Quartz (Alluvial Pebbles)
Silicon Dioxide (SiO2)
Category
Browse man made glass mineral simulant specimens identified by the Rock Identifier community.
Quartz (Alluvial Pebbles)
Silicon Dioxide (SiO2)
Quartz (Agate/Jasper pebble)
Silicon Dioxide (SiO2)
Quartz (Agate/Jasper pebble)
Silicon dioxide (SiO2)
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
Clastic Sedimentary Rock
Sandstone
Arenite
Sandstone
Arenite (SiO2 based)
Silver Sheen Obsidian
Volcanic Glass (Amorphous Silicon Dioxide - SiO2 with impurities)
White quartz pebble (likely milky quartz)
Quartz, silicon dioxide (SiO₂)
Quartzite (River Pebble)
Metamorphosed Quartz Sandstone (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Mahogany Obsidian
Volcanic glass (SiO2 with Hematite or Magnetite inclusions)
Green Aventurine
Silicon Dioxide (SiO2) with inclusions of Fuchsite
Green Aventurine (Gua Sha tool)
Quartzite with Fuchsite inclusions (SiO2 + K(Al,Cr)2AlSi3O10(OH)2)
Milky Quartz Vein in Host Rock
Silicon Dioxide (SiO2)
Carnelian
Chalcedony (Silicon Dioxide, SiO2 with Iron Oxide impurities)
Sandstone (likely Quartzose Sandstone with mineral staining)
Arenite (composed mainly of SiO2)
Quartz Geode/Druzy Quartz
Quartz (SiO₂)
Obsidian
Volcanic Glass (SiO2)
Obsidian
Obsidian (Volcanic Glass)
Black Obsidian
Volcanic Glass (SiO2)
Chert (Siliceous Pebble)
Microcrystalline / Cryptocrystalline Quartz (SiO2)
Granite Pebble
Felsic Intrusive Igneous Rock (composed of Quartz, Alkali Feldspar, and Plagioclase)
Milky quartz
Quartz (silicon dioxide, SiO₂)
Quartz (Milky/Bull Quartz)
Silicon Dioxide (SiO2)
Fluorite Tower
Fluorite (Calcium Fluoride - CaF2)
Sandstone
Arenite (SiO2 based)
Milky Quartz
Silicon Dioxide (SiO2)
Obsidian
Volcanic Glass (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz Crystal Cluster
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Amethyst (Quartz variety)
Silicon Dioxide (SiO2) with iron impurities
Speckled rounded stone, likely granite or granitic gneiss
Granite/granitic gneiss; primarily quartz (SiO₂), feldspar, and dark mica or amphibole
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Clear Quartz (Rock Crystal) Bracelet
Silicon Dioxide (SiO2)
Sandstone
Quartz Arenite / Sedimentary Rock