Milky Quartz
Silicon Dioxide (SiO2)
Category
Browse mineral (man made glass, not natural) specimens identified by the Rock Identifier community.
Milky Quartz
Silicon Dioxide (SiO2)
Mica (Biotite or Phlogopite variety)
Phyllosilicate (complex mineral formula involving K, Mg, Fe, Al, Si, and O)
Quartz Pebble
Silicon Dioxide (SiO2)
Jasper
Quartz (SiO2) with impurities
Quartz with Mica inclusion
Silicon Dioxide (SiO2) with Muscovite/Biotite inclusions
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Aquamarine
Beryllium aluminum silicate (Be3Al2Si6O18)
Quartz (specifically Milky or Clear Quartz)
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silica - SiO2)
Epidote with Quartz and Feldspar
Ca2(Al2,Fe3+)(SiO4)3(OH) (Epidote complex)
Clear Quartz
Silicon Dioxide (SiO2)
Milky Quartz with Iron Inclusions
Quartz (Silicon Dioxide, SiO2)
Milky Quartz Cobble
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Quartz Druze on Matrix
Silicon Dioxide (SiO2)
Quartzite
Quartzite (primarily SiO2)
Granite
Granite (Phaneritic Acidic Igneous Rock)
Jasper (Milky/Cream Variety)
Silicon Dioxide (SiO2) - variety of Chalcedony
Quartz (Chatoyant or Milky variety)
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Chalcedony (Grey/White Agate)
Silicon Dioxide (SiO₂)
Chert (Jasper variety)
Microcrystalline Quartz (SiO2)
Vuggy Quartz on Matrix
Silicon Dioxide (SiO2)
Chert (with Limestone and Iron Oxide staining)
Cryptocrystalline Quartz (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz Geode (Cracked)
Quartz (Silicon Dioxide, SiO2)
Celestite (Celestine)
Strontium sulfate (SrSO4)
Obsidian
Volcanic glass (SiO2 - Silicon dioxide predominant composition)
Aventurine
Quartz (SiO2) with inclusions of Fuchsite
Milky Quartz (Micro-specimen)
Silicon Dioxide (SiO2)
Obsidian
Volcanic Glass (Amorphous Silica)
Snowflake Obsidian
Obsidian with Cristobalite inclusions (Amorphous SiO2 + SiO2 inclusions)
Blue Quartzite
Quartzite (silicon dioxide, SiO2)
Red Jasper
Silicon Dioxide (SiO2)
Ferruginous Quartz
Iron-stained Quartz (Silicon Dioxide + Fe2O3 / FeO(OH))
Pink Quartz (Rose Quartz variant)
Silicon Dioxide (SiO2)
Quartz Pebble (Water-worn)
Silicon Dioxide (SiO2)
Chert (Chalcedony/Agate)
Microcrystalline Quartz (SiO2)
Chert (often found as Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Milky Quartz (Common Quartz)
Quartz (Silicon Dioxide, SiO2)
Rose Quartz
Silicon Dioxide with traces of Titanium, Iron, or Manganese (SiO2)