Citrine Quartz
Silicon Dioxide (SiO2)
Category
Browse metamorphic specimens identified by the Rock Identifier community.
Citrine Quartz
Silicon Dioxide (SiO2)
Banded Agate
Cryptocrystalline Quartz (SiO2)
Yellow Quartz
Silicon Dioxide (SiO2)
Raw Emerald in Matrix
Beryl (Be3Al2Si6O18) with Chromium/Vanadium impurities
Bornite
Cu5FeS4 (Copper Iron Sulfide)
Clear Quartz
Silicon Dioxide (SiO2)
Citrine Quartz
SiO2 (Silicon Dioxide with Iron impurities)
Agate
Silicon dioxide (SiO2)
Emerald in Matrix
Beryl (Be3Al2Si6O18)
Mixed Mineral and Fossil Collection
Multi-specimen assemblage (SiO2, CaCO3, FeS2, etc.)
Bornite
Copper Iron Sulfide (Cu5FeS4)
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Labradorite
Plagioclase Feldspar ((Ca, Na)(Al, Si)4O8)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Quartz (Milky/Crystalline variety)
Silicon Dioxide (SiO2)
Serpentinite
Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4
Citrine
Silicon Dioxide (SiO2)
Aquamarine
Beryllium aluminum silicate (Be3Al2Si6O18)
Green Aventurine
Silicon Dioxide (SiO2) with Fuchsite inclusions
Banded Agate
Cryptocrystalline Quartz (SiO2)
Serpentine
Serpentine group ((Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4)
Quartz Mineral
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz (Citrine or Iron-Stained)
Silicon Dioxide (SiO2)
Limonite (Iron Ore)
FeO(OH)·nH2O (Hydrous ferric oxide)
Dragon Blood Jasper
Epidote with Red Jasper (SiO2 + Ca2(Al,Fe)3(SiO4)3(OH))
Black Tourmaline
Schorl (Sodium Iron Aluminum Borosilicate Hydroxide)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Unakite
Unakite (Epidotized Granite)
Bornite (Peacock Ore)
Bornite (Cu5FeS4)
Smoky Quartz
Silicon Dioxide (SiO2)
Smoky Quartz
Smoky Quartz (SiO2)
Citrine
Silicon Dioxide (SiO2)
Fairy Stone (Staurolite)
Staurolite (Fe2+2Al9Si4O22(OH)2)
Gemstones (Emerald and Yellow Topaz or Citrine)
Beryl (Be3Al2Si6O18) and Quartz (SiO2) or Topaz (Al2SiO4(F,OH)2)
Serpentine
Serpentinite (Mg, Fe, Ni)3Si2O5(OH)4
Aquamarine (Beryl)
Beryllium aluminum silicate (Be3Al2Si6O18)
Assorted Semi-Precious Gemstone Crosses
Quartz, Silicates, Carbonates (various)
Tiger's Eye (Mineral Collection)
Tiger's Eye (SiO2 with crocidolite inclusions)
Hematite
Hematite (Α-Fe2O3)
Quartz
Silicon Dioxide (SiO2)