Chert (Pebble)
Chert (Microcrystalline Quartz, SiO2)
Category
Browse mineral (specifically a variety of chalcedony, which is a cryptocrystalline quartz) specimens identified by the Rock Identifier community.
Chert (Pebble)
Chert (Microcrystalline Quartz, SiO2)
Lepidolite with Quartz
K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2
Chert (Nodule)
Microcrystalline Quartz (SiO2)
Pink Granite
Phaneritic Plutonic Felsic Igneous Rock (Granite)
Red Jasper
Jasper (Silicon Dioxide, SiO2 with Fe2O3 inclusions)
Jasper
Silicon Dioxide (SiO2) with impurities
Yellow Quartz (Chalcedony or Agate)
Silicon Dioxide (SiO2)
Blue Lace Agate (Banded Chalcedony)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Quartz
Quartz (SiO₂)
Ocean Jasper
Orbicular Jasper (varietal of SiO2 with impurities)
Citrine
Silicon dioxide (SiO2)
Mookaite Jasper
Radiolarite (Silicon Dioxide, SiO2)
Green Aventurine
Aventurine Quartz (SiO2 with Fuchsite inclusions)
Arsenopyrite in Quartz Matrix
Arsenopyrite (FeAsS) with Quartz (SiO2)
Petrified Wood
Silicified Wood (SiO2)
Poppy Jasper
Silicon Dioxide (SiO2) with Hematite and Iron Oxide inclusions
Milky Quartz
Silicon Dioxide (SiO2)
Chert (Smooth River Pebble)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Rose Quartz
Silicon Dioxide (SiO2) with traces of titanium, iron, or manganese
Chert (Flint Pebbles)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Flint)
Microcrystalline or cryptocrystalline quartz (SiO2)
Chert (Chert / Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Flint variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Jasper variety)
Silicon Dioxide (SiO2)
Moss Agate
Chalcedony (SiO2) with dendritic inclusions of Manganese or Iron oxide
Chert
Chert (Microcrystalline Quartz, SiO2)
Citrine Quartz
Silicon Dioxide (SiO2)
Chert (Jasper/Flint variety)
Microcrystalline Quartz (SiO2)
Chert (variously known as Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Milky Quartz (Micro-specimen)
Silicon Dioxide (SiO2)
Yellow Quartz (Citrine or Iron-Stained Quartz)
Silicon Dioxide (SiO2)
Blue Chalcedony
Cryptocrystalline Silicon Dioxide (SiO2)
Chert (specifically Red Chert / Flint)
Silicon Dioxide (SiO2)
Chert (Green variety)
Microcrystalline or cryptocrystalline Quartz (SiO2)
Yellow Quartz (Citrine or Iron-Stained Quartz)
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Chert (variations include Flint/Jasper)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (and Chert Geode)
Silicon Dioxide (SiO2)
Chert (Jasper variety)
Silicon Dioxide (SiO2)