Milky Quartz
Silicon Dioxide (SiO2)
Category
Browse mineral (man made aura treatment) specimens identified by the Rock Identifier community.
Milky Quartz
Silicon Dioxide (SiO2)
Banded Agate (Botswana Agate)
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Quartz Geode (with possible Manganese or Goethite coating)
Silicon Dioxide (SiO2)
Blue Chalcedony (likely dyed Agate)
Silicon Dioxide (SiO₂)
Rose Quartz
Silicon Dioxide (SiO2) with traces of Titanium, Iron, or Manganese
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Chalcedony Nodule (Carnelian/Agate)
Chalcedony (Silicon Dioxide, SiO2)
Sandstone
Arenite (composed primarily of SiO2)
Sandstone
Arenite
Olivine-bearing Basalt / Scoria
Mafic Igneous Rock (primarily (Mg, Fe)2SiO4)
Obsidian
Volcanic Glass (SiO2)
Quartz (Quartzite Pebble)
Silicon Dioxide (SiO2)
Siderite Concretion (Nodule)
Iron Carbonate (FeCO3) Concretion
Sandstone
Arenite (composed primarily of SiO2)
Sandstone (Ferruginous)
Arenite (primarily SiO2 with Fe2O3 staining)
Turquoise
Turquoise (CuAl6(PO4)4(OH)8·4H2O)
Sandstone (lithic wacke)
Arenite / Lithic Wacke (mostly SiO2 with rock fragments)
Sandstone (Ferruginous)
Arenite (primarily SiO2 with Iron Oxide staining)
Quartzite with Iron Inclusions
Quartzite (primarily SiO2 with Fe2O3 impurities)
Black Sapphire
Corundum (Al2O3 with iron and titanium impurities)
Agate (Polished Nodule)
Agate (Silicon Dioxide, SiO2)
Agate
Silicon Dioxide (SiO2)
Green Aventurine
Silicon Dioxide (SiO2) with inclusions of Fuchsite mica
Quartz (Translucent/Rose variety)
Silicon Dioxide (SiO2)
White Agate (resembling Bone Chalcedony)
Cryptocrystalline Quartz (SiO2)
Carnelian Agate
Silicon Dioxide (SiO2) with iron oxide inclusions
Agate
Banded Chalcedony (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Yellow Quartz / Citrine Quartz
Silicon Dioxide (SiO2)
Chalcedony (Agate/Blue Quartzite)
Silicon Dioxide (SiO2)
Blue Chalcedony
Chalcedony (Silicon Dioxide, SiO2)
Banded Agate (Pink/Peach Chalcedony)
Agate (Silicon Dioxide, SiO2)
Iron Meteorite
Iron Meteorite (primarily Kamacite and Taenite, Fe-Ni alloys)
Golden Quartz (Citrine or Iron-stained Quartz)
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Quartz on Host Rock
Silicon Dioxide (SiO2)
Granitic Gneiss
Gneiss (containing Potassium Feldspar and Quartz)
Emerald
Beryl (Be3Al2(SiO3)6) with trace Chromium/Vanadium
Turquoise in Matrix
Hydrous phosphate of copper and aluminium, CuAl6(PO4)4(OH)8·4H2O