Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Category
Browse synthetic glass (man made) specimens identified by the Rock Identifier community.
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Sandstone (Ferruginous)
Arenite (primarily SiO2 with iron oxide cement)
Sandstone
Arenite
Chert (Field Stone)
Chert (Silicon Dioxide, SiO2)
Sandstone (Banded)
Clastic Sedimentary Rock (primarily SiO2)
Pegmatite with Muscovite
Granitic Pegmatite (KAl2(AlSi3O10)(OH)2)
Sandstone
Arenite (composed primarily of SiO2)
Sandstone
Arenite (SiO2 principal)
Milky Quartz
Silicon Dioxide (SiO2)
Sandstone (Ferruginous/Red Sandstone)
Clastic sedimentary rock (primarily SiO2 with Fe2O3)
Quartzite
Quartzite (primarily SiO2)
Orthoclase Feldspar
Orthoclase (KAlSi3O8)
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Quartzite
Quartzite (primarily SiO2)
Lepidolite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
Orpiment
Orpiment (As2S3)
Milky Quartz with Mica
Silicon Dioxide (SiO2) with Muscovite Mica [KAl2(AlSi3O10)(OH)2]
Quartz with Iron Staining
Silicon Dioxide (SiO2) with Ferruginous Oxides
Sandstone
Arenite (SiO2 primarily)
Quartzite
Quartzite (primarily SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz Geode or Druzy Quartz
Silicon Dioxide (SiO2)
Quartzite River Stone
Quartzite (primarily SiO2)
Sandstone (Ferruginous)
Arenite (with iron oxide cement, Fe2O3)
Sandstone
Arenite (primarily Quartz, SiO2)
Quartz with Arsenopyrite
Silicon Dioxide (SiO2) with Iron Arsenic Sulfide (FeAsS)
Bull Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Orthoclase (Potassium) Feldspar in Quartz
KAlSi3O8 (Potassium Aluminum Silicate)
Sandstone
Arenite (composed primarily of SiO2)
Sandstone Beach Pebble
Clastic sedimentary rock (SiO2 with iron oxide cement)
Sandstone (Red/Brown Variety)
Arenite (SiO2 with iron oxide impurities)
Quartzite
Quartzite (SiO2)
Pink Feldspar
Orthoclase Feldspar (KAlSi3O8)
Sandstone (Ferruginous)
Arenite (primarily SiO2 with Fe2O3 staining)
Sandstone
Clastic Sedimentary Rock (primarily SiO2)
Quartz Pebble (likely Chalcedony or Quartzite)
Silicon Dioxide (SiO2)
Quartzite (River Pebble)
Metamorphosed Quartz Sandstone (SiO2)
Sandstone
Arenite (composed primarily of SiO2)
Sandstone (likely Quartzose)
Arenite (primarily SiO2)