Pyrite
Iron Disulfide (FeS2)
mineral
Category
Metamorphic Rock (For Both Nephrite And Jadeite)
Browse metamorphic rock (for both nephrite and jadeite) specimens identified by the Rock Identifier community.
Schorl (Black Tourmaline)
NaFe3Al6(BO3)3Si6O18(OH)4 (Sodium Iron Aluminum Borosilicate)
mineral
Bornite (Peacock Ore)
Bornite (Cu5FeS4)
mineral
Tiger's Eye (commonly referred to as Blue/Gold Tiger's Eye)
Tiger's Eye is a variety of Chalcedony (cryptocrystalline quartz), SiO2, exhibiting chatoyancy. The blue variety is often called Hawk's Eye.
Metamorphic Rock (formed from a fibrous crocidolite asbestos)
Almandine Garnet
Almandine, Fe3Al2(SiO4)3
mineral
Biotite (Mica)
K(Mg,Fe)3AlSi3O10(OH,F)2
mineral
Dyed Agate
Silicon Dioxide with artificial pigment (SiO2)
sedimentary
Dragon Blood Jasper
Epidote with Pietersite or Red Jasper (Silicate mineral)
metamorphic
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Feldspar (Orthoclase/Potassium Feldspar)
KAlSi3O8 (Potassium Aluminum Silicate)
mineral
Bornite (Peacock Ore)
Bornite (Cu5FeS4)
mineral
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Muscovite Mica
Muscovite (KAl2(AlSi3O10)(F,OH)2)
mineral
Green Aventurine
Aventurine Quartz (SiO2 with Fuchsite inclusions)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Banded Agate (White Agate)
Chalcedony (Silicon Dioxide, SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Raw Emerald
Beryl (Be3Al2Si6O18 with Chromium/Vanadium impurities)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Black Tourmaline
Schorl (Sodium Iron Aluminum Borosilicate Hydroxide)
mineral
Aquamarine (Beryl)
Beryllium aluminum silicate (Be3Al2Si6O18)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Potassium Feldspar (Orthoclase)
KAlSi3O8
mineral
Aventurine
Silicon Dioxide (SiO2) with inclusions
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Aquamarine
Beryl (Be3Al2Si6O18)
mineral
Banded Agate
Silicon Dioxide (SiO2)
mineral
Quartz with Muscovite Mica
SiO2 with KAl2(AlSi3O10)(OH)2
mineral group
Ruby in Matrix
Corundum (Al2O3)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Amazonite
K(AlSi3O8) - Potassium Aluminum Silicate
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Sodalite
Sodalite Na8(Al6Si6O24)Cl2
mineral
Aventurine
Silicon Dioxide (SiO2) with inclusions of Fuchsite
mineral
Potassium Feldspar
Orthoclase (KAlSi3O8)
mineral
Blue Dumortierite Quartz
AlAl6BSi3O18 (Dumortierite) within SiO2 (Quartz)
mineral
Orthoclase Feldspar
KAlSi3O8 (Potassium aluminum silicate)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Biotite Mica
K(Mg, Fe)3AlSi3O10(F, OH)2
mineral