Iron Slag
Iron/Steel Slag (Ferrosilicate Glass)
industrial byproduct (anthropogenic material)
Category
Synthetic (Man Made Material Mimicking Natural Stone)
Browse synthetic (man made material mimicking natural stone) specimens identified by the Rock Identifier community.
Diamond
Carbon (C)
mineral
Cubic Zirconia (CZ)
Cubic Zirconium Dioxide (ZrO2)
mineral (synthetic)
Granite
Phaneritic Igneous Rock (composed mostly of Quartz, Alkali Feldspar, and Plagioclase)
igneous
Quartz (Engineered Quartz Surface)
Silicon Dioxide (SiO2) based composite
mineral (man-made composite)
Labradorite
Labradorite ((Ca, Na)(Al, Si)4O8)
mineral
Man-made Slag (Industrial Byproduct)
Anthropogenic Glassy Residue
not a natural rock
Sandstone (Pebble)
Sandstone (arenite, arkose, wacke depending on composition)
sedimentary
Green Slag Glass
Cullet (Amorphous Silicon Dioxide with impurities)
Man-made rock-like material
Asphalt
Asphalt concrete (engineered material, not a naturally occurring rock/mineral in this form)
Sedimentary
Faceted Glass (Costume Jewelry)
Amorphous Silicon Dioxide with colorants (Glass)
Synthetic/Man-made Material
Wood Beads (Palmwood/Ebony)
Various species for wood, but often refers to woods like Palmwood (e.g., Borassus flabellifer) or Ebony (Diospyros spp.) for their distinctive grain and hardness.
Organic Gem Material (Botanical)
Synthetic Costume Glove (Paws)
Polyethylene terephthalate (Polyester) & Polyurethane blend
Non-geological / Man-made textile
Sandstone (specifically Arkose or Quartz Arenite)
Arenite (primarily SiO2 with possible Feldspar)
sedimentary
Ruby (Corundum)
Corundum (Aluminum Oxide with Chromium), Al2O3:Cr
mineral
Cubic Zirconia
Zirconium dioxide (ZrO2)
mineral
Green Glass Cullet / Recycled Glass
Amorphous Silicon Dioxide (SiO2) with various metal oxides
Man-made Glass (Not a natural rock or mineral)
Diamond (in jewelry setting)
Adamantine Carbon (C)
mineral
Sandstone
Clastic sedimentary rock (Quartz arenite/Arkose)
sedimentary
Man-made Blank Ammunition (Brass)
CuZn (Cartridge Brass - roughly 70% Copper, 30% Zinc)
Anticrystalline / Synthetic Alloy
Emerald
Beryl (Be3Al2(SiO3)6) with trace Chromium/Vanadium
mineral
Cubic Zirconia (CZ) Jewelry
Zirconium dioxide (ZrO2)
mineral (synthetic)
Diamond in Kimberlite
Diamond (C in Kimberlite)
igneous
Rough Diamond
Native Carbon (C)
mineral
Diamond (Colorless/White)
Carbon (C)
mineral
Glass Nugget (Tumbled Glass)
Amorphous Silicon Dioxide (SiO2) with additives
mineraloid (man-made)
Diamond (as set in a metal alloy ring)
Diamond (Pure Carbon, C)
mineral
Natural or Cultured Pearl
Calcium Carbonate (Aragonite and Conchiolin), CaCO3
Mineral (Organic)
Staurolite (Cross Stone)
Staurolite (Fe2+2Al9Si4O23(OH))
metamorphic
Dyed Quartzite
Metamorphosed Quartz (SiO2) with synthetic pigment
metamorphic
Crushed Limestone
Calcium Carbonate (CaCO3)
Sedimentary
Diamond Druzy (Crystalline Diamond)
Carbon (C)
mineral
Chert (Chert / Flint Variety)
Microcrystalline / Cryptocrystalline Quartz (SiO2)
sedimentary
Black Tourmaline
Schorl (Na(Fe²⁺)₃Al₆(OH)₄(BO₃)₃Si₆O₁₈)
Mineral
Banded Calcite or Travertine
Calcium Carbonate (CaCO3)
Sedimentary
Titanium Coated Aura Quartz (Apple Aura Quartz)
Silicon Dioxide (SiO2) with Metallic Vapor Deposition Coating
Mineral (Man-modified)
Cubic Zirconia (CZ)
Zirconium dioxide (ZrO2)
mineral
Slag
Ferrous Slag (Siliceous industrial waste)
Anthropogenic (Man-made industrial byproduct)
Pink Dyed Agate
Silicon Dioxide (SiO2) with synthetic pigment
mineral
Hematite
Iron(III) oxide (Fe2O3)
mineral
Chert (often called Flint in archaeological contexts)
Silicon Dioxide (SiO2)
sedimentary
Blue Sapphire
Corundum (Al2O3) with traces of Iron and Titanium
mineral