Chert (and Flint)
Silicon Dioxide (SiO2)
Category
Browse organic gemstone (succinite) specimens identified by the Rock Identifier community.
Chert (and Flint)
Silicon Dioxide (SiO2)
Amber-set ring
Amber (fossilized plant resin; organic mineraloid), set in a metal ring
Chert (Nodular or Massive Variety)
Cryptocrystalline Quartz (SiO2)
Chert (Jasper/Flint variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Pearl
Calcium carbonate (CaCO3) + organic conchiolin (Biogenic Mineral)
Chert / Flint
Silicon Dioxide (SiO₂)
Yellow Jasper
Silicon Dioxide (SiO2) with iron inclusions
Chert (Gray Chalcedony)
Microcrystalline Quartz (SiO2)
Chert (Jasper/Flint variant)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Carnelian (Orange Chalcedony)
Silicon Dioxide (SiO2)
Fossilized ammonite fragment
Ammonoidea; likely an ammonite suture-section specimen, commonly Jurassic–Cretaceous
Chert (Yellow/Brown Jasper)
Silicon Dioxide (SiO2)
Chert (Jasper)
Microcrystalline Quartz (SiO2)
Chert (Nodule)
Microcrystalline Quartz (SiO2)
Petrified Wood
Silicified Wood (SiO2)
Chert (Jasper/Flint variant)
Microcrystalline quartz (SiO2)
Chert (and Jasper/Chalcedony variety)
Microcrystalline Quartz (SiO2)
Honey calcite (yellow calcite)
Calcite, calcium carbonate (CaCO₃)
Chert (Arrowhead/Artifact Fragment)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Honey calcite
Calcite (CaCO₃), likely iron-stained honey/orange variety
Chert (Quartz Variety)
Microcrystalline Silica (SiO2)
Red Jasper
Silicon Dioxide (SiO2) with Iron Oxide inclusions
Chert (Green variety)
Microcrystalline Opaline/Quartz (SiO2)
Chert (variations include Flint or Jasper)
Silicon Dioxide (SiO2)
Chert (variations include Flint or Jasper)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Yellow cabochon, likely amber or yellow glass/resin
Unconfirmed; possibly amber (fossilized tree resin, an amorphous organic material)
Translucent yellow-orange mineral specimen, possibly amber or citrine
Uncertain; amber is fossilized tree resin (organic), while citrine is quartz, SiO₂
Chert (often referred to as Flint or Jasper)
Chalcedony (SiO2) - Silicon Dioxide
Chert (Jasper/Flint variety)
Microcrystalline Quartz (SiO2)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Pearl (nacre)
Calcium Carbonate (mostly CaCO3 as Aragonite) and Conchiolin
Petrified Wood
Silicified Wood (primarily Chalcedony/Quartz, SiO2)
Pearl
Pearl (Calcium Carbonate with organic conchiolin, CaCO3)
Chert (Flint)
Chert (Microcrystalline Quartz, SiO2)
Jasper
Silicon Dioxide (SiO2) with iron oxide impurities
Chert (Jasper/Flint variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (often called Flint or Chalcedony Jasper)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Jasper/Agate Peat)
Microcrystalline Quartz (SiO2)
Chert (Jasper/Flint variety)
Silicon Dioxide (SiO2)
Amber Inlay Jewelry
Fossilized Resin (C10H16O)
Chert (Jasper/Flint variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Amber (possibly copal)
Fossilized plant resin; amber is organic resin, commonly dominated by polymerized terpenoids