Milky Quartz (Druzy Coating)
Silicon Dioxide (SiO2)
Category
Browse man made glass mineral simulant specimens identified by the Rock Identifier community.
Milky Quartz (Druzy Coating)
Silicon Dioxide (SiO2)
Quartz (Clear Quartz/Rock Crystal)
Silicon Dioxide (SiO2)
Herkimer Diamond
Quartz (Silicon Dioxide - SiO2)
White quartz pebble
Quartz (silicon dioxide, SiO₂), likely milky quartz
Quartz (Milky/Clear Quartz)
Silicon Dioxide (SiO2)
Quartz Druzy
Silicon Dioxide (SiO2)
Amazonite with Smoky Quartz and Feldspar
Microcline (KAlSi3O8) with Quartz (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Chert (Flint)
Silicon Dioxide (SiO2)
Milky Quartz with Inclusions
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Sandstone Pebble
Arenite (SiO2 complex)
Fluorite
Calcium Fluoride (CaF2)
Quartz geode (likely amethyst-bearing geode)
Microcrystalline quartz and drusy quartz; SiO₂, with possible iron-stained or amethyst quartz
Quartz
Silicon Dioxide (SiO2)
Quartz / Feldspar Specimen
SiO2 (Quartz) / KAlSi3O8 - NaAlSi3O8 - CaAl2Si2O8 (Feldspar Group)
Smoky Quartz
Silicon Dioxide (SiO2)
Quartz Cluster
Silicon Dioxide (SiO2)
Orthoclase Feldspar
Orthoclase (KAlSi3O8)
Potassium Feldspar (Orthoclase)
Orthoclase (KAlSi3O8)
Green Aventurine
Quartz with fuchsite inclusions (SiO2)
Green Aventurine
Quartz variety (SiO2 with inclusions of Fuchsite)
Green Aventurine
Aventurine Quartz (SiO2 with Fuchsite inclusions)
Green Aventurine
Aventurine Quartz (SiO2 with Fuchsite inclusions)
Amethyst
Silicon Dioxide (SiO2) with iron impurities
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz (Smoky/Milky variety)
Silicon Dioxide (SiO2)
Potassium Feldspar (Orthoclase / Microcline)
KAlSi3O8
Obsidian
Volcanic glass
Quartz pebble
Silicon dioxide (SiO2)
Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Orange Quartz (Citrine Quartz)
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Chalcedony (likely iron-stained agate)
Microcrystalline quartz, SiO₂ (chalcedony/agate)
Blue chalcedony (likely common blue agate)
Microcrystalline quartz, SiO₂; chalcedony variety
Chalcedony (River or Beach Pebbles)
Chalcedony (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz Pebble
Silicon Dioxide (SiO2)
Quartz (Water-worn Pebble)
Quartz (Silicon Dioxide, SiO2)
White Quartz
Silicon Dioxide (SiO2)
Mahogany Obsidian
Volcanic Glass with Hematite or Magnetite (SiO2 + Fe2O3)
Sandstone (Ferruginous)
Arenite (Fe2O3 stained)