Milky Quartz
Silicon Dioxide (SiO2)
mineral
Category
Mineral (Synthetic Glass)
Browse mineral (synthetic glass) specimens identified by the Rock Identifier community.
Learn about Mineral (Synthetic Glass) in the encyclopedia
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Citrine
Quartz (Silicon Dioxide - SiO2)
mineral
Amethyst (Rose de France)
Silicon Dioxide (SiO2) with iron impurities
mineral
Vesicular quartz-rich rock, possibly weathered rhyolite or hydrothermal quartz
Likely quartz (SiO₂) with altered feldspar, iron oxides, and cavities; exact identification requires testing
igneous
Sandstone
Sedimentary rock composed mainly of quartz sand
sedimentary
Sandstone
Arenite (SiO2 based)
sedimentary
Sandstone (likely Quartz Sandstone)
Arenite (composed primarily of SiO2)
sedimentary
Red Sandstone
Arenite (Ferruginous Sandstone)
sedimentary
Milky Quartz with Country Rock contact
Silicon Dioxide (SiO2) in contact with Metamorphic/Igneous rock
mineral
Quartz (River Pebble)
Silicon Dioxide (SiO2)
mineral
Quartz (River Pebble)
Silicon Dioxide (SiO2)
mineral
Quartz (Iron-stained or Rose variant)
Silicon Dioxide (SiO2)
mineral
Quartz (Grain/Pebble)
Silicon Dioxide (SiO2)
mineral
Polished rose quartz
Rose quartz (quartz), SiO₂
mineral
Lepidolite
K(Li,Al)_3(Si,Al)_4O_10(F,OH)_2 (Lithium-bearing Mica)
mineral
Celestine (or Celestite)
Strontium sulfate (SrSO4)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Feldspar-rich Pegmatite
Granitic Pegmatite (principally KAlSi3O8)
igneous
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Clear Quartz (Tumbled)
Silicon Dioxide (SiO2)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz Mineral
Silicon Dioxide (SiO2)
mineral
Milky Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
mineral
Clear Quartz / Rock Crystal
Silicon Dioxide (SiO2)
mineral
Quartz (White/Milky)
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Sandstone
Sedimentary rock composed mainly of sand-sized minerals or rock grains
sedimentary
Sandstone
Arenite
sedimentary
Sandstone (Quartzose)
Arenite (primarily SiO2)
sedimentary
Citrine (tumbled)
Silicon dioxide, SiO2
mineral
White Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Yellow Quartz
Silicon Dioxide (SiO2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Milky Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Quartz (Pale Rose or Milky Variety)
Silicon Dioxide (SiO2)
mineral
Quartz Pebble
Crystalline Silicon Dioxide (SiO2)
mineral
Quartz (River Stone)
Silicon Dioxide (SiO2)
mineral
Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
mineral
Possible tektite or iron-rich slag-like natural specimen
Uncertain; possibly natural glass (tektite) or magnetite-rich rock
mineral