Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Category
Browse mineral simulant (synthetic glass) specimens identified by the Rock Identifier community.
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Rose Quartz
Silicon Dioxide (SiO2)
Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Amethyst
Silicon Dioxide (SiO2) with iron impurities
Quartz Druzy (on Matrix)
Silicon Dioxide (SiO2)
Rose Quartz
Silicon dioxide (SiO2)
Jasper
Quartz (SiO2) with impurities
Mica Schist
Mica Schist (KAl2(AlSi3O10)(OH)2 in Matrix)
Ferruginous Quartz
Silicon Dioxide (SiO2) with Hematite (Fe2O3) inclusions
Milky Quartz (Tumbled)
Silicon Dioxide (SiO2)
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Leopard Skin Jasper
Silicon Dioxide (SiO2) with various inclusions
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Common Opal in Host Rock
Hydrated Silica (SiO2·nH2O)
Jasper
Silicon dioxide (SiO2) with impurities
Garnet (Almandine)
Almandine (Fe3Al2(SiO4)3)
Dendritic Jasper (River Stone)
Silicon Dioxide (SiO2) with Manganese/Iron Oxide inclusions
Rose Quartz
Quartz (Silicon Dioxide - SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Milky Quartz with Iron Staining
Quartz (Silicon Dioxide, SiO2)
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Jasper with Quartz Vein
Silicon Dioxide (SiO2) with impurities
Rose Quartz
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Smoky Quartz
Smoky Quartz (Silicon Dioxide, SiO2)
Pyrite
Iron Sulfide (FeS2)
Sandstone (with Feldspathic/Arkose qualities)
Arenite (primarily SiO2 with KAlSi3O8 components)
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Sandstone (with carbonaceous plant fragments)
Arenite (composed primarily of SiO2)
Sandstone (Red/Brown Variety)
Arenite (composed primarily of SiO2 with Fe2O3 iron oxide inclusions)
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Smoky Quartz
Silicon Dioxide (SiO2)
Amethyst
Crystalline Silicon Dioxide with Iron impurities (SiO2)
Amethyst
Silicon Dioxide with trace Iron (SiO2)
Amber
Succinite (specifically for Baltic amber); Chemical formula approximately C10H16O
Tree Agate
Dendritic Agate (Silicon Dioxide, SiO2)
Druzy Quartz on Chalcedony Matrix
Silicon Dioxide (SiO2)
Red Jasper (Polished)
Silicon Dioxide (SiO2) with Hematite inclusions
Chert (Flint variety)
Microcrystalline Quartz (SiO2)
Chert / Jasper
Microcrystalline Quartz (SiO2)