Sandstone
Arenite (primarily SiO2)
Category
Browse antropogenic (man made glass byproduct) specimens identified by the Rock Identifier community.
Sandstone
Arenite (primarily SiO2)
Banded Chert (Flint)
Cryptocrystalline Quartz (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartzite
Quartzite (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Sandstone
Arenite (composed primarily of SiO2)
Sandstone (with potential mineral staining/concretions)
Arenite (SiO2 based)
Sandstone
Clastic sedimentary rock (primarily SiO2)
Sandstone (Ferruginous/Red Sandstone)
Clastic sedimentary rock (primarily SiO2 with Fe2O3)
Quartzite
Quartzite (primarily SiO2)
Pyrite
Iron Disulfide (FeS2)
Quartzite
Quartzite (primarily SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Chert (specifically Flint or Chalcedony nodule)
Microcrystalline Quartz (SiO2)
Sandstone
Arenite (SiO2 primarily)
Feldspar
Potassium Feldspar (KAlSi3O8)
Quartzite
Quartzite (primarily SiO2)
Sandstone
Arenite (Sedimentary rock composed of sand-sized minerals or rock grains)
Sunstone (Heliolite)
Plagioclase Feldspar ((Ca,Na)(Al,Si)4O8)
Sandstone (Ferruginous)
Sandstone (Clastic sedimentary rock, predominantly SiO2 with Fe2O3 cement)
White Quartz Pebble
Silicon Dioxide (SiO2)
Quartzite River Stone
Quartzite (primarily SiO2)
Sandstone (Yellow/Tan)
Clastic sedimentary rock (primarily SiO2 with iron oxide staining)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Clear Quartz Crystal Cluster
Silicon Dioxide (SiO2)
Quartzite
Quartzite (SiO2)
Sandstone
Arenite (Sedimentary Rock)
Quartzite Pebble
Quartzite (primarily SiO2)
Quartzite Pebble
Quartzite (primarily SiO2)
Sandstone (Micaceous)
Arenite (composed primarily of SiO2)
Feldspar (Orthoclase)
Potassium Feldspar (KAlSi3O8)
Sandstone Beach Pebble
Clastic sedimentary rock (SiO2 with iron oxide cement)
Milky Quartz
Silicon Dioxide (SiO2)
Orthoclase Feldspar (Twinning Specimen)
Orthoclase (KAlSi3O8)
Quartz (Smoky/Milky variant)
Silicon Dioxide (SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Quartz Druzy on Matrix (with Copper Mineralization)
Silicon Dioxide (SiO2) with Chrysocolla (Cu2-xAlx(H2-xSi2O5)(OH)4·n H2O)
Sandstone (Ferruginous)
Arenite (primarily SiO2 with Fe2O3 staining)
Sandstone
Arenite (Siliclastic sedimentary rock)
Sandstone
Arenite (primarily SiO2)
Quartzite
Quartzite (primarily SiO2)
Sandstone (Red)
Arenite (SiO2 with Fe2O3)