Milky Quartz
Silicon Dioxide (SiO2)
Category
Browse metamorphic and igneous specimens identified by the Rock Identifier community.
Milky Quartz
Silicon Dioxide (SiO2)
Epidote and Quartz in Basalt
Epidote [Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH)] in Metabasalt
Quartz (Milky or Cloudy Quartz)
Silicon Dioxide (SiO2)
Ferruginous Quartz
Quartz (Silicon Dioxide) - SiO2 with Iron Oxide inclusions
Gold in Quartz Ore
Hydrothermal Quartz with native Gold (Au)
Mica-rich Pegmatite
Pegmatite (rich in Muscovite and Biotite)
Gneiss (Metamorphic Pebble)
Gneissic Metamorphic Rock
Jasper in Rhyolite matrix
Silicon Dioxide (SiO2) with various inclusions in Felsic Igneous matrix
Banded Gneiss
Gneiss (Metamorphic Rock)
Quartz (likely a form of massive or vein quartz)
Quartz (SiO₂)
Serpentine
Antigorite-Lizardite-Chrysotile (Mg3Si2O5(OH)4)
Garnet
Garnet (X3Y2(SiO4)3)
Gneiss
Foliated Metamorphic Gneiss
Gneiss
Gneissic Metamorphic Rock
Ruby (Corundum)
Corundum (Aluminum Oxide with Chromium), Al2O3:Cr
Quartz (Druzy) on Matrix
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Milky Quartz (with trace inclusions)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Blue Apatite
Apatite group (Ca5(PO4)3(F,Cl,OH))
Blue Calcite
Calcite (Calcium Carbonate, CaCO3)
Raw Emerald in Matrix
Beryl (Be3Al2Si6O18) with Chromium/Vanadium impurities
Yellow Quartz
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Citrine Quartz
Silicon Dioxide (SiO2)
Citrine Quartz
SiO2 (Silicon Dioxide with Iron impurities)
Bornite
Copper Iron Sulfide (Cu5FeS4)
Quartz (Milky/Crystalline variety)
Silicon Dioxide (SiO2)
Citrine
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Labradorite
Plagioclase Feldspar ((Ca, Na)(Al, Si)4O8)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Smoky Quartz
Smoky Quartz (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz Mineral
Silicon Dioxide (SiO2)
Quartz (Citrine or Iron-Stained)
Silicon Dioxide (SiO2)
Citrine
Silicon Dioxide (SiO2)
Gemstones (Emerald and Yellow Topaz or Citrine)
Beryl (Be3Al2Si6O18) and Quartz (SiO2) or Topaz (Al2SiO4(F,OH)2)
Hematite
Hematite (Α-Fe2O3)
Quartz (Amethyst variety)
Silicon Dioxide (SiO2)
Chalcopyrite (Peacock Ore)
Chalcopyrite (CuFeS2)