Rock Identifier

Category

Synthetic (Not A Rock Or Mineral)

Browse synthetic (not a rock or mineral) specimens identified by the Rock Identifier community.

Learn about Synthetic (Not A Rock Or Mineral) in the encyclopedia

Rock Salt

Calc-Silicate Rock

Calc-Silicate Rock

Halite

Dolomite

Gypsum

Coal

Claystone

Serpentinite

Carbonatite

Skarn

Schist

Emerald in Matrix

Emerald in Matrix

Smoky Quartz (SiO2 (Silicon Dioxide)) — mineral

Smoky Quartz

SiO2 (Silicon Dioxide)

Assorted Semi-Precious Gemstone Crosses (Quartz, Silicates, Carbonates (various)) — mineral

Assorted Semi-Precious Gemstone Crosses

Quartz, Silicates, Carbonates (various)

Ammolite (Biogenic gemstone (Aragonite, CaCO3)) — mineral

Ammolite

Biogenic gemstone (Aragonite, CaCO3)

Grass (Organic Matter/Soil) (Poaceae (family of monocotyledonous flowering plants)) — Organic Materia (Not a rock or mineral)

Grass (Organic Matter/Soil)

Poaceae (family of monocotyledonous flowering plants)

Organic Materia (Not a rock or mineral)

Note: Item is not a geological specimen (n/a) — none

Note: Item is not a geological specimen

n/a

Ruby (Corundum (Al2O3 with Chromium traces)) — mineral

Ruby

Corundum (Al2O3 with Chromium traces)

Ruby (Pink to Red Corundum) (Al2O3 (Corundum with Chromium impurities)) — mineral

Ruby (Pink to Red Corundum)

Al2O3 (Corundum with Chromium impurities)

Tumbled Clear Quartz and Citrine Points (Silicon Dioxide (SiO2)) — mineral

Tumbled Clear Quartz and Citrine Points

Silicon Dioxide (SiO2)

Blue Sapphire (Corundum (Al2O3)) — mineral

Blue Sapphire

Corundum (Al2O3)

Granite, possibly granodiorite (Coarse-grained felsic plutonic rock; chiefly quartz (SiO₂), potassium feldspar and plagioclase feldspar, with biotite and/or hornblende) — igneous

Granite, possibly granodiorite

Coarse-grained felsic plutonic rock; chiefly quartz (SiO₂), potassium feldspar and plagioclase feldspar, with biotite and/or hornblende

Green Obsidian Sphere (man-made glass) (Vitreous Silica with Chromium/Iron additives) — mineralogical simulant

Green Obsidian Sphere (man-made glass)

Vitreous Silica with Chromium/Iron additives

mineralogical simulant

Corundum (variety Ruby/Sapphire) (Aluminum Oxide (Al2O3)) — mineral

Corundum (variety Ruby/Sapphire)

Aluminum Oxide (Al2O3)

Anthracite Coal (Anthracite (a variety of coal, predominantly carbon)) — Sedimentary Rock (Metamorphosed)

Anthracite Coal

Anthracite (a variety of coal, predominantly carbon)

Sedimentary Rock (Metamorphosed)

Opalite (Synthetic Opalite Glass (Silicon Dioxide)) — mineraloid (man-made)

Opalite

Synthetic Opalite Glass (Silicon Dioxide)

mineraloid (man-made)

Sapphire (likely blue synthetic sapphire or blue glass in a ring) (Corundum (Al₂O₃), specifically the blue variety due to trace amounts of iron and titanium impurities. If synthetic, it would still be Al₂O₃.) — Mineral

Sapphire (likely blue synthetic sapphire or blue glass in a ring)

Corundum (Al₂O₃), specifically the blue variety due to trace amounts of iron and titanium impurities. If synthetic, it would still be Al₂O₃.

Magnetite or Hematite-rich Ore (Magnetite (Fe3O4) or Hematite (Fe2O3)) — mineral

Magnetite or Hematite-rich Ore

Magnetite (Fe3O4) or Hematite (Fe2O3)

Malachite (Cu2CO3(OH)2 (Copper Hydroxide Carbonate)) — mineral

Malachite

Cu2CO3(OH)2 (Copper Hydroxide Carbonate)

Ruby (Corundum (Aluminum Oxide with Chromium), Al2O3:Cr) — mineral

Ruby

Corundum (Aluminum Oxide with Chromium), Al2O3:Cr

Diamond (in jewelry) (Cubic Carbon (C)) — mineral

Diamond (in jewelry)

