Chert (specifically Tan Chert or Flint)
Silicon Dioxide (SiO2)
Category
Browse organic gemstone (succinite) specimens identified by the Rock Identifier community.
Chert (specifically Tan Chert or Flint)
Silicon Dioxide (SiO2)
Chert (varieties include Flint and Jasper)
Silicon Dioxide (SiO2) / Microcrystalline Quartz
Red Chert (Jasper)
Cryptocrystalline Quartz (SiO2) with iron oxide inclusions
Chert (specifically Flint or Jasper variant)
Microcrystalline silica (SiO2)
Chert Nodule
Microcrystalline Silica (SiO2)
Red Jasper
Silicon Dioxide (SiO2) with Hematite inclusions
Chert (Nodule)
Microcrystalline Quartz (SiO2)
Jasper
Jasper (Silicon Dioxide) - SiO2
Turquoise, Pearl, and Coral Necklace
CuAl6(PO4)4(OH)8·4H2O (Turquoise) / CaCO3 (Pearl and Coral)
Chert Nodule (Fossiliferous Chert)
Microcrystalline Quartz (SiO2)
Chert (often called Flint or Agate nodule)
Cryptocrystalline Quartz (SiO2)
Jasper (Petrified Wood variant)
Silicon Dioxide (SiO2) with iron oxide inclusions
Chert (often called Flint in dark varieties)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Blue-Gray Chert)
Microcrystalline quartz (SiO2)
Anthracite Coal
Anthracite (Carbon-rich metamorphic coal)
Chert (Yellow/Tan)
Microcrystalline Quartz (SiO2)
Chert (Jasper/Chalcedony)
Microcrystalline Quartz (SiO2)
Chert (often called Flint or Jasper)
Cryptocrystalline quartz (SiO2)
Chert (White Chert or Flint)
Microcrystalline or cryptocrystalline quartz (SiO2)
Chert (specifically Red Chert / Jasper)
Silicon Dioxide (SiO2)
Moss Agate
Silicon Dioxide (SiO2) with inclusions of Manganese or Iron oxides
Chert (Jasper/Chalcedony)
Microcrystalline Quartz (SiO2)
Petrified Wood
Silicified wood (Quartz/Chalcedony - SiO2)
Jasper
Jasper (Cryptocrystalline variety of Quartz, SiO2)
Petrified Wood
Silicified Wood (SiO2)
Chert (specifically Flint)
Microcrystalline Quartz (SiO2)
Chert (Jasper/Flint variant)
Silicon Dioxide (SiO2)
Chert (Nodule)
Chert (composition: SiO2)
Chert (with Lichen)
Microcrystalline Quartz (SiO2)
Chert (Jasper/Flint variety)
Microcrystalline Quartz (SiO2)
Chert (Yellow Jasper/Flint)
Silicon Dioxide (SiO2)
Chert (variations include Flint or Jasper)
Silicon Dioxide (SiO2)
Chert (Green variety)
Silicon Dioxide (SiO2)
Red Jasper
Jasper (Silicon Dioxide with Iron inclusions - SiO2)
Green Chert
Microcrystalline Quartz (SiO2)
Green Chert (Jasper)
Silicon Dioxide (SiO2)
Dyed Pink Quartzite (Jadeite Simulant)
Silicon Dioxide (SiO2) with organic dye
Pearl (Biogenic Mineral)
Calcium Carbonate (primarily Aragonite) with Conchiolin; CaCO3
Chert (Light Grey / Flint variant)
Cryptocrystalline Quartz (SiO2)
Chert (specifically Flint or Common Chert)
Silicon Dioxide (SiO2)
Pearl
Organic Mineraloid (CaCO3 + Conchiolin)
Chert (and its variety Flint)
Silicon dioxide (SiO2) / Microcrystalline quartz