Rose Quartz and Milky Quartz
Silicon Dioxide (SiO2)
Category
Browse mineral simulant (synthetic glass) specimens identified by the Rock Identifier community.
Rose Quartz and Milky Quartz
Silicon Dioxide (SiO2)
Quartzite
Quartzite (primarily SiO2)
Pyrite
Iron Sulfide (FeS2)
Quartz Pebble
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Sandstone (Ferruginous)
Arenite (with Hematite/Limonite cement)
Chert (Chalcedony/Agate variety)
Silicon Dioxide (SiO2)
Almandine Garnet
Fe3Al2(SiO4)3
Carnelian
Carnelian (Silicon Dioxide - SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Quartz (Milky Quartz / Quartzite)
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Bloodstone (Heliotrope)
Silicon Dioxide (SiO2) with Iron Oxide inclusions
Chalcedony in Host Rock
Chalcedony (SiO2)
Petrified Wood (Silicified Wood)
Silicified Wood (primarily Chalcedony/Quartz, SiO2)
Yellow Quartz (Rough)
Silicon Dioxide (SiO2)
Tree Agate
Dendritic Agate (Silicon Dioxide, SiO2)
Chalcedony (Botryoidal/Drusy Quartz)
Silicon Dioxide (SiO₂)
Smoky Quartz (with possible Feldspar inclusions)
Silicon Dioxide (SiO2)
Banded Agate
Cryptocrystalline Quartz (SiO2)
Red Jasper
Silicon dioxide (SiO2) with iron oxide inclusions
Purple Lepidolite with Quartz
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
Green Aventurine
Silicon Dioxide (Quartz) with inclusions of Fuchsite (K(Al,Cr)2(AlSi3O10)(OH)2)
Sandstone
Clastic Sedimentary Rock (composed mostly of quartz and/or feldspar)
Sandstone
Arenite (primarily SiO2)
Muscovite Mica (with Schist)
Muscovite - KAl2(AlSi3O10)(OH)2
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Amethyst
Amethyst (Silicon Dioxide - SiO2 with impurities of Fe3+)
Rose Quartz
Silicon Dioxide (SiO2)
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Chert (variations include Flint/Jasper)
Chert (Silicon Dioxide, SiO2)
Quartz Druze on Matrix (Geode Fragment)
Quartz (Silicon Dioxide, SiO2)
Quartz (Milky/Clear Quartz)
Silicon Dioxide (SiO2)
Rough Citrine Quartz
Silicon Dioxide (SiO2) with iron impurities
Green Calcite
Calcite (Calcium Carbonate, CaCO3)
Chert Nodule (Fossiliferous Chert)
Microcrystalline Quartz (SiO2)
Pink Granite
Phaneritic Felsic Igneous Rock (Granite)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Snowflake Obsidian
Volcanic glass (SiO2 - Silicon Dioxide with Cristobalite inclusions)
Chert (Flint)
Silicon Dioxide (SiO2)
Sandstone (Ferruginous)
Arenite (Fe2O3 dominant staining)