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 →
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Quartzwacke / Impure Sandstone
Arenite with minor lithic fragments (Silicon Dioxide matrix)
sedimentary
Sandstone
Arenite (SiO2 principal component)
sedimentary
Sandstone (with Iron Staining)
Clastic sedimentary rock (primarily Quartz with Fe2O3 staining)
sedimentary
Sandstone (Quartzose)
Arenite (primarily SiO2)
sedimentary
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Quartzite Pebble (River Rock)
Quartzite (SiO2)
metamorphic
Quartzite Pebble
Metamorphosed Quartz Sandstone (SiO2)
metamorphic
Quartzite
Quartzite (SiO2)
metamorphic
Sandstone
Arenite (Sedimentary rock composed of sand-sized grains)
sedimentary
Quartzite
Quartzite (SiO2)
metamorphic
Quartzite Pebble
Quartzite (principally Silicon Dioxide, SiO2)
metamorphic
Sandstone (Quartz-rich)
Arenite (primarily SiO2)
sedimentary
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon dioxide (SiO2)
Mineral
Feldspar (specifically Orthoclase)
Potassium Aluminum Silicate (KAlSi3O8)
mineral
Sandstone (with Iron Staining)
Arenite (SiO2 predominantly)
sedimentary
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Clear Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Quartz (Citrine variety)
Silicon Dioxide (SiO2)
mineral
Quartz (Clear Quartz)
Silicon Dioxide (SiO2)
mineral
Milky Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Chert (specifically Cryptocrystalline Quartz)
Silicon dioxide (SiO2)
sedimentary
Green Quartzite
Meta-quartzite with Fuchsite inclusions (K(Al,Cr)2(AlSi3O10)(OH)2 + SiO2)
metamorphic
Chert (Flint)
Chert (Microcrystalline Quartz, SiO2)
sedimentary
Chert
Microcrystalline Quartz (SiO2)
sedimentary
Quartz
Silicon Dioxide (SiO2)
mineral
Mahogany Obsidian
Volcanic Glass with Hematite or Magnetite (SiO2 + Fe2O3)
igneous
Obsidian
Amorphous volcanic glass (70-75% SiO2)
igneous
Obsidian
Obsidian (Amorphous volcanic glass, SiO2 rich)
igneous
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz pebble
Silicon dioxide (SiO2)
mineral
Quartzite
SiO2 (Silicon Dioxide / Metamorphic Quartz)
metamorphic
Quartzite
Quartzite (SiO2)
metamorphic
Amethyst
Silicon Dioxide (SiO2) with iron impurities
gemstone
Quartz Pebble (on Granite)
Silicon Dioxide (SiO2)
mineral
Rose Quartz
Silicon Dioxide (SiO2)
mineral
Quartz (Milky/Smoky variety)
Silicon Dioxide (SiO2)
mineral
Quartz (specifically Clear or Rose Quartz)
Silicon Dioxide (SiO2)
mineral
Quartz (Milky/Clear Quartz)
Silicon Dioxide (SiO2)
mineral