Quartz with Epidote inclusions
Silicon Dioxide (SiO2) with Epidote (Ca2(Al,Fe)3(SiO4)3(OH))
Category
Browse mineral simulant (synthetic glass) specimens identified by the Rock Identifier community.
Quartz with Epidote inclusions
Silicon Dioxide (SiO2) with Epidote (Ca2(Al,Fe)3(SiO4)3(OH))
Botryoidal Chalcedony
Silicon Dioxide (SiO2)
Quartz (Citrine variety)
Silicon Dioxide (SiO2)
Sandstone
Sandstone (SiO2 rich)
Sandstone
Sedimentary Rock (Quartz Arenite)
Quartz Vein (Iron-stained)
Silicon Dioxide (SiO2) with limonite/hematite staining
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz/Yellow Quartz
Silicon Dioxide (SiO2)
Feldspar (Plagioclase / Potassium Feldspar)
Feldspar Group (KAlSi3O8 - NaAlSi3O8 - CaAl2Si2O8)
Celestite
Celestine (SrSO4)
Milky Quartz with Iron Staining
Silicon Dioxide (SiO2)
Goldstone (aventurine glass)
Man-made copper-bearing glass; not a natural mineral (commonly sold as blue/brown goldstone)
Quartz-rich breccia or vein quartz fragment
Quartz (SiO₂), likely with iron-oxide staining and attached host rock
Obsidian
Volcanic Glass (Amorphous Silica)
Rose Quartz
Quartz (Silicon Dioxide, SiO2) with trace inclusions of dumortierite
Ruby (Raw Corundum)
Alumina (Al2O3) with Chromium traces
Sandstone (likely Arkosic or Lithic Sandstone)
Arenite (SiO2 based with mineral inclusions)
Milky Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Quartz
Silicon Dioxide (SiO2)
Milky quartz
Quartz, silicon dioxide (SiO₂)
Milky Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Quartz with impurities or Host Rock
SiO2 (Silicon Dioxide) with mixed silicates
Smoky Quartz
Silicon dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz (Milky/Tan)
Silicon Dioxide (SiO2)
Quartz Geode
Silicon dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz-rich rock, possibly milky quartz or quartzite
Quartz (SiO₂), potentially quartzite if the grains are fused
Quartz Pebble
Silicon Dioxide (SiO2)
Sandstone
Arenite (SiO2 dominated sandstone)
Sandstone
Clastic sedimentary rock (primarily quartz arenite)
Sandstone
Arenite
Sandstone
Arenite (SiO2 primarily)
Sandstone (likely Quartzose Sandstone)
Arenite (composed primarily of SiO2)
Sandstone
Clastic Sedimentary Rock
Green Jasper
Microcrystalline Quartz (SiO2)
Apatite
Calcium phosphate fluoride/chloride, Ca5(PO4)3(F,Cl,OH)
Amethyst and Smoky Quartz (Tumbled)
Silicon Dioxide (SiO2) with trace impurities iron (Amethyst) and aluminum/radiation (Smoky Quartz)
Milky Quartz
Silicon Dioxide (SiO2)