Chert (Flint / Jasper variant)
Microcrystalline Quartz (SiO2)
Category
Browse man made glass mineral simulant specimens identified by the Rock Identifier community.
Chert (Flint / Jasper variant)
Microcrystalline Quartz (SiO2)
Amethyst
SiO2 (Silicon Dioxide)
Green Banded Chert (Agate/Jasper)
Silicon Dioxide (SiO2) with trace impurities of Chlorite or Glauconite
Diamond
Carbon (C)
Pearl
Organic gemstone (Calcium carbonate - CaCO3)
Diamond (in a jewelry setting)
Cubic Carbon (C)
Red Jasper
Jasper (Silicon Dioxide with Iron Oxide inclusions, SiO2 + Fe2O3)
Chert (Black Flint)
Silicon Dioxide (SiO2)
Carved quartz (likely rose quartz and green aventurine/quartz)
Quartz, silicon dioxide (SiO₂); green material may be aventurine quartz or serpentine
Chert (Chocolate or Brown Flint)
Chert (SiO2)
Chert (Flint)
Silicon Dioxide (SiO2)
Desert Rose (Baryte or Gypsum Rose)
Baryte (BaSO4) or Gypsum (CaSO4·2H2O)
Brown Chert
Microcrystalline Quartz (SiO2)
Malachite
Malachite (Copper Carbonate Hydroxide) - Cu2CO3(OH)2
Diamond (faceted)
Diamond (Pure Carbon, C)
Pearl
Aragonite (CaCO3) with Conchiolin
Granite
Phaneritic Igneous Rock (composed primarily of Quartz, Alkali Feldspar, and Plagioclase)
Sandstone (Quartzose)
Sandstone (SiO2 dominated)
Granite
Granite (Phaneritic igneous rock)
Gemstone bead necklace (likely citrine or yellow quartz)
Quartz, SiO₂; precise identification is uncertain because the beads are blurred and metal settings obscure them
Chert (Common Opal/Jasper variety)
Cryptocrystalline Quartz (SiO2)
Chert
Microcrystalline quartz (SiO2)
Quartzite
Metamorphic Quartzite (SiO2)
Chert (varieties include Flint and Mudstone)
Microcrystalline Silica (SiO2)
Chert (Flint)
Silicon Dioxide (SiO2)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Sandstone
Arenite (composed primarily of SiO2)
Chert (Flint Nodules)
Cryptocrystalline Quartz (SiO2)
Quartzite pebble
Quartzite (SiO2)
Chert (Flint/Chalcedony)
Silicon Dioxide (SiO2)
Granite
Intrusive Felsic Igneous Rock (primarily Quartz and Feldspar)
Sandstone
Arenite
Chert (often called Flint or Jasper if reddish)
Microcrystalline Quartz (SiO2)
Sunstone (Aventurine Feldspar)
(Ca,Na)((Al,Si)2Si2O8) with inclusions of Cu or Fe2O3
Diamond
Diamond (pure Carbon, C)
Diamond
Carbon (C)
Rough Diamond
Pure Carbon (C)
Sunstone
(Ca,Na)((Al,Si)2Si2O8) - Plagioclase Feldspar
Pearl
Biogenic Calcium Carbonate (Aragonite/Calcite), CaCO3
Red Sandstone
Arenite (Fe2O3 enriched)
Red Sandstone
Arenite (with Iron Oxide / Hematite staining)
Sandstone
Arenite