Banded Agate
Silicon Dioxide (SiO2)
Category
Browse mineral (variant of quartz) specimens identified by the Rock Identifier community.
Banded Agate
Silicon Dioxide (SiO2)
Tiger's Eye
Silicon Dioxide (SiO2)
Sandstone
Arenite
Smoky Quartz
Smoky Quartz (SiO2 - Silicon Dioxide with trace impurities of aluminum)
Clear Quartz
Silicon Dioxide (SiO2)
Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Rose Quartz
Silicon Dioxide (SiO2)
Rose Quartz with possible Manganese or Iron inclusions
SiO2 (Silicon Dioxide)
Milky Quartz
Silicon Dioxide (SiO2)
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Rose Quartz
Quartz (Silicon Dioxide, SiO2)
Yellow Quartz (Citrine or Yellow Jasper)
Silicon Dioxide (SiO2)
Rose Quartz
Silicon dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Milky Quartz (Water-worn Pebble)
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Rose Quartz
Silicon dioxide (SiO2)
Milky Quartz (Water-Worn Pebble)
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Yellow Quartz (Citrine/Yellow Jasper)
Silicon Dioxide (SiO2)
Quartz Vein / Milky Quartz
Silicon Dioxide (SiO2)
Rose Quartz and Milky Quartz
Silicon Dioxide (SiO2)
Granite
Granite (composed primarily of Quartz, Feldspar, and Mica)
Gneiss (specifically a Granitic Gneiss)
Gneiss (typically composed of Quartz, Feldspar, and Mica/Amphiboles)
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2 with inclusions of Iron Oxide)
Quartz pebble
Silicon Dioxide (SiO2)
Sandstone
Clastic sedimentary rock (primarily SiO2)
Carnelian Agate
Silicon Dioxide (SiO2)
Gold Nugget
Native Gold (Au)
Gold-Bearing Quartz
Silicon Dioxide with Native Gold (SiO2 + Au)
Fuchsite (Green Muscovite in Quartz)
Chromium-rich Muscovite (K(Al,Cr)2(AlSi3O10)(OH)2)
Sandstone (Quartzose)
Arenite (Siliciclastic sedimentary rock)
Quartz Pebble
Crystalline Silicon Dioxide (SiO2)
Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Quartz Pebble (with Iron Inclusions)
Silicon Dioxide (SiO2)
Dyed Quartz (often sold as 'Blue Quartz' or 'Blue Agate')
Silicon Dioxide (SiO2) with artificial pigment