Sandstone (Quartzose)
Arenite (primarily SiO2)
Category
Browse man made silicate (anthropogenic glass) specimens identified by the Rock Identifier community.
Sandstone (Quartzose)
Arenite (primarily SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Green Aventurine
Silicon Dioxide (SiO2) with Fuchsite inclusions
Calligraphy Stone
Mariam Jasper (Fossiliferous Limestone composed of Hematite and Shell remains)
Sandstone (Quartzose)
Arenite (primarily SiO2)
Smoky Quartz (Faceted Beads)
Silicon Dioxide (SiO2)
Jasper (Multi-colored) / Sea Glass Slag
Silicon Dioxide (SiO2) with impurities of Iron Oxide
Quartz (Water-worn Pebble)
Quartz (Silicon Dioxide, SiO2)
Sandstone
Arenite (primarily SiO2)
Sandstone
Arenite (composed primarily of SiO2)
Sandstone
Arenite (primarily SiO2)
Sandstone
Arenite (composed primarily of SiO2)
Sandstone
Arenite
Quartzite
Quartzite (mostly SiO2)
Sandstone
Arenite (SiO2 primarily)
Sandstone
Arenite (primarily SiO2)
Sandstone
Arenite (primarily SiO2)
Quartzite
Quartzite (SiO2)
Sandstone (Quartzose Sandstone)
Arenite (SiO2)
Sandstone
Arenite (primarily Quartz, SiO2)
Sandstone (with potential trace fossils)
Clastic sedimentary rock (primarily SiO2)
Sandstone (with Concretion)
Arenite / Quartzose Sandstone
Sandstone
Clastic sedimentary rock (primarily SiO2)
Coarse Sandstone
Arenite (SiO2 based)
Orange Quartzite
Metamorphic Quartzite (primarily SiO2)
Chert (Agate/Flint variant)
Microcrystalline Quartz (SiO2)
Quartzite (River Cobble)
Quartzite (predominantly SiO2)
Clear Quartz Crystal
Quartz (Silicon Dioxide, SiO2)
Quartz
Quartz (SiO₂ - Silicon Dioxide)
Chert (Cherty Limestone / Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Obsidian
Obsidian (Volcanic Glass, SiO2 + impurity)
Milky Quartz with Inclusions
Silicon Dioxide (SiO2)
Pumice
Vesicular volcanic glass (Amorphous silica mixed with various oxides)
Quartzite
Quartzite (primarily SiO2)
Quartzite (River Stone)
Quartzite (mainly SiO2 with iron oxide staining)
Phantom Quartz with Chlorite and Hematite inclusions
Silicon Dioxide (SiO2) with inclusions of Chlorite group minerals and Hematite (Fe2O3)
Red Quartzite (Strawberry Quartz)
Quartzite (SiO2 with iron oxide inclusions)
Chert (Nodule)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Sandstone
Arenite (primarily SiO2)
Sandstone
Arenite (primarily SiO2)
Sandstone (Quartzose Sandstone)
Arenite
Sandstone
Arenite (composed primarily of SiO2)