Chert (often called Flint in archaeological contexts)
Silicon Dioxide (SiO2)
Category
Browse man made mineral simulant (glass) specimens identified by the Rock Identifier community.
Chert (often called Flint in archaeological contexts)
Silicon Dioxide (SiO2)
Diamond
Diamond (pure Carbon, C)
Asphalt (Bituminous Concrete)
Composite material (bitumen binder with mineral aggregate)
Jasper (Iron-rich Chalcedony)
Jasper (Microcrystalline Silicon Dioxide, SiO2 plus iron oxide impurities)
Polished white chalcedony or milky quartz pebble
Chalcedony, microcrystalline quartz (SiO₂), possibly with iron-oxide staining or a minor mineral inclusion
Turquoise
Turquoise, CuAl6(PO4)4(OH)8·4H2O
Chert (specifically Flint or Nodular Chert)
Silicon dioxide (SiO2)
Quartzite
Metamorphic Quartzite (SiO2)
Blue-dyed Quartz Druzy
Silicon Dioxide (SiO2) with artificial pigment
Banded Gneiss
Gneiss (Foliated Metamorphic Rock)
Chert (Flinty variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Yellow Jasper/Flint pebble)
Microcrystalline Quartz (SiO2)
Sandstone
Arenite (with iron oxide cement)
Quartzite
Metamorphic Quartzite (SiO2)
Red Quartzite
Quartzite (SiO2)
Chert / Flint
Microcrystalline Quartz (SiO2)
Diamond
Carbon (C)
Chert
Microcrystalline Quartz (SiO2)
Eroded Brick or Pumice-like Scoria
Vesicular Basalt / Scoria (Anthropogenic variant: Eroded Firebrick)
Quartzite
Quartzite (SiO2)
Diamond
Cubic carbon (C)
Chert (Flint variety)
Chert (Microcrystalline or Cryptocrystalline Quartz), SiO2
Chert (Flint)
Microcrystalline Quartz (SiO2)
Banded Chert (River Stone)
Silicon Dioxide (SiO2)
Chert / Flint
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Chert (Yellow Jasper variant)
Microcrystalline Quartz (SiO2)
Tumbled brown chalcedony (likely jasper or agate)
Microcrystalline quartz, SiO₂; chalcedony with iron-oxide staining
Diamond
Carbon (C)
Rutilated Quartz
Silicon Dioxide (SiO2) with Titanium Dioxide (TiO2) inclusions
Diamond
Diamond (pure carbon C)
Diamond
Carbon (C)
Pearl
Calcium Carbonate (CaCO3) - Aragonite/Calcite
Diamond
C (Pure Carbon)
Chert / Flint
Silicon Dioxide (SiO2)
Sandstone
Sedimentary Clastic Rock (Quartzose Sandstone)
Diamond (Cut Gemstone)
Carbon (C)
Basalt
Basalt
Greenstone
Metamorphic mafic rock (chlorite-actinolite-epidote schist)
Chert (Flint Arrowhead)
Silicon Dioxide (SiO2)
Chert (varieties: Flint or Jasper)
Silicon dioxide (SiO2) / Microcrystalline Quartz
Diamond (Rough)
Diamond (Carbon, C)
Terrazzo (Synthetic Composite Rock)
Cementitious or Epoxy Resin-bound Aggregates