Muscovite Mica
Muscovite: KAl2(AlSi3O10)(OH)2
Category
Browse man made mineral simulant (glass) specimens identified by the Rock Identifier community.
Muscovite Mica
Muscovite: KAl2(AlSi3O10)(OH)2
Muscovite Mica
Muscovite (KAl2(AlSi3O10)(OH)2)
Muscovite Mica (Golden/Yellow variety)
KAl2(AlSi3O10)(F,OH)2
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz with Iron Staining
Quartz (Silicon Dioxide, SiO2)
Obsidian
Volcanic glass (Mainly SiO2)
Quartz (Clear Quartz/Rock Crystal)
Silicon Dioxide (SiO2)
Amethyst (Chevron Amethyst/Dream Amethyst)
Silicon Dioxide (SiO2) with trace Iron impurities
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Milky Quartz (Gold-bearing Prospecting Specimen)
Silicon Dioxide (SiO2)
Quartz (Rock Crystal) with minor impurities
Quartz (SiO2)
Clear/White Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Metallic Ornament / Jewelry
N/A - This is an artificial object, not a geological specimen.
Milky Quartz
Silicon Dioxide (SiO2)
Pink Orthoclase Feldspar with Dendrites
Orthoclase (KAlSi3O8) with Manganese Oxide dendrites
Celestine (or Celestite) on Matrix
Celestine (SrSO4)
Quartz (Pale Rose or Milky Variety)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Fluorite (left), Sodalite (middle), Dumortierite/Tumbled Quartzite (right)
Calcium Fluoride (CaF2), Sodium Aluminum Silicate Chloride (Na8(Al6Si6O24)Cl2), Aluminum Borosilicate (Al7(BO3)(SiO4)3O3)
Orthoclase Feldspar
Orthoclase (KAlSi3O8)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz in Matrix (possibly with Biotite or Hornblende)
Quartz (Silicon Dioxide, SiO2) in Granitic Matrix
Bicolor Quartz Tumble
Silicon Dioxide (SiO2)
Granodiorite (or Granite) Pebble
Phaneritic Felsic Igneous Pebble
Quartz / Clear Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Green Fluorite
Calcium Fluoride (CaF2)
Quartz with Arsenopyrite
Silicon Dioxide (SiO2) with Iron Arsenic Sulfide (FeAsS)
Milky Quartz with Pyrite inclusions
Silicon Dioxide (SiO2) with Iron Disulfide (FeS2)
Milky Quartz with Iron Staining
Silicon Dioxide (SiO2)
Quartzite River Rock with Dendrites
Metamorphosed Quartz-rich Sandstone with Manganese Oxide (MnO2) inclusions
Obsidian
Volcanic Glass (SiO2)
Ruby (varieties of Corundum)
Aluminum oxide (Al2O3) with Chromium traces
Crazy Lace Agate
Chalcedony (Silicon Dioxide, SiO2)
Milky Quartz Pebble with Chert
Silicon Dioxide (SiO2)
Quartz (River Pebble)
Silicon Dioxide (SiO2)
Sandstone (Quartzite-rich)
Clastic sedimentary rock (primarily SiO2)
Quartz Geode Fragment with Iron Staining
Silicon Dioxide (SiO2)
Potassium Feldspar and Quartz
KAlSi3O8 (Potassium Feldspar) and SiO2 (Quartz)