Serpentine
Antigorite/Lizardite (Mg, Fe)3Si2O5(OH)4
Category
Browse sedimentary or metamorphic specimens identified by the Rock Identifier community.
Serpentine
Antigorite/Lizardite (Mg, Fe)3Si2O5(OH)4
Raw Emerald in Matrix
Beryl (Be3Al2Si6O18) with Chromium/Vanadium impurities
Yellow Quartz
Silicon Dioxide (SiO2)
Bornite
Cu5FeS4 (Copper Iron Sulfide)
Banded Agate
Cryptocrystalline Quartz (SiO2)
Citrine Quartz
Silicon Dioxide (SiO2)
Citrine Quartz
SiO2 (Silicon Dioxide with Iron impurities)
Quartz Pebble
Silicon Dioxide (SiO2)
Agate
Silicon dioxide (SiO2)
Emerald in Matrix
Beryl (Be3Al2Si6O18)
Bornite
Copper Iron Sulfide (Cu5FeS4)
Aquamarine
Beryllium aluminum silicate (Be3Al2Si6O18)
Green Aventurine
Silicon Dioxide (SiO2) with Fuchsite inclusions
Serpentinite
Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4
Citrine
Silicon Dioxide (SiO2)
Labradorite
Plagioclase Feldspar ((Ca, Na)(Al, Si)4O8)
Unakite
Unakite (Epidotized Granite)
Banded Agate
Cryptocrystalline Quartz (SiO2)
Serpentine
Serpentine group ((Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4)
Bornite (Peacock Ore)
Bornite (Cu5FeS4)
Smoky Quartz
Silicon Dioxide (SiO2)
Smoky Quartz
Smoky Quartz (SiO2)
Black Tourmaline
Schorl (Sodium Iron Aluminum Borosilicate Hydroxide)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Quartz
Silicon Dioxide (SiO2)
Fairy Stone (Staurolite)
Staurolite (Fe2+2Al9Si4O22(OH)2)
Quartz (Citrine or Iron-Stained)
Silicon Dioxide (SiO2)
Dragon Blood Jasper
Epidote with Red Jasper (SiO2 + Ca2(Al,Fe)3(SiO4)3(OH))
Citrine
Silicon Dioxide (SiO2)
Gemstones (Emerald and Yellow Topaz or Citrine)
Beryl (Be3Al2Si6O18) and Quartz (SiO2) or Topaz (Al2SiO4(F,OH)2)
Tiger's Eye (Mineral Collection)
Tiger's Eye (SiO2 with crocidolite inclusions)
Serpentine
Serpentinite (Mg, Fe, Ni)3Si2O5(OH)4
Aquamarine (Beryl)
Beryllium aluminum silicate (Be3Al2Si6O18)
Dragon Blood Jasper
SiO2
Quartz (Amethyst variety)
Silicon Dioxide (SiO2)
Green Aventurine
Silicon dioxide with Fuscite inclusions (SiO2 + K(Al,Cr)2AlSi3O10(OH)2)
Chalcopyrite (Peacock Ore)
Chalcopyrite (CuFeS2)
Amazonite
K(AlSi3O8)
Assorted Semi-Precious Gemstone Crosses
Quartz, Silicates, Carbonates (various)
Sunstone
(Ca,Na)((Al,Si)2Si2)O8 (Plagioclase Feldspar)
Jade (Jadeite/Nephrite)
NaAlSi2O6 (Jadeite) / Ca2(Mg,Fe)5Si8O22(OH)2 (Nephrite)
Citrine
Silicon Dioxide (SiO2)