Quartz (Milky or Druzy variety)
Silicon Dioxide (SiO2)
mineral
Category
Antropogenic (Man Made Glass Byproduct)
Browse antropogenic (man made glass byproduct) specimens identified by the Rock Identifier community.
Quartz (Iron-Stained)
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
mineral
Clear/White Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Milky Quartz (with Iron Oxide staining)
Silicon Dioxide (SiO2)
mineral
Milky Quartz with Pyrite inclusions
Silicon Dioxide (SiO2) with Iron Disulfide (FeS2)
mineral
Chert / Flint
Microcrystalline Quartz (SiO2)
sedimentary
Quartzite
Quartzite (primarily SiO2)
metamorphic
Peridot
Olivine (Magnesium Iron Silicate - (Mg, Fe)2SiO4)
mineral
Kunzite
Spodumene (LiAlSi2O6)
mineral
Peridot
Olivine (Magnesium Iron Silicate - (Mg, Fe)2SiO4)
mineral
Olivine (Peridot in gem form)
Magnesium Iron Silicate (Mg,Fe)2SiO4
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Limestone
Sedimentary Calcium Carbonate (CaCO3)
sedimentary
Quartz Geode
Crystalline Silicon Dioxide (SiO2) in Geode form
sedimentary
Quartzite Pebbles
Quartzite (SiO2)
metamorphic
Chert (Flint)
Silicon Dioxide (SiO2)
Sedimentary
Quartz (Milky or Pink-tinged)
Silicon Dioxide (SiO2)
mineral
Sandstone
Arenite (primarily SiO2)
sedimentary
Sandstone (Quartzose Sandstone)
Arenite
sedimentary
Sandstone (likely Quartzose Sandstone)
Arenite (primarily SiO2)
sedimentary
Orthoclase Feldspar with Quartz
Orthoclase (KAlSi3O8)
mineral
Orthoclase Feldspar
Orthoclase (KAlSi3O8)
mineral
Sandstone
Arenite (composed primarily of SiO2)
sedimentary
Sandstone (Quartzose Sandstone)
Clastic sedimentary rock (SiO2 major component)
sedimentary
Sandstone
Arenite
sedimentary
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Sandstone (Ferruginous)
Arenite (Fe2O3 dominant staining)
sedimentary
Quartzite
Quartzite (chiefly SiO2)
metamorphic
Sandstone (Ferruginous)
Arenite (composed primarily of SiO2 with iron oxide Fe2O3 cement)
sedimentary
Sandstone
Arenite (primarily SiO2)
sedimentary
Sandstone
Arenite (primarily SiO2)
sedimentary
Sandstone
Clastic sedimentary rock (primarily SiO2)
sedimentary
Quartz (Common or Milky)
Silicon Dioxide (SiO2)
mineral
Chert (Field Stone)
Chert (Silicon Dioxide, SiO2)
sedimentary
Sandstone (Banded)
Clastic Sedimentary Rock (primarily SiO2)
sedimentary
Sandstone
Arenite (composed primarily of SiO2)
sedimentary
Green Quartzite
Quartzite (SiO2)
metamorphic