Chert (Brown Variety)
Microcrystalline quartz (SiO2)
Category
Browse mineral (cryptocrystalline quartz) specimens identified by the Rock Identifier community.
Chert (Brown Variety)
Microcrystalline quartz (SiO2)
Chert (specifically Yellow Jasper/Flint)
Microcrystalline Quartz (SiO2)
Chert (Chert Nodule)
Microcrystalline quartz (SiO2)
Chert (Nodule)
Microcrystalline Quartz (SiO2)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Chert (Jasper variety)
Silicon Dioxide (SiO2)
Banded Iron Formation
Banded Iron Formation (BIF)
Chert (Flint variety)
Microcrystalline Quartz (SiO2)
Chert (Basanite / Flint)
Microcrystalline Quartz (SiO2)
Chert (River Pebble)
Microcrystalline Quartz (SiO2)
Chert (White Chert)
Microcrystalline Quartz (SiO2)
Chert (Nodule)
Microcrystalline Quartz (SiO2)
Chert (Gravel)
Microcrystalline Quartz (SiO2)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Chert (Nodule)
Microcrystalline Quartz (SiO2)
Petrified Wood
Silicified Wood (SiO2 - Quartz/Chalcedony replacement)
Chert (specifically Tan/Yellow Chert)
Silicon Dioxide (SiO2)
Chert (Dark Variety / Flint)
Silicon Dioxide (SiO2)
Chert (Jasper variety)
Silicon Dioxide (SiO2)
Chert (and its variety Flint)
Silicon dioxide (SiO2) / Microcrystalline quartz
Chert (variations include Flint/Novaculite)
Chert (formula: SiO2)
Chert (varietal: Flint or River Pebble)
Silicon Dioxide (SiO₂)
Chert with Quartz/Calcite Vein
Microcrystalline Silica (SiO2)
Green Moss Agate / Jasper
Silicon Dioxide (SiO2) - Microcrystalline Quartz with Iron and Manganese inclusions
Chert (Flint)
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
Chert (often called Flint or Jasper depending on color)
Chert (SiO2 - Microcrystalline or Cryptocrystalline Quartz)
Ferruginous Chert
Microcrystalline Quartz (SiO2) with Iron Oxides
Carnelian
Carnelian (a variety of Chalcedony, which is a microcrystalline quartz, SiO2)
Chert (variously Flint)
Chert (Microcrystalline or cryptocrystalline Quartz, SiO₂)
Chert (Tan/Brown variety)
Chert (Silicon Dioxide, SiO2)
Chert (Flint)
Chert (Silicon Dioxide, SiO2)
Chert (specifically Flint)
Silicon Dioxide (SiO2)
Jasper Chert Nodules
Silicon Dioxide (SiO2) with Hematite impurities
Chert (Jasper variety)
Silicon Dioxide (SiO2)
Red Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Chert (Tan/Grey variety)
Silicon Dioxide (SiO2)
Chert
Chert (Silicon Dioxide, SiO2)
Chert (and Flint variant)
Silicon Dioxide (SiO2)
Green Chert (Jasper)
Silicon Dioxide (SiO2)
Chert / Jasper
Silicon Dioxide (SiO₂)
Quartzite
Quartzite (primarily SiO2)