Chert (Cherty Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Category
Browse organic gemstone (succinite) specimens identified by the Rock Identifier community.
Chert (Cherty Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert / Flint
Chert (SiO2)
Chert (specifically Flint or Jasper variant)
Silicon Dioxide (SiO2)
Jasper (Brown Iron-Rich Variety)
Silicon Dioxide (SiO2) with Fe2O3 (Iron Oxide/Crystalline Quartz)
Red Chert (Jasper)
Silicon Dioxide (SiO2)
Chert (Yellow Jasper/Flint)
Microcrystalline Quartz (SiO2)
Herkimer Diamond
Quartz (Silica - SiO2)
Chert (specifically White Chert or Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Iron-stained)
Microcrystalline silica (SiO2) with trace Iron oxide (Fe2O3)
Chert (Cherty Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Pearl and Garnet Glass
Calcium Carbonate (CaCO3) for pearl; Silicon Dioxide (SiO2) for glass
Moss Agate
Silicon Dioxide (SiO2) with inclusions of manganese or iron oxides
Jasper
Jasper (Silica-rich microcrystalline Quartz, SiO2 with Fe2O3 impurities)
Chert (and Flint variant)
Microcrystalline or cryptocrystalline Quartz (SiO2)
Natural Pearl (appearing in a jewelry setting)
Calcium Carbonate (mostly Aragonite), CaCO3 with Conchiolin
Chert (often called Flint in archaeological contexts)
Silicon Dioxide (SiO2)
Fancy Jasper
Silicon dioxide (SiO2)
Moss Agate and Hematite
Silica (SiO2) with fibrous inclusions of Manganese or Iron; Hematite (Fe2O3)
Chert (Banded Variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (often called Flint or Jasper)
Silicon Dioxide (SiO2)
Chert (Black Chert or Flint)
Silicon Dioxide (SiO2)
Chert (Jasper variation)
Silicon Dioxide (SiO2)
Chert (often called Flint or Jasper)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Yellow Jasper)
Microcrystalline Quartz (SiO2)
Chert (Smoky variety)
Microcrystalline Quartz (SiO2)
Banded Chert (Flint/Jasper variety)
Microcrystalline Quartz (SiO2)
Pearl
Organic Mineral (CaCO3 with conchiolin)
Chert (Iron-stained)
Chert (SiO2)
Chert (Flint Nodular)
Chert (Silicon dioxide, SiO2)
Petrified Wood
Silicified Wood (primarily SiO2)
Chert (including Flint and Jasper variants)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (specifically Flint or Jasper variant)
Cryptocrystalline Quartz (SiO2)
Picasso Jasper (or Picasso Marble)
Metamorphosed Limestone (Calcium Carbonate, CaCO3, with impurities)
Chert (specifically Red Chert or Jasper)
Microcrystalline Quartz (SiO2)
Chert (Chalcedony/Jasper)
Microcrystalline Quartz (SiO2)
Chert / Flint
Cryptocrystalline Quartz (SiO2)
Amber Inlay Jewelry
Fossilized Resin (C10H16O)
Chert (often called Flint or Jasper based on color)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Iron-stained)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Jasper)
Silicon dioxide (SiO2)
Petrified Wood
Silicified Wood (SiO2)
Chert (Nodule)
Chert (Microcrystalline Quartz, SiO2)