Yellow Jasper / Chert
Jasper (Silica/Quartz) - SiO2
Category
Browse organic gemstone (succinite) specimens identified by the Rock Identifier community.
Yellow Jasper / Chert
Jasper (Silica/Quartz) - SiO2
Chert (specifically Tan Chert or Flint)
Silicon Dioxide (SiO2)
Petrified Wood
Silicified Wood (SiO2)
Jasper
Silicon Dioxide (SiO2) with impurities
Chert (Yellow/Tan)
Microcrystalline Quartz (SiO2)
Amber
Fossilized Tree Resin
Chert (often called Flint in dark varieties)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Jasper/Jasperoid)
Chert (chemically precipitated microcrystalline Quartz, SiO2)
Chert (Flint)
Cryptocrystalline Quartz (SiO2)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Amber
Fossilized Tree Resin (C10H16O)
Petrified Wood
Silicified wood (Quartz/Chalcedony - SiO2)
Jasper
Jasper (Cryptocrystalline variety of Quartz, SiO2)
Petrified Wood
Silicified Wood (SiO2)
Mookaite Jasper
Silicon Dioxide with Iron Oxide impurities (SiO2)
Moss Agate
Silicon Dioxide (SiO2) with inclusions of Manganese or Iron oxides
Chert (or Chalcedony)
Microcrystalline Quartz (SiO2)
Chert (Jasper/Chalcedony)
Microcrystalline Quartz (SiO2)
Chert (specifically Red Chert / Jasper)
Silicon Dioxide (SiO2)
Banded Chert
Microcrystalline Quartz (SiO2)
Chert (often called Flint or Jasper)
Cryptocrystalline quartz (SiO2)
Chert (White Chert or Flint)
Microcrystalline or cryptocrystalline quartz (SiO2)
Petrified Wood
Silicified Wood (SiO2)
Jasper
Jasper (Silicon Dioxide) - SiO2
Dyed Pink Quartzite (Jadeite Simulant)
Silicon Dioxide (SiO2) with organic dye
Chert (Jasper)
Microcrystalline Quartz (SiO2)
Red Jasper
Silicon Dioxide (SiO2) with Hematite inclusions
Red Chert (Jasper)
Silicon Dioxide (SiO2)
Chert (specifically Flint)
Microcrystalline Quartz (SiO2)
Chert (Jasper)
Microcrystalline quartz (SiO2)
Chert (specifically Flint or Common Chert)
Silicon dioxide (SiO2) - Microcrystalline quartz
Jasper (Petrified Wood variant)
Silicon Dioxide (SiO2) with iron oxide inclusions
Tumbled moss agate (likely)
Chalcedony, microcrystalline quartz (SiO₂), with iron/manganese inclusions
Moss agate bracelet
Chalcedony (microcrystalline quartz, SiO₂) with chlorite/amphibole inclusions
Chert (Jasper/Chalcedony pebble)
Microcrystalline Quartz (SiO2)
Chert (Jasper)
Cryptocrystalline Quartz (SiO2)
Chert Nodule (Fossiliferous Chert)
Microcrystalline Quartz (SiO2)
Chert (often called Flint or Agate nodule)
Cryptocrystalline Quartz (SiO2)
Chert (Blue-Gray Chert)
Microcrystalline quartz (SiO2)
Red Coral
Corallium rubrum (Calcium Carbonate, CaCO3 with Carotenoid pigments)
Natural Pearl (appearing in a jewelry setting)
Calcium Carbonate (mostly Aragonite), CaCO3 with Conchiolin
Chert (Jasper/Agate variety)
Microcrystalline Quartz (SiO2)