Quartz (Milky/Smoky variety)
Silicon Dioxide (SiO2)
Category
Browse mineral (metamorphic pseudomorph) specimens identified by the Rock Identifier community.
Quartz (Milky/Smoky variety)
Silicon Dioxide (SiO2)
Quartz Pebble
Crystalline Silicon Dioxide (SiO2)
Green Aventurine
Aventurine Quartz (SiO2 with inclusions of Fuchsite)
Quartz (River Pebble)
Silicon Dioxide (SiO2)
Banded Agate (Yellow Agate)
Silicon Dioxide (SiO2)
Garnet (Almandine)
Almandine (Fe3Al2(SiO4)3)
Amazonite
KAlSi3O8 (Potassium Aluminum Silicate)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Corundum (Ruby/Sapphire crystal)
Al2O3 (Aluminum Oxide)
White Quartz
Silicon Dioxide (SiO2)
Hematite
Iron(III) oxide (Fe2O3)
Quartz (Milky/Common)
Quartz (Silicon Dioxide, SiO2)
Sunstone
Aventurine Feldspar ((Ca,Na)(Al,Si)4O8)
Milky Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Orange Quartz
Crystalline Silicon Dioxide (SiO2) with iron oxide inclusions
Gold Nugget
Native Gold (Au)
Muscovite Mica (Golden/Yellow variety)
KAl2(AlSi3O10)(F,OH)2
Quartz (Smoky/Milky variety)
Silicon Dioxide (SiO2)
White Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Green Aventurine
Aventurine Quartz (SiO2 with Fuchsite inclusions)
Dumortierite Quartz
Al7BO3(SiO4)3O3 (Borosilicate mineral/Quartz inclusion)
Banded Gneiss
Gneiss (High-grade regional metamorphic rock)
Charoite
Charoite (K(Ca,Na)2Si4O10(OH,F)·nH2O)
Lapis Lazuli
Lazurite-rich metamorphic rock (approx. Na6Ca2(Al6Si6O24)(S,SO4,Cl)1,2)
Charoite
Charoite (Hydrated potassium sodium calcium barium strontium silicate hydroxyfluoride)
Quartz (River Pebble)
Silicon Dioxide (SiO2)
Quartz (Smoky/Milky variety)
Silicon Dioxide (SiO2)
Quartz (Pebble)
Quartz (SiO₂)
Jadeite Jade
NaAlSi2O6 (Sodium Aluminum Silicate)
Graphite
Graphite (Native Carbon), Formula: C
Milky Quartz with Iron Staining
Silicon Dioxide (SiO2)
Quartz (Smoky Quartz variant)
Silicon Dioxide (SiO2)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Milk Quartz (Vein Quartz)
Quartz (Silicon Dioxide, SiO2)
Clear Quartz
Quartz (Silicon Dioxide, SiO2)
Quartzite with inclusions
Quartzite (SiO2)
Mica Schist
Mica Schist (Composition typically contains Muscovite: KAl2(AlSi3O10)(OH)2 or Biotite: K(Mg,Fe)3AlSi3O10(OH)2 along with Quartz and Feldspar)
Green Aventurine
Aventurine Quartz (SiO2 with Fuchsite inclusions)
Aquamarine
Beryl (Be3Al2Si6O18)
Green Calcite
Calcite (Calcium Carbonate, CaCO3)