Chert (and Agate/Chalcedony)
Microcrystalline Quartz (SiO2)
sedimentary
Category
Mineral (Man Made Glass)
Browse mineral (man made glass) specimens identified by the Rock Identifier community.
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Chert (Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Artificial Rock Face (Faux Rock)
Glass Fiber Reinforced Concrete (GFRC)
man-made/construction material
Quartzite
Metamorphic Quartzite (SiO2)
metamorphic
Chert (Jasper variation)
Microcrystalline Quartz (SiO2)
sedimentary
Quartzite
Metamorphic Quartzite (SiO2)
metamorphic
Quartzite pebble
Quartzite (SiO2)
metamorphic
Chert
Microcrystalline Quartz (SiO2)
sedimentary
Quartzite
Metamorphic Quartzite (SiO2)
metamorphic
Red Quartzite
Quartzite (Metamorphosed Quartz Arenite)
metamorphic
Chert (Flint)
Silicon Dioxide (SiO2)
sedimentary
Chert (Flint / Jasper)
Silicon Dioxide (SiO2)
sedimentary
Quartzite
Metamorphic Rock (Mainly SiO2)
metamorphic
Chert (Flint nodule)
Chert (SiO2)
sedimentary
Chert (Polished River Pebble)
Chert (SiO2)
sedimentary
Chert
Microcrystalline Quartz (SiO2)
sedimentary
Pearl (Biogenic Mineraloid)
Calcium carbonate (CaCO3) primarily as Aragonite
mineral
Banded Gneiss
Gneiss (Foliated Metamorphic Rock)
metamorphic
Chert (often called Flint or River Stone)
Microcrystalline alpha-quartz (SiO2)
sedimentary
Chert (Jasper/Flint)
Silicon Dioxide (SiO2)
sedimentary
Diamond
Diamond (pure Carbon, C)
mineral
Chert
Microcrystalline Quartz (SiO2)
sedimentary
Chert (Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Chert (Flint)
Silicon Dioxide (SiO2)
sedimentary
Chert / Flint
Silicon Dioxide (SiO₂)
sedimentary
Chert (Chert / Flint)
Microcrystalline Quartz (SiO2)
sedimentary
Diamond (Cut Gemstone)
Carbon (C)
gemstone
Chert / Flint
Silicon Dioxide (Microcrystalline Quartz, SiO2)
sedimentary
Quartzite
Metamorphic Quartzite (SiO2)
metamorphic
Diamond (or Simulant)
Carbon (C) or Cubic Zirconia (ZrO2)
gemstone
Diamond
Native Carbon (C)
gemstone
Turquoise
Turquoise, CuAl6(PO4)4(OH)8·4H2O
mineral
Chert (Flint)
SiO2 (Microcrystalline Quartz)
sedimentary
Chert (often called Flint in archaeological contexts)
Silicon Dioxide (SiO2)
sedimentary
Banded Chert
Microcrystalline Quartz (SiO2)
sedimentary
Diamond
Carbon (C)
gemstone
Chert (Jasper variation)
Microcrystalline Quartz (SiO2)
sedimentary
Chert (specifically Flint or Nodular Chert)
Silicon dioxide (SiO2)
sedimentary
Quartzite
Metamorphic Quartzite (SiO2)
metamorphic
Chert Arrowhead
Chert (Cryptocrystalline variety of Quartz, SiO2)
sedimentary
Sea Glass (Uranium/Vaseline Glass variant)
Silicon Dioxide (SiO2) with trace Uranium Oxide (U3O8)
man-made silicate (anthropogenic glass)
Quartzite
Metamorphic Quartzite (SiO2)
metamorphic