Milky Quartz
Silicon Dioxide (SiO2)
mineral
Category
Synthetic Glass
Browse synthetic glass specimens identified by the Rock Identifier community.
Learn about Synthetic Glass in the encyclopedia
View all →
Sandstone (River Cobble)
Clastic sedimentary rock (primarily SiO2)
sedimentary
Calcite
Calcium Carbonate (CaCO3)
mineral
Pink Feldspar
Orthoclase (KAlSi3O8)
igneous
Quartz (Druzy) on Matrix
Silicon Dioxide (SiO2)
mineral
Orthoclase Feldspar
K(AlSi3O8)
mineral
Sandstone with Iron Staining
Arenite (SiO2 with Fe2O3)
sedimentary
Quartzite pebble
Quartzite (SiO2 silicon dioxide)
metamorphic
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Potassium Feldspar
K-Feldspar (Orthoclase/Microcline) KAlSi3O8
mineral
Sandstone (Ferruginous)
Arenite with Iron Oxide cement
sedimentary
Quartzite
Quartzite (primarily SiO2)
metamorphic
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Quartzite Pebble
Quartzite (SiO2)
metamorphic
Sandstone
Arenite (SiO2 primarily)
sedimentary
Quartz (Iron-Stained)
Silicon Dioxide (SiO2)
mineral
Sandstone (Quartzose)
Arenite (primarily SiO2)
sedimentary
Sandstone (Red)
Arenite (primarily SiO2 with Fe2O3)
sedimentary
Sandstone (Quartzose)
Arenite (primarily SiO2)
sedimentary
Sandstone
Arenite (SiO2 primarily)
sedimentary
Orthoclase Feldspar
KAlSi3O8 (Potassium Aluminum Silicate)
mineral
Quartz with Mica inclusions (likely Schist or Gneiss host)
Silicon Dioxide (SiO2) with Phyllosilicates (KAl2(AlSi3O10)(OH)2)
metamorphic
Quartz (Smoky/Milky variety)
Silicon Dioxide (SiO2)
mineral
Orthoclase Feldspar
KAlSi3O8 (Potassium Aluminum Silicate)
mineral
Milky Quartz (Tumbled/Polished)
Silicon Dioxide (SiO2)
mineral
Quartz pebble
Silicon Dioxide (SiO2)
mineral
Sandstone (Quartzose Sandstone)
Clastic sedimentary rock (SiO2 major component)
sedimentary
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
Mineral
Sandstone
Arenite (SiO2 based typically)
sedimentary
Quartzite cobblestone
Quartzite (primarily SiO2)
metamorphic
Sandstone (Quartzose Sandstone)
Sandstone (SiO2 with various trace minerals)
sedimentary
Quartz (River Pebble)
Silicon Dioxide (SiO2)
mineral
Quartz vein in Schist
Crystalline Silicon Dioxide (SiO2) in Metamorphic Host
metamorphic
Sandstone (Water-worn Pebble)
Clastic Sedimentary Rock (primarily SiO2)
sedimentary
Bull Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Orthoclase Feldspar
Orthoclase (KAlSi3O8)
mineral
Sandstone
Arenite (SiO2 based)
sedimentary
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Sandstone
Arenite (composed primarily of SiO2)
sedimentary
Iron-stained Quartzite
Recrystallized Quartz (SiO2) with Hematite/Limonite staining
metamorphic