Chert (Chert / Flint)
Microcrystalline Quartz (SiO2)
Category
Browse synthetic (man made glass) specimens identified by the Rock Identifier community.
Chert (Chert / Flint)
Microcrystalline Quartz (SiO2)
Chert
Microcrystalline Quartz (SiO2)
Chert (Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Precious Coral (Red Coral)
Corallium rubrum (Calcium Carbonate, CaCO3)
Chert (Flint)
Silicon Dioxide (SiO2)
Chert / Flint
Silicon Dioxide (SiO₂)
Quartzite
Metamorphic Quartzite (SiO2)
Probable amber fragment
Amber (fossilized plant resin; chiefly amorphous organic resin, commonly dominated by succinite)
Chert / Flint
Silicon Dioxide (Microcrystalline Quartz, SiO2)
Diamond
Native Carbon (C)
Diamond (or Simulant)
Carbon (C) or Cubic Zirconia (ZrO2)
Diamond (in a jewelry setting)
Carbon (C)
Sandstone
Arenite (SiO2 primarily)
Jasper
Silicon dioxide (SiO2) with impurities
Carborundum (Silicon Carbide)
Silicon Carbide (SiC)
Chert (Flint)
SiO2 (Microcrystalline Quartz)
Chert (often called Flint in archaeological contexts)
Silicon Dioxide (SiO2)
Chert (Jasper variation)
Microcrystalline Quartz (SiO2)
Banded Chert
Microcrystalline Quartz (SiO2)
Quartzite
Metamorphic Quartzite (SiO2)
Diamond
Carbon (C)
Sandstone
Arenite (primarily SiO2)
Chert (specifically Flint or Nodular Chert)
Silicon dioxide (SiO2)
K2 Stone (or K2 Jasper)
Azurite-in-Granite (Potassium Feldspar, Quartz, Plagioclase, Muscovite, and Azurite)
Chert Arrowhead
Chert (Cryptocrystalline variety of Quartz, SiO2)
Cubic Zirconia (Faceted)
Zirconium dioxide (ZrO2)
Cubic Zirconia (Simulated Diamond)
Zirconium dioxide (ZrO2)
Dyed Agate Geode
Silicon Dioxide (SiO2) with artificial pigment
Sea Glass (Uranium/Vaseline Glass variant)
Silicon Dioxide (SiO2) with trace Uranium Oxide (U3O8)
Quartzite
Metamorphic Quartzite (SiO2)
Red Quartzite
Quartzite (SiO2)
Clear Quartz (Faceted) / White Sapphire / Goshenite
Silicon Dioxide (SiO2) / Aluminium Oxide (Al2O3)
Tektite (Indochinite)
Tektite (Amorphous Silica Glass)
Chert (often called Flint)
Chert (Cryptocrystalline Quartz, SiO2)
Sandstone
Sedimentary Rock (Quartz Sandstone)
Chert (Flint)
Silicon Dioxide (SiO2)
Chert (Flint)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Chert (varietal Chalcedony or Flint)
Silicon dioxide (SiO2) - Microcrystalline Quartz
Sea Glass (Kelly Green)
Amorphous Silica (Silicon Dioxide with Iron/Chromium additives)
Sedimentary Rock with Crafts (Pet Rock)
Sedimentary rock decorated with synthetic materials
Pink Dyed Agate
Silicon Dioxide (SiO2) with synthetic pigment
Dyed Quartzite
Metamorphosed Quartz (SiO2) with synthetic pigment