Chert (variously Flint)
Chert (Microcrystalline or cryptocrystalline Quartz, SiO₂)
Category
Browse synthetic (man made glass) specimens identified by the Rock Identifier community.
Chert (variously Flint)
Chert (Microcrystalline or cryptocrystalline Quartz, SiO₂)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Bull Quartz
Quartz (Silicon Dioxide - SiO2)
Quartzite Pebble
Quartzite (primarily SiO2)
Quartz Crystal Cluster
Silicon Dioxide (SiO2)
Sandstone
Arenite (primarily SiO2)
Quartzite River Rock
Quartzite (primarily SiO2)
Sandstone (with Limonite staining)
Arenite (FeOx-rich)
Sandstone (Quartzose Sandstone)
Arenite
Sandstone (likely Quartzose Sandstone)
Arenite (primarily SiO2)
Sandstone
Arenite (composed primarily of SiO2)
Sandstone
Arenite (SiO2 primarily)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Quartz (Milky/Clear Variety)
Silicon Dioxide (SiO2)
Sandstone (Ferruginous)
Arenite (Fe-rich)
Quartzite
Quartzite (SiO2)
Quartz (specifically Clear Quartz with iron/hematite staining)
Silicon Dioxide (SiO2)
Sandstone
Arenite (primarily SiO2)
Quartzite
Quartzite (SiO2)
Sandstone
Clastic sedimentary rock (primarily SiO2)
Lepidolite
Lepidolite (K(Li,Al)3(Al,Si)4O10(F,OH)2)
Quartz Vein in Siltstone
SiO2 (Quartz) on clastic sedimentary matrix
Quartz Pebble
Silicon Dioxide (SiO2)
Sandstone (with potential mineral staining/concretions)
Arenite (SiO2 based)
Sandstone (specifically Red Sandstone)
Arenite (primarily Quartz, SiO2)
Sandstone
Arenite (primarily SiO2)
Sandstone
Arenite (SiO2 based)
Sandstone
Clastic sedimentary rock (primarily SiO2)
Red Sandstone
Clastic Terrigenous Sedimentary Rock (typically Hematitic Quartz Arenite or Arkose)
Quartz (Specifically Clear to Smoky Quartz point)
Silicon Dioxide (SiO2)
Quartz (Milky Variant)
Quartz (Silicon Dioxide, SiO2)
Sandstone with Iron Oxide
Arenite (SiO2 with Fe2O3 staining)
Sandstone (Quartz-rich)
Sandstone (SiO2 dominated)
Sandstone
Arenite (primarily SiO2)
Sandstone (Quartzose)
Arenite (primarily SiO2)
Sandstone
Arenite (composed mainly of SiO2)
Sandstone (Ferruginous)
Arenite (primarily SiO2 with Fe2O3 staining)
Lepidolite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz (among River Rock)
Quartz (Silicon Dioxide, SiO2)
Pink Lepidolite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
White Quartz Pebble
Silicon Dioxide (SiO2)