Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Category
Browse mineral (variety of chalcedony) specimens identified by the Rock Identifier community.
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Honey Calcite
Calcium Carbonate (CaCO3)
Quartz (Milky or Cloudy Quartz)
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Blue Calcite
Calcium Carbonate (CaCO3)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Sunstone
Orthoclase or Oligoclase Feldspar (Na,Ca)(Al,Si)4O8
Greenstone (Metabaltic/Greenschist)
Chlorite schist / Meta-basalt
Chert (Chalcedony/Agate)
Microcrystalline Quartz (SiO2)
Smoky Quartz
Smoky Quartz (Silicon Dioxide - SiO2)
Quartz
Silicon Dioxide (SiO2)
Orange Calcite Sphere
Calcium Carbonate (CaCO3)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Silicon dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Jasper with Quartz vein
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Yellow Jasper
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Aquamarine
Beryl (Be3Al2Si6O18)
Pyrite
Iron Sulfide (FeS2)
Tiger's Eye (Rough)
Pseudomorph of Quartz after Crocidolite (SiO2 with FeOOH inclusions)
Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Jasper
Agate/Jasper (Microcrystalline Quartz, SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Satin Spar Selenite (Peach Calcite/Peach Gypsum)
Hydrated Calcium Sulfate (CaSO4·2H2O)
Smoky Quartz
Silicon Dioxide (SiO2)
Quartz
Quartz (SiO₂)
Yellow Apatite Sphere (Polished)
Fluorapatite / Ca5(PO4)3F
Amazonite
Amazonite (KAlSi3O8, a variety of Microcline)
Greenstone (Greenschist facies)
Greenschist (composed primarily of Chlorite, Actinolite, and Epidote)
Petrified Wood
Silicified Wood (primarily SiO2 - Silicon Dioxide)
Conglomerate
Conglomerate (clastic sedimentary rock)
Geode (Unopened)
Silica-rich concretion (SiO2)