Sandstone (with Iron Staining)
Clastic sedimentary rock (primarily Quartz with Limonite/Goethite staining)
sedimentary
Category
Mineral (Man Made Glass)
Browse mineral (man made glass) specimens identified by the Rock Identifier community.
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Quartz Cluster (Likely Ferruginous)
Silicon Dioxide (SiO2)
mineral
Quartz (Sea Glass or River-worn Pebble style)
Silicon Dioxide (SiO2)
mineral
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
White Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Granite (River Pebble)
Phaneritic intrusive igneous rock (Felsic)
igneous
Quartz
Silicon Dioxide (SiO2)
mineral
Tumbled brown quartz/chalcedony (probable)
Quartz, SiO₂; possibly brown chalcedony or jasper
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
mineral
Green Quartz (Prasiolite/Adventurine)
Silicon Dioxide with inclusions (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
sedimentary
Green Aventurine
Quartz (SiO2) with fuchsite inclusions
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
sedimentary
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Milky quartz pebble
Quartz (silicon dioxide, SiO₂)
mineral
Quartz and Limestone Grouping
Silicon Dioxide (SiO2) / Calcium Carbonate (CaCO3)
mineral
Amber
Succinate (Fossilized Tree Resin)
fossil
Quartz pebble
Silicon dioxide (SiO2)
Mineral
Milky Quartz with Country Rock contact
Silicon Dioxide (SiO2) in contact with Metamorphic/Igneous rock
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
White Quartz
Silicon Dioxide (SiO2)
mineral
Tektite (Indochinite)
Tektite (Silica-rich natural glass)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Quartz Geode
Silicon Dioxide (SiO2)
mineral
Blue and White Quartz
Crystalline Silicon Dioxide with inclusions (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Sandstone with Iron Staining
Arenite (SiO2 with FeO(OH) impurities)
sedimentary
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Milky Quartz with Mineral Inclusions
Silicon Dioxide (SiO2)
mineral