Asphalt Concrete (Bituminous Concrete)
Bituminous aggregate
sedimentary
Category
Mineral (Man Enhanced)
Browse mineral (man enhanced) specimens identified by the Rock Identifier community.
Learn about Mineral (Man Enhanced) in the encyclopedia
View all →
Pink quartz bead strand (likely rose quartz or pink dyed quartz)
Quartz, silicon dioxide (SiO₂); probable rose quartz variety, possibly dyed or treated quartz/chalcedony
mineral
Yellow Topaz (Imperial/Golden Topaz)
Topaz - Al2SiO4(F,OH)2
gemstone
Chakra Stone (Composite / Man-made Bonded Gemstones)
Composite of Quartz, Lapis Lazuli, Aventurine, Tiger's Eye, and Jasper (SiO2, (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2, etc.)
Combined Minerals / Metaphysical stones
Concretion (Sandstone)
Carbonate-cemented Sandstone Concretion
sedimentary
Moissanite
Silicon Carbide (SiC)
mineral
Diamond
Carbon (C)
mineral
Opalite (a synthetic glass)
Silicon Dioxide (SiO2) with various additives; not a true mineral but a man-made gem simulant
Mineral Simulant (Synthetic Glass)
Quartz Druze (on Matrix)
Silicon Dioxide (SiO2)
mineral
Dyed Agate
Cryptocrystalline variety of Silica (SiO2)
gemstone
Blue Agate (Dyed)
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
mineral
Dyed Blue Agate Slice
Chalcedony (Silicon Dioxide, SiO2)
mineral
Rhodolite Garnet
Magnesium Aluminum Silicate; formula: (Mg,Fe)3Al2(SiO4)3
mineral
Goldstone
Aventurine Glass (Man-made)
mineral
Asphalt Concrete
Bituminous Concrete (Anthropic Rock)
sedimentary
Diamond (Cut jewelry specimen)
Diamond (pure Carbon, C)
mineral
African Turquoise
African Turquoise (a trade name for Jasper, a variety of Chalcedony: SiO2)
sedimentary
Moonstone
Adularia (orthoclase) or Albite (plagioclase), a feldspar mineral (KAlSi3O8 or NaAlSi3O8 respectively, often a mixture)
mineral
Chalcopyrite (Peacock Ore)
Chalcopyrite (CuFeS2) with Bornite (Cu5FeS4) oxidation
mineral
Likely polished dark pebble
Indeterminate; possibly basalt, black jasper, or a dark sulfide-rich stone
mineral
Dyed Agate
SiO2 (Silicon Dioxide)
mineral
Carborundum (Silicon Carbide)
Silicon Carbide (SiC)
mineral
Polished/tumbled iron-rich jasper (likely brecciated jasper)
Jasper, microcrystalline quartz (SiO₂) colored chiefly by iron oxides/hydroxides
metamorphic
Dyed Agate
Silicon Dioxide (SiO2) with synthetic dyes
mineral
Diamond
Carbon (C)
mineral
Diamond
Native Carbon (C)
mineral
Diamond (Colorless/White)
Carbon (C)
mineral
Blue Slag Glass
Anthropogenic Amorphous Silicon Dioxide
mineral
Aventurine Quartz
Silicon Dioxide (SiO2) with Fuchsite inclusions
metamorphic
Costume Jewelry with Synthetic Gemstones
Synthetic Cubic Zirconia and Glass (SiO2 / ZrO2)
mineral
Titanium Aura Quartz
Titanium bonded Silicon Dioxide (SiO2 + Ti)
mineral
Zebra Marble
Metamorphosed Alabaster/Limestone (CaCO3)
metamorphic
Sea Glass
Man-made vitreous material
mineral
Sodalite
Na8(Al6Si6O24)Cl2
mineral
Carnelian Agate/Jasper blend
Silicon Dioxide (SiO2) - variety of Chalcedony
mineral
Rough Sapphire (Corundum)
Corundum (Al2O3)
mineral
Blue-dyed Quartz Druzy
Silicon Dioxide (SiO2) with artificial pigment
mineral
Dyed Agate Slice
Silicon Dioxide (SiO2)
mineral
Concretion with Geode Cavity
Ferruginous Sandstone Concretion with Quartz Center
sedimentary
Titanium Aura Quartz
Silicon Dioxide (SiO2) coated with Titanium and Niobium
mineral
Diamond
Carbon (C)
mineral
Diamond (in a jewelry setting)
Carbon (C)
mineral