Pegmatite with Lepidolite and Feldspar
Pegmatite (containing K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2 and KAlSi3O8)
Category
Browse man made mineral simulant (glass) specimens identified by the Rock Identifier community.
Pegmatite with Lepidolite and Feldspar
Pegmatite (containing K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2 and KAlSi3O8)
Sandstone (specifically Lithic or Quartz Arenite)
Arenite (composed primarily of SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
Feldspar
Potassium Feldspar (KAlSi3O8)
Jasper
Silicon dioxide (SiO2)
Sandstone
Arenite (SiO2 based)
Sandstone (Red/Brown)
Arenite (composed primarily of SiO2)
Sandstone (Quartzose)
Arenite (primarily SiO2)
Clear Quartz
Quartz (Silicon Dioxide, SiO2)
Sandstone
Arenite
River Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Amethyst (Scepter/Double Terminated Point)
Silicon Dioxide (SiO2)
Amethyst
SiO2 (Silicon Dioxide with Iron impurities)
Citrine Quartz
Silicon Dioxide (SiO2) with iron impurities
Quartz
Silicon Dioxide (SiO2)
Amethyst
Crystalline Silicon Dioxide with Iron impurities (SiO2)
Quartz Pebble (Water-worn Quartzite)
Silicon Dioxide (SiO2)
Epidote
Epidote (formula: Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH))
Sandstone (Calcareous or Ferruginous)
Clastic sedimentary rock (SiO2 with CaCO3 or Fe2O3 cement)
Amethyst
Amethyst (Silicon Dioxide with iron impurities), SiO2
Citrine (likely Heat-Treated Amethyst)
Silicon Dioxide (SiO2)
Chalcedony with Druzy Quartz Geode
Silicon Dioxide (SiO2)
Chert (Jasper variety)
Microcrystalline Quartz (SiO2)
Black Chert
Chert (microcrystalline quartz)
Potassium Feldspar
K-Feldspar (KAlSi3O8)
Quartz (specifically Clear Quartz or Rock Crystal)
Silicon Dioxide (SiO2)
Quartz (Grain)
Silicon Dioxide (SiO2)
Quartz (Milky and Smoky variety)
Silicon Dioxide (SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Milky Quartz with Iron Inclusions
Crystalline Silicon Dioxide (SiO2)
Chert (Jasper variety)
Silicon dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz (likely Rose or Milky Quartz)
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz Sand/Gravel
Silicon Dioxide (SiO2)
Milky Quartz Pebble (Iron-Stained)
Silicon Dioxide (SiO2)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Almandine Garnet
Almandine, Fe3Al2(SiO4)3
Quartz Vein in Host Rock
Silicon Dioxide (SiO2) within a metamorphic matrix
Green Aventurine
Silicon dioxide (SiO2) with Fuchsite inclusions