Flint (Chert variant)
Microcrystalline Quartz (SiO2)
Category
Browse mineral (variant of quartz) specimens identified by the Rock Identifier community.
Flint (Chert variant)
Microcrystalline Quartz (SiO2)
Chert (and Flint variant)
Microcrystalline Quartz (SiO2)
Chert Pebble
Microcrystalline Quartz (SiO2)
Chert (Chert breccia)
SiO2 (Silicon Dioxide)
Chert (Jasper/Chalcedony variant)
Microcrystalline Quartz (SiO2)
Chert Pebble (Jasper/Flint variant)
Microcrystalline Quartz (SiO2)
Orthoclase (Potassium Feldspar)
KAlSi3O8 (Potassium Aluminum Silicate)
Chert (specifically Flint or Jasper variant)
Microcrystalline Quartz (SiO2)
Potassium Feldspar
K-Feldspar (KAlSi3O8)
Chert Pebble (Jasper variant)
Microcrystalline Quartz (SiO2)
Beryl (likely Aquamarine or Heliodor variant)
Beryllium aluminum silicate (Be3Al2Si6O18)
Clear Quartz (Herkimer Diamond variant)
Silicon Dioxide (SiO2)
Chert (and Flint)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Quartzite
Quartzite (primarily SiO2)
Sandstone Concretion
Clastic Sedimentary Rock - Quartz Arenite / Sandstone
Chert Arrowhead
Cryptocrystalline Quartz (SiO2)
Chert (variant of Flint)
Chert (SiO2)
Opalite
Synthetic glass / Opalized glass
Amazonite
Amazonite (Microcline variant: KAlSi3O8)
Flesh-colored Quartzite
Quartzite (SiO2)
Flint (Chert variant)
Silica (SiO2) - Microcrystalline Quartz
Chert (variant Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Brown Variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Quartzite
Metamorphosed Sandstone (SiO2)
Diorite (Spotted)
Plutonic Igneous Rock (Diorite)
Amethyst (Ametrine or Bicolor Quartz variant)
Silicon Dioxide (SiO2) with iron impurities
Snowflake Obsidian (Flower Jasper variant)
Vitreous volcanic silicate with cristobalite inclusions
Chert (Flint / Jasper variant)
Microcrystalline Quartz (SiO2)
Chert (Yellow Jasper variant)
Microcrystalline Quartz (SiO2)
Chert (Yellow Jasper variant)
Microcrystalline Quartz (SiO2)
Chert (Jasper/Flint variant)
Microcrystalline quartz (SiO2)
Chert (Common Opal or Flint variant)
Microcrystalline Quartz (SiO2)
Chert (and Flint variant)
Microcrystalline or cryptocrystalline Quartz (SiO2)
Chert (and Flint variant)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Pink Jasper variant)
Microcrystalline Quartz (SiO2)
Feldspar (specifically Orthoclase)
Potassium Aluminum Silicate (KAlSi3O8)
Argetine Blue Agate (Chalcendony variant)
Silicon Dioxide (SiO₂)
Raw Corundum (Sapphire/Ruby variant)
Aluminum oxide (Al2O3)
Green Quartz (including Prase or Aventurine variants)
Silicon Dioxide (SiO2) with inclusions (likely Actinolite or Chlorite)
Quartz (specifically Milky or Rose Quartz variant)
Silicon Dioxide (SiO2)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Chert (Jasper/Flint variant)
Silicon Dioxide (SiO2)