Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Category
Crystal
Browse crystal specimens identified by the Rock Identifier community.
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Blue Apatite
Apatite - Ca5(PO4)3(F,Cl,OH)
mineral
Aquamarine
Beryl (Be3Al2Si6O18)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Kyanite in Quartz
Kyanite (Al2SiO5) with Quartz (SiO2) matrix
metamorphic
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
mineral
Basalt (Beach Pebble)
Extrusive mafic igneous rock
igneous
Blue Chalcedony
Silicon Dioxide (SiO2) - Microcrystalline Quartz
mineral
Raw Emerald
Beryl (Be3Al2Si6O18 with Chromium/Vanadium impurities)
mineral
Amethyst
Quartz (Silicon Dioxide with iron impurities), SiO2
mineral
Amethyst Quartz
Amethyst (Silicon Dioxide, SiO2)
mineral
Basalt Porphyry
Porphyritic Basalt
igneous
Granodiorite Pebble
Granodiorite (Intermediate intrusive igneous rock)
igneous
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Amethyst
SiO2 (Silicon Dioxide with iron impurities)
mineral
Common Opal with Host Rock
Opal (Hydrated silica, SiO2·nH2O)
mineral
Almandine Garnet in Matrix
Almandine (Fe3Al2(SiO4)3)
metamorphic
Lepidolite on Pegmatite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Jasper (with Manganese or Iron inclusions)
Silicon Dioxide (SiO2)
sedimentary
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Limonite after Pyrite (Pseudomorph)
FeO(OH)·nH2O following FeS2
mineral
Milky Quartz (Pebble)
Silicon Dioxide (SiO2)
mineral
Amethyst (Geode)
Silicon Dioxide (SiO2) with iron impurities
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Yellow Quartz (Chalcedony)
Silicon Dioxide (SiO2)
mineral
Granitic Pegmatite with Biotite
Pegmatitic Granite (contains KAlSi3O8, SiO2, K(Mg,Fe)3AlSi3O10(OH)2)
igneous
Citrine
Silicon Dioxide (SiO2) with iron impurities
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Aquamarine
Beryl (Be3Al2Si6O18), specifically the blue-green variety
Mineral
Quartz (Milky Quartz)
Silicon Dioxide (SiO₂)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral