Carnelian (a variety of Chalcedony)
Silicon Dioxide (SiO2) with iron oxide impurities
Category
Browse sedimentary (silica rich mineral variety) specimens identified by the Rock Identifier community.
Carnelian (a variety of Chalcedony)
Silicon Dioxide (SiO2) with iron oxide impurities
Chert (Jasper/Flint variety)
Microcrystalline Quartz (SiO2)
Chert (and Chert Flake)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Nodular)
Chert (Microcrystalline Quartz, SiO2)
Yellow Jasper
Silicon Dioxide (SiO2) with iron hydroxides (Goethite)
Chalcedony (River Stone)
Microcrystalline Quartz (SiO2)
Chert (Green variety)
Microcrystalline or cryptocrystalline Quartz (SiO2)
Yellow Jasper (Chert)
Silicon Dioxide (SiO2)
Chert (often called Jasper or Flint in this color variety)
Silicon Dioxide (SiO2)
Jasper
Silicon dioxide (SiO2)
Yellow Jasper
Silicon Dioxide (SiO2) - variety of Chalcedony
Red Jasper (Jasper)
Silicon Dioxide (SiO₂)
Red Jasper
Jasper (Silicon Dioxide, SiO2 with Fe2O3 inclusions)
Jasper
Jasper (Silicon Dioxide, SiO2)
Chert (Jasper/Flint variation)
Chert (SiO2)
Chert / Flint
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Jasper
Jasper (Silica/Silicon Dioxide, SiO2)
Chalcedony (Banded/Mottled Variety)
Chalcedony (a cryptocrystalline variety of Quartz, SiO2)
Red Jasper
Silicon Dioxide (SiO2) with Hematite impurities
Jasper (Red and Tan Jasper)
Microcrystalline Quartz (SiO2) with iron oxide inclusions
Argetine Blue Agate (Chalcendony variant)
Silicon Dioxide (SiO₂)
Chert (Green variety)
Chert (Silicon Dioxide, SiO2)
Chert (Jasper variety)
Silicon Dioxide (SiO2)
Chert (Red/Brown Variety)
Microcrystalline quartz (SiO2)
Red Jasper (Chert)
Silicon dioxide (SiO2) with iron oxide inclusions
Yellow Jasper
Silicon Dioxide (SiO2) with Iron inclusions
Red Jasper
Silicon dioxide (SiO2) with iron oxide inclusions
Red Jasper
Jasper (Silicon Dioxide with Iron Oxide impurities), SiO2
Chert (Jasper/River Pebble)
Silicon Dioxide (SiO2)
Chert (Jasper variety)
Silicon Dioxide (SiO2)
Chert (Jasper variety)
Microcrystalline Quartz (SiO2)
Jasper (Iron-stained Quartz)
Silicon dioxide (SiO2) with iron oxide inclusions
Chert (Flint)
Microcrystalline Quartz (SiO2)
Chert (including Flint and Jasper variants)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Jasper Pebble
Tumbled Jasper (Microcrystalline Quartz, SiO2)
Carnelian
Carnelian (a variety of Chalcedony, SiO2)
Chert (Tan/Grey variety)
Silicon Dioxide (SiO2)
Chert (Flint variety)
Microcrystalline or cryptocrystalline Quartz (SiO2)
Red Jasper
Silicon Dioxide (SiO2) with Hematite impurities
Carnelian
Carnelian (a variety of Chalcedony, which is a microcrystalline quartz, SiO2)
Chert Nodule (with Ironstone Cortex)
Microcrystalline Silica (SiO2)