Jasper (specifically Yellow Jasper and Red Jasper)
Silicon Dioxide (SiO2) with iron oxide inclusions
Category
Browse organic gemstone (succinite) specimens identified by the Rock Identifier community.
Jasper (specifically Yellow Jasper and Red Jasper)
Silicon Dioxide (SiO2) with iron oxide inclusions
Chert (and/or Chalcedony)
Microcrystalline Silica (SiO2)
Chert (variations include Flint/Novaculite)
Chert (formula: SiO2)
Petrified Wood
Silicified Wood (primarily SiO2)
Chert (Jasper/Chalcedony)
Microcrystalline Silica (SiO2)
Chert (and/or Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Flint)
Chert (Microcrystalline Quartz, SiO2)
Shell Cameo (Sardonyx Shell)
Cassis madagascariensis (Sardonyx shell)
Chert (with Limestone matrix)
Chert (Silica: SiO2)
Chert (often called Flint or Jasper)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Flint variety)
Chert (Cryptocrystalline Quartz, SiO2)
Yellow Jasper (Iron-stained Chert)
Silicon Dioxide (SiO2) with iron oxide (Limonite/Goethite) inclusions
Yellow Jasper (Mookaite style)
Silicon Dioxide (SiO2) with Goethite/Hematite inclusions
Pearl (Biogenic Mineraloid)
Calcium carbonate (Aragonite) and Conchiolin, CaCO3
Chert (Jasper variety)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Baroque Pearl
Calcium Carbonate (Aragonite or Calcite) and Conchiolin
Chert (specifically Flint or Common Chert)
Microcrystalline Quartz (SiO2)
Amber (Copal)
Organic gemstone, fossilized tree resin (often immature amber or copal)
Chert (Nodular or Massive Variety)
Cryptocrystalline Quartz (SiO2)
Chert (Jasper/Flint variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Banded Chert
Silicon Dioxide (SiO2)
Chert (Jasper/Flint variant)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Carnelian (Orange Chalcedony)
Silicon Dioxide (SiO2)
Chert (includes Flint & Jasper)
Chert (Siliceous sedimentary rock, chemical formula SiO2)
Chert Pebble (Jasper variety)
Microcrystalline Quartz (SiO2)
Chert (Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (varieties include Flint and Jasper)
Silicon Dioxide (SiO2)
Petrified Wood
Silicified Wood (SiO2)
Chert (concretionary/nodular variant)
Microcrystalline Quartz (SiO2) with possible fossil or mineral inclusions
Chert / Flint
Silicon Dioxide (SiO₂)
Chert (Quartz Variety)
Microcrystalline Silica (SiO2)
Chert (Green variety)
Microcrystalline Opaline/Quartz (SiO2)
Chert (Jasper)
Microcrystalline Quartz (SiO2)
Chert (Yellow/Brown Jasper)
Silicon Dioxide (SiO2)
Pearl
Calcium Carbonate (mostly Aragonite), CaCO3 (with conchiolin)
Jasper
Silicon Dioxide (SiO2) with iron oxide impurities
Chert (Arrowhead/Artifact Fragment)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Pearl (nacre)
Calcium Carbonate (mostly CaCO3 as Aragonite) and Conchiolin
Chert (often referred to as Flint or Jasper)
Chalcedony (SiO2) - Silicon Dioxide
Chert (Flint)
Microcrystalline Quartz (SiO2)
Chert (variations include Flint or Jasper)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Brown variety / Common Jasper)
Microcrystalline Quartz (SiO2)