Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Category
Manufactured Glass (Simulant)
Browse manufactured glass (simulant) specimens identified by the Rock Identifier community.
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Clear Quartz
Silicon Dioxide (SiO2)
mineral
Possible tumbled jasper or iron-rich chert
Microcrystalline quartz (SiO₂), commonly colored by iron oxides
mineral
Likely quartz-rich brown rock, possibly iron-stained quartz or quartzite
Quartz (SiO₂), possibly in quartzite or iron-oxide-bearing vein material
mineral
Green Aventurine
SiO2 (Silicon Dioxide with Fuchsite inclusions)
mineral
Quartz Sandstone
Quartz Arenite
sedimentary
Quartz Pebble
Silicon Dioxide (SiO2)
sedimentary
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz Vein Rock
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Sandstone
Clastic Sedimentary Rock
sedimentary
White Quartz Crystal Cluster
Silicon Dioxide (SiO2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Sandstone
Sedimentary Clastic Rock (Quartz-rich)
sedimentary
Carbonate Beach Sand
Biogenic Carbonate Sediment (CaCO3)
sedimentary
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Quartz (Tumbled)
Silicon Dioxide (SiO2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Quartz (Smoky Quartz)
Silicon Dioxide (SiO2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Sandstone
Sedimentary Rock (Quartzose Sandstone)
sedimentary
Sandstone
Arenite
sedimentary
Sandstone Cobble
Arenite (primarily SiO2)
sedimentary
Sandstone
Arenite (SiO2 primarily)
sedimentary
Sandstone
Arenite (SiO2 primarily)
sedimentary
Sandstone
Arenite
sedimentary
Sandstone
Arenite (primarily composed of SiO2)
sedimentary
Sandstone
Clastic sedimentary rock (primarily SiO2)
sedimentary
Quartz (Clear Quartz)
Silicon Dioxide (SiO2)
mineral
Massive Quartz
Silicon dioxide (SiO2)
mineral
Blue Slag Glass
Amorphous Silica (Industrial byproduct)
Antropogenic (Man-made glass byproduct)
Likely polished dark gemstone cabochon
Indeterminate; possibly black chalcedony/agate, obsidian, or glass imitation
gemstone
Iridescent polished/tumbled stone (likely coated quartz or glassy synthetic material)
Indeterminate; possibly quartz (SiO₂) with an artificial iridescent coating
mineral
Green sea glass (likely bottle glass)
Man-made soda–lime silicate glass; not a natural mineral
mineral
Cullet (Slag Glass)
Amorphous Silica (Industrial byproduct)
mineraloid
Tumbled white quartz (likely milky quartz)
Quartz, silicon dioxide (SiO₂)
mineral
Cullet Glass (Man-made Glass Slag)
Amorphous Silica (SiO2) with chemical additives
Mineraloid
Black volcanic glass or basalt pendant
Likely basalt (fine-grained mafic rock), possibly obsidian (volcanic glass)
igneous
Limestone with Calcite Crystals
Sedimentary Rock containing Calcium Carbonate (CaCO3)
sedimentary
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Gemstone ring (stones not identifiable from image)
Unknown; the ring appears to contain two yellow stones and one colorless stone, possibly faceted gemstones or simulants
gemstone