Quartz (Milky or Druzy Quartz)
Silicon Dioxide (SiO2)
mineral
Category
Igneous And Mineral
Browse igneous and mineral specimens identified by the Rock Identifier community.
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Milky Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
mineral
Clear Quartz Crystal
Quartz (Silicon Dioxide, SiO2)
mineral
Granite (River-worn Pebble)
Phaneritic Igneous Rock (Granitic composition)
igneous
Unakite or Epidosite
Epidosite (Mineral composition: Epidote, Feldspar, and Quartz)
metamorphic
Porphyry
Porphyritic Basalt or Andesite
igneous
Basalt with Plagioclase Porphyry
Porphyritic Basalt
igneous
Granite Cobble (River Stone)
Felsic intrusive igneous rock (composition: Quartz, Feldspar, Mica)
igneous
Granite
Granite (Alkali-feldspar granite)
igneous
Pink Granite
Granite (Phaneritic igneous rock rich in Alkali Feldspar and Quartz)
igneous
Granite
Plutonic Igneous Rock (composed primarily of Quartz, Feldspar, and Mica)
igneous
Granite
Granite
igneous
Pink Granite
Granite (Alkali-feldspar granite)
igneous
Granite
Phaneritic plutonic rock (approx. 20-60% quartz, 35-90% feldspar)
igneous
Almandine Garnet
Almandine (Fe3Al2(SiO4)3)
mineral
Milky Quartz
SiO2 (Silicon Dioxide)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Blue Aura Quartz
Silicon Dioxide (SiO2) with metallic vapor coating
mineral
Citrine
Silicon dioxide (SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz (Common Quartz/Citrine-toned)
Silicon Dioxide (SiO2)
mineral
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Chalcedony (Agate/Carnelian)
Silicon Dioxide (SiO2)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Sodalite in Feldspar Matrix
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Amethyst
Silicon Dioxide (SiO2) containing iron impurities and irradiation
mineral
Orthoclase Feldspar
K(AlSi3O8)
mineral
Yellow Quartz or Citrine Quartz
Silicon Dioxide (SiO2)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Citrine
Silicon Dioxide (SiO2)
mineral
Labradorite (Gray Moonlight variation)
(Ca, Na)(Al, Si)4O8
mineral
Calcite
Calcium Carbonate (CaCO3)
mineral
Smoky Quartz (Rough)
Silicon Dioxide (SiO2)
mineral
Amethyst (Tumbled)
Silicon Dioxide (SiO2) with iron impurities
mineral
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral