Chert (specifically Flint)
Microcrystalline Quartz (SiO2)
Category
Browse organic gemstone (succinite) specimens identified by the Rock Identifier community.
Chert (specifically Flint)
Microcrystalline Quartz (SiO2)
Chert (Jasper/Flint variety)
Microcrystalline Quartz (SiO2)
Chert (variations like Flint or Jasper)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Iron-stained)
Microcrystalline Quartz (SiO2)
Chert (Nodule)
Chert (composition: SiO2)
Chert (with Lichen)
Microcrystalline Quartz (SiO2)
Chert (Jasper/Flint variant)
Silicon Dioxide (SiO2)
Pearl
Organic Mineraloid (CaCO3 + Conchiolin)
Chert (Yellow Jasper/Flint)
Silicon Dioxide (SiO2)
Red Jasper
Jasper (Silicon Dioxide with Iron inclusions - SiO2)
Chert (variations include Flint or Jasper)
Silicon Dioxide (SiO2)
Chert (Green variety)
Silicon Dioxide (SiO2)
Petrified Wood
Silicified wood (principally SiO2)
Yellow Chert (Chert / Cryptocrystalline Quartz)
Silicon Dioxide (SiO2)
Chert (Flint Pebbles)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Dyed Pink Quartzite (Jadeite Simulant)
Silicon Dioxide (SiO2) with organic dye
Green Chert (Jasper)
Silicon Dioxide (SiO2)
Pearl and Garnet Glass
Calcium Carbonate (CaCO3) for pearl; Silicon Dioxide (SiO2) for glass
Green Chert
Microcrystalline Quartz (SiO2)
Chert (var. Jasper)
Microcrystalline Quartz (SiO2)
Chert (Flint)
Cryptocrystalline quartz (SiO2)
Pearl (Biogenic Mineral)
Calcium Carbonate (primarily Aragonite) with Conchiolin; CaCO3
Chert (Cherty Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Chert / Flint
Chert (SiO2)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Chert (Light Grey / Flint variant)
Cryptocrystalline Quartz (SiO2)
Chert (specifically Flint or Common Chert)
Silicon Dioxide (SiO2)
Chert (and its variety Flint)
Silicon dioxide (SiO2) / Microcrystalline quartz
Chert / Chalcedony
Silicon Dioxide (SiO2)
Chert
Chert (Microcrystalline Quartz, SiO2)
Jasper (Brown Iron-Rich Variety)
Silicon Dioxide (SiO2) with Fe2O3 (Iron Oxide/Crystalline Quartz)
Natural Pearl (appearing in a jewelry setting)
Calcium Carbonate (mostly Aragonite), CaCO3 with Conchiolin
Moss Agate and Hematite
Silica (SiO2) with fibrous inclusions of Manganese or Iron; Hematite (Fe2O3)
Chert (specifically Flint or Jasper variant)
Silicon Dioxide (SiO2)
Red Chert (Jasper)
Silicon Dioxide (SiO2)
Moss Agate
Silicon Dioxide (SiO2) with inclusions of manganese or iron oxides
Chert (Yellow Jasper/Flint)
Microcrystalline Quartz (SiO2)
Chert (Black Chert/Flint)
Microcrystalline quartz (SiO2)
Jasper
Jasper (Silica-rich microcrystalline Quartz, SiO2 with Fe2O3 impurities)
Chert (specifically White Chert or Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Herkimer Diamond
Quartz (Silica - SiO2)