Orthoclase Feldspar
Potassium aluminum silicate (KAlSi3O8)
Category
Browse mineral simulant (synthetic glass) specimens identified by the Rock Identifier community.
Orthoclase Feldspar
Potassium aluminum silicate (KAlSi3O8)
Agate (specifically Waterline or Onyx-type Agate)
Silicon Dioxide (SiO2) - variety Chalcedony
Citrine Quartz
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2) with aluminum impurities
Rose Quartz
Quartz (Silicon Dioxide, SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Sandstone
Clastic sedimentary rock (primarily SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz (River Pebble)
Silicon Dioxide (SiO2)
Chert (Flint)
Silicon Dioxide (SiO2)
Quartz (Druzy on Matrix)
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Milk Quartz (Tumbled Pebble)
Quartz (Silicon Dioxide, SiO2)
Granite (Leucogranite)
Felsic Plutonic Rock (Granite)
Rough Quartz
Silicon Dioxide (SiO2)
Quartz with Mica/Chlorite inclusions
Silicon Dioxide (SiO2) with phyllosilicate inclusions
Rose Quartz
Silicon dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Smoky Quartz
SiO2 (Silicon Dioxide with aluminum impurities)
Citrine
Silicon Dioxide (SiO₂)
Quartz (Milky/Common Quartz)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz with Iron Inclusions
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Green Fluorite
Calcium Fluoride (CaF2)
Milky Quartz Pebble
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Flower Agate
Chalcedony (SiO2) with Scolecite/Opaque inclusions
Green Aventurine
Silicon Dioxide (SiO2) with inclusions of Fuchsite mica
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silica / Silicon Dioxide), SiO2
Iron-stained Quartzite / Chert
Silicon Dioxide (SiO2) with Hematite/Limonite impurities
Green Aventurine
Quartz (SiO2) containing Fuchsite (K(Al,Cr)2(AlSi3O10)(OH)2)
Sandstone
Arenite (primarily SiO2)
Green Aventurine
Silicon Dioxide (SiO2) with Fuchsite inclusions
Aventurine (Green)
Silicon Dioxide (SiO2) with inclusions of Fuchsite (K(Al,Cr)2(AlSi3O10)(OH)2)
Quartz nodule (River pebble)
Silicon Dioxide (SiO2)
Milky Quartz
Crystalline Silicon Dioxide (SiO2)