Quartz (Smoky/Brown variety)
Silicon dioxide (SiO2)
Category
Browse man made mineral simulant (glass) specimens identified by the Rock Identifier community.
Quartz (Smoky/Brown variety)
Silicon dioxide (SiO2)
Chert (Jasper variety)
Silicon Dioxide (SiO2)
Polished serpentine
Serpentine-group minerals, chiefly lizardite and/or antigorite; approximate formula Mg₃Si₂O₅(OH)₄
Obsidian
Volcanic Glass (SiO2)
Snowflake Obsidian
Obsidian with Cristobalite inclusions (mostly amorphous SiO2)
Iron-stained Quartz
Silicon Dioxide (SiO2) with Iron Oxide (Limonite/Goethite) inclusions
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Rose Quartz
Silicon Dioxide (SiO2) with trace Titanium, Manganese, or Iron
Milky quartz (rough quartz specimen)
Quartz, silicon dioxide (SiO₂)
Clear quartz crystal sphere
Quartz (silicon dioxide, SiO₂)
Smoky quartz (likely)
Quartz, silicon dioxide (SiO₂)
Arsenopyrite in Quartz Matrix
Arsenopyrite (FeAsS) with Quartz (SiO2)
Sheen Obsidian
Volcanic glass (SiO2 with inclusions)
Gold (Elemental Metal)
Gold (Au)
Obsidian
Obsidian (Volcanic Glass)
Quartz (Iron-Stained)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz with inclusions
Silicon Dioxide (SiO2)
Green Fluorite
Calcium Fluoride (CaF2)
Obsidian
Obsidian (Volcanic Glass)
Obsidian
Obsidian (Volcanic Glass)
Muscovite Mica
Muscovite (Potassium Mica) KAl2(AlSi3O10)(OH)2
Milky Quartz
Silicon Dioxide (SiO2)
Lepidolite
K(Li,Al)3(Si,Al)4O10(F,OH)2
Quartz (Milky/Clear variety)
Silicon Dioxide (SiO2)
Quartzite and Jasper Pebbles
Quartzite (re-crystallized Quartz) and Cryptocrystalline Quartz (SiO2)
Chalcedony Geode Fragment (Botryoidal)
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
Likely weathered quartz-bearing rock fragment
Indeterminate; appears to contain quartz (SiO₂) with iron-oxide staining, possibly from quartzite, granite, or pegmatite
Orange Quartz
Silicon Dioxide (SiO2) with iron inclusions
Quartz (Drusy/Crystalline)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz (Citrine or Iron-Stained)
Silicon Dioxide (SiO2)
Clear Quartz (Tumbled)
Silicon Dioxide (SiO2)
Quartz with Chlorite or Epidote inclusions
Silicon Dioxide (SiO2) with inclusions
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Green Fluorite
Fluorite (Calcium Fluoride - CaF2)
Quartz (Tumbled)
Silicon Dioxide (SiO2)
Milky Quartz (Ferruginous)
Silicon Dioxide (SiO2)
Quartz Crystal
Silicon Dioxide (SiO2)