Jasper
Silicon dioxide (SiO2) with impurities
Category
Browse organic gemstone (succinite) specimens identified by the Rock Identifier community.
Jasper
Silicon dioxide (SiO2) with impurities
Chert (Iron-stained)
Microcrystalline silica (SiO2) with trace Iron oxide (Fe2O3)
Chert (Cherty Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Flint)
Silicon Dioxide (SiO2)
Chert / Flint
Chert (SiO2)
Chert (Jasper variation)
Silicon Dioxide (SiO2)
Jasper (Brown Iron-Rich Variety)
Silicon Dioxide (SiO2) with Fe2O3 (Iron Oxide/Crystalline Quartz)
Chert (specifically Flint or Jasper variant)
Silicon Dioxide (SiO2)
Red Chert (Jasper)
Silicon Dioxide (SiO2)
Tumbled amber
Amber (fossilized plant resin), chiefly polymerized diterpenoid resin
Chert (Yellow Jasper/Flint)
Microcrystalline Quartz (SiO2)
Chert (Black Chert/Flint)
Microcrystalline quartz (SiO2)
Chert (specifically White Chert or Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Herkimer Diamond
Quartz (Silica - SiO2)
Moss Agate
Silicon Dioxide (SiO2) with inclusions of manganese or iron oxides
Chert (Jasper / Petrified Wood)
Microcrystalline Quartz (SiO2)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Chert (often called Flint or Jasper)
Silicon Dioxide (SiO2)
Plume Agate
Cryptocrystalline Quartz (SiO2)
Chert (Black Chert or Flint)
Silicon Dioxide (SiO2)
Fancy Jasper
Silicon dioxide (SiO2)
Chert (and Flint variant)
Microcrystalline or cryptocrystalline Quartz (SiO2)
Chert (Smoky variety)
Microcrystalline Quartz (SiO2)
Chert (Banded Variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (often called Flint in archaeological contexts)
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)
Polished fossiliferous limestone
Bioclastic carbonate rock, primarily calcite (CaCO₃)
Chert / Flint
Cryptocrystalline Quartz (SiO2)
Picasso Jasper (or Picasso Marble)
Metamorphosed Limestone (Calcium Carbonate, CaCO3, with impurities)
Chert (Jasper/Chalcedony)
Microcrystalline Silica (SiO2)
Jasper
Silicon Dioxide (SiO2) with impurities
Tufa Rock and Tumbled Gemstones
Calcareous Tufa (Calcium Carbonate, CaCO3)
Petrified Wood
Silicified Wood (SiO2)
Chert (specifically Red Chert or Jasper)
Microcrystalline Quartz (SiO2)
Chert (Chalcedony/Jasper)
Microcrystalline Quartz (SiO2)
Jasper (specifically Yellow Jasper and Red Jasper)
Silicon Dioxide (SiO2) with iron oxide inclusions
Petrified Wood
Silicified Wood (primarily SiO2)
Chert (with Limestone matrix)
Chert (Silica: SiO2)
Chert (Flint variety)
Chert (Cryptocrystalline Quartz, SiO2)
Banded Chert (Flint/Jasper variety)
Microcrystalline Quartz (SiO2)