Milky Quartz
Silicon Dioxide (SiO2)
Category
Browse mineral, specifically a cryptocrystalline quartz variety specimens identified by the Rock Identifier community.
Milky Quartz
Silicon Dioxide (SiO2)
Agate (specifically a Thunderegg/Agate Nodule)
Cryptocrystalline Quartz (SiO2)
Banded Agate (specifically Carnelian Agate)
Cryptocrystalline Quartz (SiO2)
Amethyst (Chevron or Banded variety)
Silicon Dioxide with Iron impurities (SiO2)
Chert (or possibly Flint)
SiO2 (Silicon Dioxide)
Chert
Silicon dioxide (SiO2)
Polished jasper pebble
Jasper, microcrystalline quartz (SiO₂) with iron-oxide and clay inclusions
Chert (specifically a variety like Flint or River Jasper with Iron Oxidation)
Microcrystalline Quartz (SiO2)
Banded Agate (specifically Carnelian Agate)
Silicon dioxide (SiO2) - Chalcedony variety
Yellow Jasper
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Smoky Quartz
Smoky Quartz (Silicon Dioxide, SiO2)
Banded Agate (specifically Sardonyx or Carnelian Agate)
Silicon Dioxide (SiO2) - Chalcedony variety
Smoky Quartz
Silicon Dioxide (SiO2)
Jasper (Yellow Jasper)
Silicon Dioxide (SiO2) with iron inclusions
Chert (specifically Pink Chert or Jasperized Chert)
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
Milky Quartz
Silicon Dioxide (SiO2)
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
Jasper
SiO2 (Cryptocrystalline quartz)
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Banded Agate (specifically Botswana Agate appearance)
Silicon Dioxide (SiO2)
Granite (specifically Pink or Alkali Feldspar Granite)
Felsic Plutonic Rock (primarily SiO2 with KAlSi3O8)
Agate (specifically Carnelian Agate or Sardagate)
Silicon dioxide (SiO2) - variety of chalcedony
Dalmation Stone (often called Dalmatian Jasper)
Antiperthite-rich Microgranite
Ocean Jasper
SiO2
Amazonite
Amazonite (KAlSi3O8)
Chert (Jasper)
Microcrystalline Quartz (SiO2)
Agate
Agate (Silicon Dioxide, SiO2)
Black Tourmaline
Schorl (Sodium Iron Aluminum Borosilicate Hydroxide)
Tumbled Black Stone
Unknown, possibly Obsidian, Onyx, or Tourmaline
Smoky Quartz
Silicon Dioxide (SiO2)
Chert (specifically Flint or Dark Chert)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Banded Agate (specifically Carnelian Agate)
Silicon Dioxide (SiO2) - Chalcedony variety
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Quartz (Milky/Opaque variety)
Silicon Dioxide (SiO2)
Chert (Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Jasper (specifically Bloodstone/Heliotrope or Dark Green Jasper)
Cryptocrystalline Quartz (SiO2) with inclusions
Banded Chert (Flint)
Cryptocrystalline Quartz (SiO2)
Chalcedony (Quartz Pebbles)
Silicon Dioxide (SiO2)
Orange Quartzite / Carnelian Agate
Silicon Dioxide (SiO2)
Flint (Chert Nodules)
SiO2 (Cryptocrystalline Quartz)
Milky Quartz or Moonstone
Silicon Dioxide (SiO2) or Potassium Aluminum Silicate (KAlSi3O8)