Cubic Carbon (C)

Opalite (Man-made opalescent glass (SiO2 + metal oxides)) — mineral (synthetic)

Opalite

Man-made opalescent glass (SiO2 + metal oxides)

mineral (synthetic)

Goldstone (Aventurine glass) — mineral (man-made glass)

Goldstone

Aventurine glass

mineral (man-made glass)

Diamond (Heart Cut) (Carbon (C)) — gemstone

Diamond (Heart Cut)

Carbon (C)

Emerald (Beryl (Be3Al2(SiO3)6) with Chromium/Vanadium impurities) — mineral

Emerald

Beryl (Be3Al2(SiO3)6) with Chromium/Vanadium impurities

Cubic Zirconia (Zirconium Dioxide (ZrO2)) — mineral

Cubic Zirconia

Zirconium Dioxide (ZrO2)

Moonstone (bead form) (Potassium Aluminum Silicate (KAlSi3O8) - a variety of Orthoclase Feldspar) — Mineral

Moonstone (bead form)

Potassium Aluminum Silicate (KAlSi3O8) - a variety of Orthoclase Feldspar

Ametrine (Silicon Dioxide (SiO2) with iron impurities) — mineral

Ametrine

Silicon Dioxide (SiO2) with iron impurities

ABS Plastic (Acrylonitrile Butadiene Styrene) ((C8H8)x·(C4H6)y·(C3H3N)z) — Synthetic Polymer (Synthetic Material)

ABS Plastic (Acrylonitrile Butadiene Styrene)

(C8H8)x·(C4H6)y·(C3H3N)z

Synthetic Polymer (Synthetic Material)

Smoky Quartz (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz

Silicon Dioxide (SiO2)

Ruby (Rough/Raw) (Corundum (Al2O3:Cr)) — mineral

Ruby (Rough/Raw)

Corundum (Al2O3:Cr)

Lapis Lazuli (in Matrix) (Na8[Al6Si6O24]S2 (Lazurite as the primary component)) — metamorphic

Lapis Lazuli (in Matrix)

Na8[Al6Si6O24]S2 (Lazurite as the primary component)

Emerald (Beryl (Be3Al2(SiO3)6) with Chromium/Vanadium impurities) — gemstone

Emerald

Beryl (Be3Al2(SiO3)6) with Chromium/Vanadium impurities

Cubic Zirconia (Faceted) (Zirconium Dioxide (ZrO2)) — mineral

Cubic Zirconia (Faceted)

Zirconium Dioxide (ZrO2)

Staurolite (Cross Stone) (Staurolite (Fe2+2Al9Si4O23(OH))) — metamorphic

Staurolite (Cross Stone)

Staurolite (Fe2+2Al9Si4O23(OH))

Cubic Zirconia (Zirconium Dioxide (ZrO2)) — mineral

Cubic Zirconia

Zirconium Dioxide (ZrO2)

Concrete Paver (Artificial Cementitious Rock) (Hydrated Portland Cement Aggregate) — Sedimentary (Synthetic)

Concrete Paver (Artificial Cementitious Rock)

Hydrated Portland Cement Aggregate

Sedimentary (Synthetic)

Strawberry Quartz (Silicon Dioxide with Hematite inclusions (SiO2 + Fe2O3)) — mineral

Strawberry Quartz

Silicon Dioxide with Hematite inclusions (SiO2 + Fe2O3)

Chrysocolla in Malachite (Cu2CO3(OH)2 (Malachite) / Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O (Chrysocolla)) — mineral

Chrysocolla in Malachite

Cu2CO3(OH)2 (Malachite) / Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O (Chrysocolla)

Hematite (Iron(III) oxide (Fe2O3)) — mineral

Hematite

Iron(III) oxide (Fe2O3)

Tumbled amethyst (Quartz, crystalline silicon dioxide (SiO₂), purple variety colored mainly by iron impurities and irradiation) — gemstone

Tumbled amethyst

Quartz, crystalline silicon dioxide (SiO₂), purple variety colored mainly by iron impurities and irradiation

Ruby (Corundum (Al2O3 with Chromium traces)) — mineral

Ruby

Corundum (Al2O3 with Chromium traces)

Agate (Polished Sphere) (Silicon Dioxide (SiO2)) — mineral

Agate (Polished Sphere)

Silicon Dioxide (SiO2)

Lapis Lazuli (Lazurite-rich metamorphic rock ((Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2)) — metamorphic

Lapis Lazuli

Lazurite-rich metamorphic rock ((Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2)