Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Category
Browse man made silicate (anthropogenic glass) specimens identified by the Rock Identifier community.
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Fluorite
Calcium Fluoride (CaF2)
Quartzite
Quartzite (Primary mineral: SiO2)
Amethyst
Amethyst (Silicon Dioxide - SiO2 with iron impurities)
Vuggy Quartz on Matrix
Silicon Dioxide (SiO2)
Jasper with Agate and Quartz Inclusions
Silicon Dioxide (SiO2) - Chalcedony / Quartz aggregate
Pink Quartz (Rose Quartz variant)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Sandstone (Ferruginous)
Sandstone (primarily SiO2 with Fe2O3 cement)
Sandstone (Weathered Cobble)
Clastic Sedimentary Rock (primarily SiO2)
Quartz / Iron-Stained Quartz
Silicon Dioxide (SiO2) with iron oxide inclusions/staining
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Bicolor Quartz (Milk Quartz with Slag or Dark Inclusions)
Silicon Dioxide (SiO2) with impurities
Quartz Geode (Cracked Open)
Quartz (Silicon Dioxide - SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
White Quartz (Milky Quartz Pebble)
Silicon Dioxide (SiO2)
Quartzite Pebble
Quartzite (primarily SiO2)
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Sandstone (Quartz-rich Pebble)
Arenite (primarily SiO2)
Quartz (Milky and Smoky variety)
Silicon Dioxide (SiO2)
Orthoclase Feldspar
Potassium Feldspar (KAlSi3O8)
Sandstone (Quartzose Pebble)
Clastic Sedimentary Rock (Litharenite/Quartz arenite)
Yellow Calcite
Calcium Carbonate (CaCO3)
Yellow Quartzite (Onyx Pebble)
Silicon Dioxide (SiO2) - Quartzite
Pyrite (on Quartz matrix)
Iron Sulfide (FeS2)
White Quartz Pebble (Milky Quartz)
Silicon Dioxide (SiO2)
Feldspar-rich Pegmatite
Granitic Pegmatite (principally KAlSi3O8)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Quartz (Smoky or Impure Variety)
Silicon Dioxide (SiO2)
Sandstone
Arenite (primarily SiO2, silica)
Blue Goldstone
Aventurine Glass (SiO2 with Co and metallic inclusions)
Rainbow Fluorite
Fluorite (Calcium Fluoride, CaF2)
Fluorite Octahedron
Fluorite (Calcium Fluoride, CaF2)
River Quartz Pitting/Cobble
Silicon Dioxide (SiO2)
Milky Quartz Cobble
Silicon Dioxide (SiO2)
Quartz (Milky/Rose variety)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO₂)
Chert (Grey Chert)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Bull Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Milky Quartz with Chlorite/Epidote inclusions
Silicon Dioxide (SiO2) with phyllosilicate/sorosilicate inclusions