Milky Quartz
Silicon Dioxide (SiO2)
Category
Browse metamorphic rock (variety of quartz) specimens identified by the Rock Identifier community.
Milky Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Clear Quartz (Cut/Faceted Gemstone)
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Clear Quartz
Silicon dioxide (SiO2)
Serpentinite
Serpentinite (composed largely of serpentine group minerals including antigorite, lizardite, and chrysotile)
Likely serpentine
Serpentine-group minerals, chiefly antigorite, lizardite, or chrysotile; approximate formula Mg₃Si₂O₅(OH)₄
Gneiss
Gneiss
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
White Quartz Pendant
Silicon Dioxide (SiO2)
Tumbled brown jasper (likely brecciated jasper)
Microcrystalline quartz/chalcedony, SiO₂, with iron-oxide and other mineral inclusions
Quartz (Milky to Clear)
Silicon Dioxide (SiO2)
Quartzite (probable)
Quartzite; predominantly recrystallized quartz (SiO₂)
Quartzite
Quartzite (SiO2)
Quartz-veined weathered host rock
Quartz (SiO₂) in a likely altered limestone or metamorphic carbonate host
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Agate Geode
Silicon Dioxide (SiO2) - Chalcedony variety
Aventurine (Green Aventurine)
Quartz variety (SiO2 with fuchsite inclusions)
Quartz (likely Jasper or Chert variety)
Quartz (SiO₂)
Bloodstone
Heliotrope (a variety of Chalcedony, SiO₂ with inclusions)
Quartz
Silicon Dioxide (SiO2)
Rough Corundum (likely Sapphire/Zircon-bearing)
Aluminium Oxide (Al2O3)
Schist
Schist (variety likely Mica Schist)
Agate
Silicon Dioxide (Chalcedony), SiO2
Quartz
SiO2 (Silicon Dioxide)
Quartz with Schist Inclusion
Quartz (SiO2) with micaceous schist inclusions
Polished pegmatitic granite (likely graphic granite)
Coarse-grained granitic rock composed chiefly of quartz, feldspar, and biotite/hornblende
Quartz-bearing metamorphic rock, likely quartzite
Quartzite; predominantly quartz (SiO₂), with possible feldspar, mica, and iron-oxide staining
Yellow Agate
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Brecciated Jasper
Silicon Dioxide (SiO2) with Hematite impurities
Gneiss (specifically a Granitic Gneiss)
Gneiss (Composition: Quartz, Feldspar, Mica)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)