Milky Quartz
Silicon Dioxide (SiO2)
Category
Browse mineral (specifically, a variety of the mineral species pyrope almandine garnet) specimens identified by the Rock Identifier community.
Milky Quartz
Silicon Dioxide (SiO2)
Jasper
Jasper (Silicon Dioxide, SiO2)
Chalcedony (Botryoidal)
Silicon Dioxide (SiO2)
Chert / Flint
Chert (varieties include Flint)
Red Jasper
Jasper (Silicate Mineral - SiO2)
Jasper (likely a variety of Brecciated Jasper or a patterned variety)
Silicon dioxide (SiO2)
Granite
Phaneritic Felsic Igneous Rock (Granite)
Jasper with Quartz inclusions
Silicon Dioxide (SiO2) - Microcrystalline Chalcedony
Chert (Jasper variety)
Silicon Dioxide (SiO2)
Chert (specifically Jasper or Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Quartz (likely) / Siliceous rock with quartz phenocrysts (if a rock fragment)
Quartz (SiO₂)
Hawk's Eye (Blue Tiger's Eye)
Quartz (fibrous crocidolite variety)
Agate
Silicon dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Dyed Pink Agate Slice
Cryptocrystalline variety of Quartz (SiO2)
Amethyst
Amethyst (variety of Quartz, SiO2)
Carnelian
Carnelian (variety of Chalcedony, SiO2)
Carnelian
Carnelian (a variety of Chalcedony, SiO2)
Carnelian
Carnelian (a variety of Chalcedony, SiO2)
Carnelian
Carnelian (variety of Chalcedony, SiO2)
Amethyst
SiO2 (Amethyst is a variety of Quartz)
Carnelian
Carnelian (a variety of Chalcedony, SiO2)
Amethyst
Amethyst (variety of Quartz, SiO2)
Green Aventurine
Aventurine (a variety of Quartz, SiO2)
Amethyst
Amethyst (a variety of Quartz, SiO2)
Carnelian
Carnelian (a variety of Chalcedony, SiO2)
Green Aventurine
Quartz variety (SiO2 with inclusions)
Jasper
Jasper (a variety of Chalcedony, SiO2)
Kunzite
Spodumene, LiAlSi2O6 (variety of spodumene)
Carnelian
Carnelian (a variety of Chalcedony, SiO2)
Amethyst Geode/Cluster
Quartz (SiO2) - variety Amethyst
Red Jasper (possibly)
Jasper (a variety of Chalcedony, SiO2)
Amethyst
Amethyst is a variety of Quartz (SiO₂)
Green Aventurine and Clear Quartz
Aventurine (variety of Quartz - SiO2) and Quartz (SiO2)
Quartz (Raw Chunk)
Silicon Dioxide (SiO2)
Labradorite
(Ca, Na)(Al, Si)4O8 (Calcium Sodium Aluminum Silicate)
Pyrite
Iron Pyrite (FeS2)
Sandstone (likely River-tumbled Picture Sandstone)
Arenite (predominantly SiO2 with iron oxide impurities)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)