Milky Quartz
Silicon Dioxide (SiO2)
mineral
Category
Mineral (Specifically A Variety Of Chalcedony, Which Is A Microcrystalline Quartz)
Browse mineral (specifically a variety of chalcedony, which is a microcrystalline quartz) specimens identified by the Rock Identifier community.
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Geode (unopened) or Calcareous Nodule
Siliceous or Calcareous Concretion/Nodule
sedimentary
Onyx Agate (Brazilian Agate)
Silicon Dioxide (SiO2)
mineral
Agate Geode / Nodular Chalcedony
Silicon Dioxide (SiO2) with impurities
mineral
Rose Quartz
Rose Quartz (SiO2 with traces of Titanium, Iron, or Manganese)
mineral
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
mineral
Jasper (specifically Bloodstone or Heliotrope variety)
Silicon Dioxide (SiO2) with iron oxide inclusions
Sedimentary / Mineral
Chert (Jasper variety)
Silicon Dioxide (SiO2)
sedimentary
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Quartzite Pebble (Beach Pebble)
Quartzite (primarily SiO2)
metamorphic
Botryoidal Chalcedony in Geode/Vug
Silicon Dioxide (SiO2)
mineral
Moss Agate
Silicon Dioxide (SiO2) with mineral inclusions
Mineral
Geode (Unopened)
Chalcedony/Quartz Geode (SiO2)
sedimentary
Chert (Flint)
Chert (Microcrystalline Quartz, SiO2)
sedimentary
Chert (or Flint)
Microcrystalline or cryptocrystalline Quartz (SiO2)
sedimentary
Chert (and Flint variant)
Microcrystalline or cryptocrystalline Quartz (SiO2)
sedimentary
Geode (unopened)
Chert / Chalcedony Geode (SiO2)
sedimentary
Yellow Quartzite Pebble
Metamorphosed Quartz Sandstone (SiO2)
metamorphic
Moss Agate
Chalcedony (SiO2) with inclusions of manganese or iron oxides
mineral
Quartzite pebble
Quartzite (SiO2)
metamorphic
Chert (Nodule)
Chert (primarily Microcrystalline Quartz - SiO2)
sedimentary
Chalcedony with inclusions (Agate/Quartz)
Silicon Dioxide (SiO2)
mineral
Quartz Vein in Host Rock (Likely Slate or Shale)
Hydrothermal Quartz (SiO2) in Pelitic host rock
metamorphic
Blue Agate (Dyed)
Silicon Dioxide (SiO2)
mineral
Green Aventurine
Silicon Dioxide (SiO2) with Fuchsite inclusions
Mineral (Variety of Quartz)
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Chert
Microcrystalline Quartz (SiO2)
sedimentary
Quartzite (River Pebble)
Quartzite (composed primarily of Silica, SiO2)
metamorphic
Quartzite Pebble
Metamorphosed Quartz Sandstone (SiO2)
metamorphic
Jasper (specifically Polychrome or Desert Jasper)
Silicon Dioxide (SiO2) with impurities
sedimentary or igneous-associated mineral