2)
Porphyry
Porphyritic igneous rock
Flint
Silicon dioxide (SiO2)
Diorite
Intermediate plutonic igneous rock
Chert
Chert (SiO2)
Chert (Quartz Variety)
Chert (SiO2)
Chert
Chert (SiO2)
Chert (Flint variety)
Microcrystalline Quartz (SiO2)
Chert (and Chert Flake)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Flint)
Microcrystalline Quartz or Cryptocrystalline Silica (SiO2)
Chert (often called Flint when dark)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Iron-Nickel Meteorite (Possible Chondrite or Oxidized Iron)
Siderite (Nickel-Iron) or Chondrite (Si/Fe composite)