Milky Quartz
Silicon Dioxide (SiO2)
Category
Browse mineral (man made glass) specimens identified by the Rock Identifier community.
Milky Quartz
Silicon Dioxide (SiO2)
Quartz Crystal on Matrix
Silicon Dioxide (SiO2)
Clear Quartz
Silicon dioxide (SiO2)
Quartz and Iron Oxide
Quartz (Silicon Dioxide, SiO2) with possible Limonite/Hematite inclusions
Pink Granite
Granite (Phaneritic Quartz-Feldspar Rock)
Sandstone (Quartz-rich)
Arenite (Quartz Arenite)
Lapis Lazuli
Lazurite-rich metamorphic rock (approx. (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2)
Clear Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz (Clear or Cloudy)
Silicon Dioxide (SiO2)
Quartz Crystal Fragment
Silicon Dioxide (SiO2)
Pyrite-bearing Rock
Iron Sulfide (FeS2) associated with host rock
Smoky Quartz
Silicon Dioxide (SiO2)
K-Feldspar / Granite Pegmatite
Potassium Feldspar (Microcline/Orthoclase) with Quartz
Quartz Crystal Point
Silicon Dioxide (SiO2)
Quartz (Citrine or Smoky variety)
Silicon Dioxide (SiO2)
Milky Quartz
Crystalline Quartz (SiO2)
Orange calcite
Calcite (CaCO₃)
Green Jasper Pebble
Microcrystalline Quartz (Chalcedony), SiO2
Chert (often called Flint or Jasper based on color)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Milky Quartz Vein in Host Rock
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz (Microcrystalline Gravel)
Silicon Dioxide (SiO2)
Milky Quartz
Crystalline Silicon Dioxide (SiO2)
Quartz Pebble (Grit)
Silicon Dioxide (SiO2)
Tektite (Indochinite)
Tektite (High-silica natural glass, primarily SiO2 with Al2O3)
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
Black tourmaline beads (likely schorl)
Schorl, NaFe₃Al₆(BO₃)₃Si₆O₁₈(OH)₄
Quartz (Milky/Crystalline)
Silicon Dioxide (SiO2)
Lepidolite
K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2
Clear Quartz and Rose Quartz Bracelet
Silicon Dioxide (SiO2)
Yellow Chert (Chert / Cryptocrystalline Quartz)
Silicon Dioxide (SiO2)
Yellow Quartzite (River Pebble)
Quartzite (mainly SiO2 with iron oxide impurities)
Chert (Jasper/Flint variety)
Silicon Dioxide (SiO2)
Milky Quartz Pebble
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Quartz with Iron Oxide
Silicon Dioxide (SiO2)
Quartz with Hematite Staining
Silicon Dioxide (SiO2) with Ferric Oxide (Fe2O3) inclusions
Sandstone (with Iron Staining)
Clastic Sedimentary Rock (primarily Quartz, SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)