Diorite
Intermediate plutonic igneous rock
Category
Browse man made glass mineral simulant specimens identified by the Rock Identifier community.
Diorite
Intermediate plutonic igneous rock
Granodiorite
Granodiorite (phaneritic intrusive igneous rock)
Sea Glass (Frosted Glass)
Amorphous Silica (SiO2) with various metal oxide impurities
Granite
Granite (Phaneritic Quartz-Feldspar intrusive rock)
Emerald
Beryl (Be₃Al₂Si₆O₁₈), specifically the green variety colored by trace amounts of chromium or vanadium.
Granite
Plutonic Igneous Rock (composed typically of SiO2, Al2O3, K2O, Na2O, CaO)
Nephrite Jade
Nephrite
Muscovite Mica
Muscovite (Potassium Aluminum Silicate Hydroxide Fluoride), KAl2(AlSi3O10)(OH,F)2
Sandstone (likely Fossilized Wood or Concrete Simulacrum)
Arenite / Silicified Wood / Anthropogenic Concrete
Granite
Phaneritic Felsic Igneous Rock
Green Aura Quartz (Titanium treated Kyanite or Quartz)
Silicon Dioxide (SiO2) or Aluminum Silicate (Al2SiO5) with Titanium/Metal Oxide coating
Desert Rose (Baryte or Gypsum Rose)
Baryte (BaSO4) or Gypsum (CaSO4·2H2O)
Lapis Lazuli
Lapis Lazuli (a rock, not a single mineral; primary mineral is Lazurite (Na,Ca)8(AlSiO4)6(S,SO4,Cl)1-2
Chalcedony (or a variety of Chalcedony, likely Agate or Jasper)
Chalcedony (SiO₂)
Chert (Jasper/Flint variety)
Microcrystalline quartz (SiO2)
Banded Calcite or Travertine
Calcium Carbonate (CaCO3)
Diamond
Diamond (C)
Iron Slag
Ferrous slag (primarily silicates and oxides of calcium, iron, and magnesium)
Malachite
Malachite (Copper Carbonate Hydroxide) - Cu2CO3(OH)2
Pearl
Aragonite (CaCO3) with Conchiolin
Chert (specifically Jasper or Flint variety)
Cryptocrystalline Quartz (SiO2)
Moonstone
Orthoclase Feldspar ((K,Na)AlSi3O8) with Albite inclusions
Silver (Jewelry form)
Native Silver (Ag)
Quartz (Pebble)
Quartz (SiO₂)
Chert (Tan/Brown variety)
Chert (Silicon Dioxide, SiO2)
Chert (Nodular or Massive Variety)
Cryptocrystalline Quartz (SiO2)
Chert (often called Flint)
Microcrystalline Quartz (SiO2)
Chert (Nodule)
Chert (SiO2)
Moonstone (specifically Rainbow Moonstone / White Labradorite)
White Labradorite (Feldspar Group: (Na,Ca)(Al,Si)4O8)
Granodiorite
Granodiorite (Quartz + Plagioclase + Alkali Feldspar + Biotite/Hornblende)
Chert (Jasper variety)
Silicon Dioxide (SiO2)
Diamond (Cluster Ring)
Carbon (C)
Onyx (Black) and Mother of Pearl Inlay
Silicon Dioxide (SiO2) for Onyx; Aragonite (CaCO3) for Mother of Pearl
Sandstone
Arenite (composed primarily of Quartz: SiO2)
Engineered Quartz Stone
Agglomerated Quartz (SiO2 + Polymer Resin)
Chert (and associated river cobbles)
Silicon dioxide (SiO2)
Granite
Phaneritic Igneous Rock (composed mostly of Quartz, Feldspar, and Mica)
Chert
Microcrystalline Quartz (SiO2)
Chert (and/or Flint)
Chert (Cryptocrystalline variety of Quartz, SiO2)
Ferruginous Sandstone (Ironstone)
Clastic Sedimentary Rock (composed of SiO2 with Fe2O3/FeO(OH) cement)
Chert (Grey-Green Flint)
Microcrystalline silicon dioxide (SiO2)
Chert (Field-collected Arrowhead-shaped Fragment)
Microcrystalline or Cryptocrystalline Quartz (SiO2)