White Quartz (Carved or Tumbled)
Silicon Dioxide (SiO2)
Category
Browse man made byproduct (non geological) specimens identified by the Rock Identifier community.
White Quartz (Carved or Tumbled)
Silicon Dioxide (SiO2)
Quartz (Milky/Clear variety)
Silicon Dioxide (SiO2)
Quartz (Milky/Common)
Silicon Dioxide (SiO2)
Quartz (Clear Quartz/Rock Crystal)
Silicon Dioxide (SiO2)
Basalt
Basalt (containing mainly Plagioclase feldspar and Pyroxene)
Chert (varieties include Flint and Mudstone)
Microcrystalline Silica (SiO2)
Chert (Nodule)
Microcrystalline Quartz (SiO2)
Sandstone
Arenite (primarily Quartz, SiO2)
Amber
Fossilized Tree Resin (Amorphous Hydrocarbon)
Quartz (Milky/Common)
Silicon Dioxide (SiO2)
Chromium (Chrome)
Chromium (Cr)
Clear Quartz
Silicon Dioxide (SiO2)
Quartz Crystal Point
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Sandstone
Arenite (primarily SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz (Milky/Gray variety)
Silicon Dioxide (SiO2)
Red Swirl Beads (Likely Resin or Glass, simulating Red Jasper or Agate)
N/A (for the beads as pictured); Red Jasper: SiO2 (Chert variety); Red Agate: SiO2 (Chalcedony variety)
Milky Quartz
Silicon Dioxide (SiO2)
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Sandstone
Arenite (composed primarily of SiO2)
Chert (Chalcedony/Agate variety)
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Quartz Geode
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Quartz (Common or Milky)
Silicon Dioxide (SiO2)
Petrified Wood
Silicified Wood (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Chalk (Sedimentary Pebble)
Calcium Carbonate (CaCO3) - Biogenic Limestone
Yellow Chalcedony
Chalcedony (a cryptocrystalline variety of Quartz, SiO₂)
Chert (Chert / Flint Variety)
Microcrystalline / Cryptocrystalline Quartz (SiO2)
Quartzite
Quartzite (mostly SiO2)
Milky Quartz Pebble
Silicon Dioxide (SiO2)
Chert (Jasper)
Microcrystalline Quartz (SiO2) with Iron Oxide inclusions
Sandstone
Arenite (SiO2 based typically)
Sandstone (Quartz Arenite)
Sandstone (dominated by SiO2 quartz grains)
Chalk
Calcium Carbonate (CaCO3)
Milky Quartz
Silicon Dioxide (SiO2)
Clear Quartz
Quartz (Silicon Dioxide - SiO2)
Jasper (specifically Yellow/Red Jasper)
Silicon Dioxide (SiO2) with iron oxide inclusions