Milky Quartz
Silicon Dioxide (SiO2)
mineral
Category
Mineral Simulant (Synthetic Glass)
Browse mineral simulant (synthetic glass) specimens identified by the Rock Identifier community.
Learn about Mineral Simulant (Synthetic Glass) in the encyclopedia
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Quartz
Silicon Dioxide (SiO2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Milky Quartz with Iron Inclusions
Silicon Dioxide (SiO2)
mineral
Tumbled yellow quartz (likely citrine or iron-stained quartz)
Quartz, silicon dioxide (SiO₂); yellow coloration likely from iron impurities
mineral
Orthoclase Feldspar
Orthoclase (KAlSi3O8)
mineral
Obsidian
Volcanic Glass (SiO2 + impurities)
igneous
Black Obsidian
Volcanic Glass (SiO2 + impurities)
Igneous
Milky Quartz with Mineral Inclusions
Quartz (Silicon Dioxide, SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Black Spinel
Magnesium Aluminum Oxide (MgAl2O4)
mineral
Sandstone (with potential iron mineralization)
Arenite
sedimentary
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Clear Quartz (Crystal Quartz)
Silicon Dioxide (SiO2)
mineral
Green Aventurine
Aventurine Quartz (SiO2 with Fuchsite inclusions)
mineral
Clear Quartz Sphere
Silicon Dioxide (SiO2)
mineral
Quartz (Peach/Pink Variety)
Silicon Dioxide (SiO2)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Milk Quartz (Snow Quartz)
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
sedimentary
Citrine (Yellow Quartz)
Silicon Dioxide (SiO2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
sedimentary
Quartz Geode
Silicon Dioxide (SiO2)
mineral
Quartz Pebble (Milky and Gray)
Quartz (Silicon Dioxide, SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Milk Quartz (Sea Glass appearance)
Silicon Dioxide (SiO2)
mineral
Sandstone
Arenite (Silicon Dioxide with various mineral cements)
sedimentary
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
White Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Agate
Agate (Chalcedony), SiO2
Mineral
Libyan Desert Glass
Impactite (High-silica tektite)
mineral
Sandstone (Quartzose Sandstone)
Clastic Sedimentary Rock (primarily SiO2)
sedimentary
Jasper
Silicon Dioxide (SiO2) - Microcrystalline Quartz
sedimentary
Quartz
Silicon Dioxide (SiO2)
mineral
Smoky Quartz in Matrix
Silicon Dioxide (SiO2)
mineral
Obsidian
Volcanic Glass (SiO2)
igneous
Obsidian
Obsidian (Volcanic Glass)
igneous
Quartz (Tumbled Peach/Pink Quartz)
Silicon Dioxide (SiO2)
mineral
Quartz (River Pebble)
Silicon Dioxide (SiO2)
mineral