Mixed Gemstone Beaded Jewelry
Various minerals (e.g., Quartz varieties like Rose Quartz, Amethyst; Peridot; Garnet; etc.)
Category
Browse man made glass mineral simulant specimens identified by the Rock Identifier community.
Mixed Gemstone Beaded Jewelry
Various minerals (e.g., Quartz varieties like Rose Quartz, Amethyst; Peridot; Garnet; etc.)
Diorite
Diorite
Pyrite
Iron Sulfide (FeS2)
Angel Aura Quartz (Treated Clear Quartz)
Silicon Dioxide (SiO2) coated with Vaporized Silver and Platinum
Fossilized Shark Tooth (Sand Tiger)
Carcharias sp. (Fossilized Tooth)
Diorite
Intermediate plutonic igneous rock
Slate
Metamorphic pelitic rock
Chert (specifically Yellow/Brown Chert or Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Bismuth Crystal
Bismuth (Bi)
Fossilized Ray Barb (Stinger) Fragment
Myliobatiformes indet. (Fossil stingray spine)
Native Silver
Silver (Ag)
Megalodon Shark Tooth
Otodus megalodon
Fossilized Shark Tooth (Fragment)
Elasmobranchii gen. et sp. indet. (Calcium Phosphate / Apatite fossil)
Diamond (Cut Gemstone)
Natural Carbon (C)
Granite
Phaneritic Plutonic Felsic Rock
Red Swirl Beads (Likely Resin or Glass, simulating Red Jasper or Agate)
N/A (for the beads as pictured); Red Jasper: SiO2 (Chert variety); Red Agate: SiO2 (Chalcedony variety)
Pearl (with Peridot)
Calcium carbonate (CaCO3) + Conchiolin; Peridot: Magnesium iron silicate (Mg, Fe)2SiO4
Flint / Chert
Microcrystalline Quartz (SiO2)
Banded Sandstone
Arenite with Liesegang banding
Crackled Quartz (Blue Dyed)
Silicon Dioxide (SiO2) with anthropogenic dye
Petrified Wood (Silicified Wood)
Silicified Paleoflora (mainly Quartz, SiO2)
Sandstone (with iron staining)
Quartz Arenite / Ferruginous Sandstone
Desert Rose (Barite Rose / Gypsum Rose)
Barium Sulfate (BaSO4) or Hydrous Calcium Sulfate (CaSO4%22H2O)
Pyrite
Iron Sulfide (FeS2)
Tumbled sodalite with white calcite veining
Sodalite, Na8(Al6Si6O24)Cl2, commonly intergrown with calcite, CaCO3
Asphalt (Bituminous Concrete)
Bituminous mix / Anthropogenic conglomerate
Chert (specifically White Chert or Novaculite)
Silicon Dioxide (SiO₂)
Flint
Silicon Dioxide (SiO2) - Chert variety
Limonite (Iron Ore)
Hydrous Iron Oxide (goethite, lepidocrocite)
Rose Quartz Carving
Quartum roseum (Variety of Quartz, SiO2)
Rough Diamond
Diamond (Pure Carbon: C)
Chert (Jasper/Agate variety)
Silicon Dioxide (SiO2)
Pyrite
Iron Disulfide (FeS2)
United States Quarter Dollar
Cupronickel Clad Alloy (75% Copper, 25% Nickel over a 100% Copper core)
Diamond
Carbon (C)
Granite
Granite (a common rock type, not a single mineral with a formula. Composed primarily of quartz, feldspar, and mica/amphibole).
Chert (or Flint)
Chert (a cryptocrystalline variety of quartz, SiO2)
Carnelian
Chalcedony (cryptocrystalline quartz), SiO2
Diorite
Diorite (Intermediate intrusive igneous rock)
Chalcanthite (Likely Synthetic/Lab-Grown)
Hydrated copper(II) sulfate (CuSO4·5H2O)
Chert (and Flint)
Silicon Dioxide (SiO2)
Dyed Quartz (often sold as 'Blue Quartz' or 'Blue Agate')
Silicon Dioxide (SiO2) with artificial pigment