Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Category
Granite
Browse granite specimens identified by the Rock Identifier community.
Learn about Granite in the encyclopedia
View all →
Granite Glacial Erratic
Granite (Phaneritic Quartz-Feldspar Plutonic Rock)
igneous
Gneiss
Gneiss (High-grade regional metamorphic rock)
Metamorphic
Coarse-grained Granite
Granitoid (KAlSi3O8 + SiO2 + NaAlSi3O8)
igneous
Gneiss (High-grade Metamorphic Rock)
Gneiss
metamorphic
Gneiss
Gneiss (High-grade Regional Metamorphic Rock)
metamorphic
Quartz Sand Grain
Silicon Dioxide (SiO2)
mineral
Biotite (Mica)
Biotite group (K(Mg,Fe)3AlSi3O10(F,OH)2)
mineral
Gneiss
High-grade regional metamorphic Gneiss
metamorphic
Iron-stained Quartz
Silicon Dioxide (SiO2) with iron oxide inclusions
mineral
Mixed Quartz Bracelet (Rose Quartz and Larimar-colored beads)
Silicon Dioxide (SiO2) with various inclusions
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Milky Quartz (among River Rock)
Quartz (Silicon Dioxide, SiO2)
Mineral
Quartz Pebble
Silicon Dioxide (SiO2)
Mineral / Sedimentary component
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Quartz / Vein Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Gneiss
Gneiss (High-grade Metamorphic Rock)
metamorphic
Gneiss
Gneiss
metamorphic
Lepidolite
K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2 (Lithium-bearing Phyllosilicate)
mineral
Milky Quartz with Iron Staining
Silicon Dioxide (SiO2)
mineral
Quartz (Milky Quartz vein fragment)
Silicon Dioxide (SiO2)
mineral
Bauxite (Laterite Clay)
Bauxite (mixture of Hydrous Aluminum Oxides: Gibbsite Al(OH)3, Boehmite and Diaspore AlO(OH))
sedimentary
Gneiss
Gneiss (Metamorphic high-grade)
metamorphic
Quartz
Silicon Dioxide (SiO2)
mineral
Citrine Quartz
Silicon Dioxide (SiO2)
mineral
Gneiss (Stream-worn Cobble)
Gneiss (Metamorphic rock composed primarily of Quartz, Feldspar, and Mica)
metamorphic
Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
mineral
Quartz (Milky or Smoky variant)
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Quartz / Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Gneiss
Gneiss (High-grade metamorphic rock)
metamorphic
Smoky Quartz
Smoky Quartz (SiO2)
mineral
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Cloudy Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Orthoclase (Potassium Feldspar)
KAlSi3O8 (Potassium Aluminum Silicate)
mineral
Black Tourmaline (Schorl)
Schorl (Sodium iron aluminum borosilicate hydroxide) NaFe3Al6(BO3)3Si6O18(OH)4
mineral
Aquamarine
Beryllium aluminum silicate (Be3Al2Si6O18)
mineral
Morganite and Aquamarine (Beryl) Bracelet
Beryllium aluminum silicate, Be3Al2(SiO3)6
gemstone
Lepidolite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
mineral