Milky Quartz
Silicon Dioxide (SiO2)
mineral
Category
Igneous, Sedimentary, And Metamorphic
Browse igneous, sedimentary, and metamorphic specimens identified by the Rock Identifier community.
Learn about Igneous, Sedimentary, And Metamorphic in the encyclopedia
View all →
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Raw Emerald (Emerald Beryl)
Beryl (Be3Al2Si6O18) with chromium/vanadium impurities
mineral
Almandine Garnet
Fe3Al2(SiO4)3
mineral
Carved Sea Turtle Figurine (Aventurine / Quartz / Jasper)
Quartz variety (SiO2) / Polycrystalline Quartz Aggregate
mineral
Quartz (possibly milky quartz)
Quartz (Silica; SiO₂)
Mineral
Kyanite
Kyanite (Al2SiO5)
mineral
Graphite
Graphite (C)
mineral
Gneiss
Gneiss (Metamorphic rock of variable composition, typically SiO2 rich)
metamorphic
Quartz
Silicon Dioxide (SiO2)
Mineral
Gneiss
Gneiss (High-grade metamorphic rock)
metamorphic
Hematite
Iron(III) oxide (Fe2O3)
mineral
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Magnetite
Magnetite (Fe3O4)
mineral
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Ferruginous Quartz
Silicon Dioxide (SiO2) with Iron Oxide (Limonite/Hematite)
mineral
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Greenstone or Epidote-rich rock
Epidote or Chlorite schist/greenstone
metamorphic
Quartz (likely Milky Quartz)
Quartz (SiO₂ - Silicon Dioxide)
Mineral
Sphalerite
Zinc Sulfide (ZnS)
mineral
Quartz
Silicon Dioxide (SiO₂)
Mineral
White Quartz
Silicon Dioxide (SiO2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
sedimentary
Quartzite
Quartzite (primarily SiO₂)
metamorphic
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Biotite Schist (likely)
Biotite Schist (rock), Biotite (mineral)
Metamorphic
Green Aventurine
Aventurine Quartz (SiO2 with Fuchsite inclusions)
mineral
Emerald in Matrix (Quartz/Schist)
Beryl (Be₃Al₂Si₆O₁₈) with Chromium/Vanadium impurities
mineral
Gneiss
Gneiss (High-grade regional metamorphic rock)
metamorphic
Labradorite
Plagioclase Feldspar (Na,Ca)(Al,Si)4O8
mineral
Milky Quartz with Iron Staining
Quartz (SiO2)
mineral
Prehnite with Epidote and Quartz
Prehnite (Ca2Al(AlSi3O10)(OH)2)
mineral
Prehnite
Calcium aluminum silicate hydroxide, Ca2Al(AlSi3O10)(OH)2
mineral
Labradorite
Plagioclase Feldspar ((Na,Ca)(Al,Si)4O8)
mineral
Sodalite
Sodalite: Na8(Al6Si6O24)Cl2
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Sodalite
Na8(Al6Si6O24)Cl2
mineral
Potassium Feldspar (Orthoclase / Microcline)
KAlSi3O8
mineral