Concrete Paver (Artificial Cementitious Rock)
Hydrated Portland Cement Aggregate
Sedimentary (Synthetic)
Category
Sedimentary (Synthetic)
Browse sedimentary (synthetic) specimens identified by the Rock Identifier community.
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Faceted Gemstone
Unknown transparent mineral, possibly Diamond (C), Cubic Zirconia (ZrO2), Quartz (SiO2), or Glass
gemstone
Clear Quartz (Faceted) or Cubic Zirconia / Glass imitation
SiO2 (if Quartz), ZrO2 (if Cubic Zirconia)
mineral
Faceted Clear Quartz or Diamond Simulant
Silicon Dioxide (SiO2) if Quartz or Cubic Zirconia (ZrO2) if Synthetic
gemstone
Cubic Zirconia (as used in jewelry setting)
Zirconium dioxide (ZrO2)
mineral
Asphalt / Road Aggregate
Bituminous Conglomerate (synthetic)
sedimentary
Amber (and Cubic Zirconia)
Fossilized Tree Resin
mineraloid
Painted Rock
Weathered Sedimentary Rock (Painted)
sedimentary
Painted River Rock
Painted Quartzite or Smooth Siltstone
sedimentary
The user-provided image does not contain a rock or mineral specimen
N/A
Pink faceted gemstone, likely synthetic ruby or pink sapphire
Corundum (Al₂O₃), possibly chromium-colored ruby; synthetic origin likely
gemstone
Clear Quartz crystals on a Matrix base (Geode fragment)
Silicon Dioxide (SiO2)
mineral
Cubic Zirconia
Zirconium dioxide (ZrO2)
mineral
Dyed Agate Slice
Silicon Dioxide (SiO2) with artificial dyes
mineral
Man-made Synthetic Material (Costume Faux Fur)
Synthetic Polymer (Polyester/Acrylic)
not a rock
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Ruby (in costume jewelry context)
Corundum (Al2O3) with Chromium impurities
mineral
Opalite
Synthetic Glass (Amorphized Silicon Dioxide)
mineraloid
Opalite
Synthetic glass / Opalized glass
gemstone
Cubic Zirconia (simulant) or Diamond
ZrO2 (Cubic Zirconia) or C (Diamond)
gemstone
Opalite (Synthetic Moonstone/Sea Opal)
Silicon Dioxide (SiO2) glass with metallic inclusions
Synthetic/Man-made Glass
Opalite
Synthetic Glass (Simulated Opal)
gemstone
Sedimentary Rock with Crafts (Pet Rock)
Sedimentary rock decorated with synthetic materials
sedimentary
Painted River Rock
Polished fluvial clast with acrylic/synthetic pigment coating
Sedimentary or Metamorphic (base substrate)
Coal (Bituminous or Anthracite)
Carbonaceous Sedimentary Rock
sedimentary
Hematite
Iron(III) oxide, Fe2O3
mineral
Emerald in Matrix
Beryl (Be3Al2Si6O18) with Chromium/Vanadium impurities
mineral
Clear quartz crystal sphere
Quartz (silicon dioxide, SiO₂)
mineral
Limonite (Iron Ore)
Limonite; FeO(OH)·nH2O
mineral
Quartz (Druzy / Goldstone Gemstone Cabochon)
Silicon Dioxide (SiO2)
gemstone
Hematite bead bracelet
Hematite (Fe₂O₃), likely polished or magnetically enhanced beads
mineral
Emerald
Beryl (Be3Al2(SiO3)6) colored by Chromium and/or Vanadium
mineral
Carnelian
Carnelian (Cryptocrystalline Quartz, SiO2)
mineral
Hematite
Iron(III) oxide (Fe2O3)
mineral
Diamond (or Cubic Zirconia)
Cubic Carbon (C) or Zirconium Dioxide (ZrO2)
gemstone
Opalite
Man-made opalescent glass
gemstone
Faceted Clear Gemstone (Likely Quartz or Cubic Zirconia)
Silicon Dioxide (SiO2) or Zirconium Dioxide (ZrO2)
gemstone
Pink Dyed Agate
Silicon Dioxide (SiO2) with synthetic pigment
mineral
Faceted Quartz or Cubic Zirconia
SiO2 (Quartz) or ZrO2 (Cubic Zirconia)
gemstone
Dyed Agate
Chalcedony (SiO2)
mineral
Polished hematite bead necklace
Hematite (iron(III) oxide, Fe₂O₃), likely polished beads
mineral
Coal (Anthracite/Bituminous)
Carbo fossilium (primarily Carbon)
sedimentary