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

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

Corundum (variety Ruby/Sapphire)

Aluminum Oxide (Al2O3)

Bismuth crystal (Bismuth (Bi), synthetic laboratory-grown crystal) — mineral

Bismuth crystal

Bismuth (Bi), synthetic laboratory-grown crystal

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)

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)

Cubic Zirconia (Zirconium Dioxide (ZrO2)) — mineral

Cubic Zirconia

Zirconium Dioxide (ZrO2)

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

Dyed turquoise bead (Turquoise, CuAl₆(PO₄)₄(OH)₈·4H₂O; likely stabilized or reconstructed turquoise) — mineral

Dyed turquoise bead

Turquoise, CuAl₆(PO₄)₄(OH)₈·4H₂O; likely stabilized or reconstructed turquoise

Amethyst jewelry centerpiece (Amethyst, purple quartz (SiO₂), likely set with colorless diamonds or other gems) — gemstone

Amethyst jewelry centerpiece

Amethyst, purple quartz (SiO₂), likely set with colorless diamonds or other gems

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

Ruby (Corundum)

Aluminum oxide (Al2O3) with Chromium traces

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

Hematite

Iron(III) oxide (Fe2O3)

Emerald (Beryl (Be3Al2Si6O18 with Chromium/Vanadium impurities)) — gemstone

Emerald

Beryl (Be3Al2Si6O18 with Chromium/Vanadium impurities)

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)

Colorless faceted gemstone, likely cubic zirconia (Cubic zirconia (synthetic ZrO₂), possibly glass or quartz) — gemstone

Colorless faceted gemstone, likely cubic zirconia

Cubic zirconia (synthetic ZrO₂), possibly glass or quartz

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

Assorted Semi-Precious Gemstone Crosses

Quartz, Silicates, Carbonates (various)

Smoky Quartz (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz

Silicon Dioxide (SiO2)

Smoky Quartz (Silicon dioxide with aluminum impurities (SiO2)) — mineral

Smoky Quartz

Silicon dioxide with aluminum impurities (SiO2)

Tumbled labradorite beads (Labradorite, a calcium-rich plagioclase feldspar (approximately (Ca,Na)(Al,Si)₄O₈)) — mineral

Tumbled labradorite beads

Labradorite, a calcium-rich plagioclase feldspar (approximately (Ca,Na)(Al,Si)₄O₈)

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

Ametrine

Silicon Dioxide (SiO2) with iron impurities

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

Emerald

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

K2 Stone (or K2 Jasper) (Azurite-in-Granite (Potassium Feldspar, Quartz, Plagioclase, Muscovite, and Azurite)) — igneous

K2 Stone (or K2 Jasper)

Azurite-in-Granite (Potassium Feldspar, Quartz, Plagioclase, Muscovite, and Azurite)

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

Cubic Zirconia (Faceted)

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)

Goldstone (Avventurina (Man-made Glass with Copper inclusions)) — mineral

Goldstone

Avventurina (Man-made Glass with Copper inclusions)

Silicon Carbide (Carborundum) (Silicon Carbide (SiC)) — mineral

Silicon Carbide (Carborundum)

Silicon Carbide (SiC)

Opalite (Man-made Synthetic Glass (Silicon Dioxide with metal additives)) — mineral

Opalite

Man-made Synthetic Glass (Silicon Dioxide with metal additives)

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

Staurolite (Cross Stone)

Staurolite (Fe2+2Al9Si4O23(OH))

Larimar (Pectolite (NaCa2Si3O8(OH))) — Mineral variant / Gemstone

Larimar

Pectolite (NaCa2Si3O8(OH))

Mineral variant / Gemstone

Smoky Quartz (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz

Silicon Dioxide (SiO2)

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

Ruby (Rough/Raw)

Corundum (Al2O3:Cr)

Dalmatian Stone (Peralkaline Quartz-Feldspar Rock with Arfvedsonite) — igneous

Dalmatian Stone

Peralkaline Quartz-Feldspar Rock with Arfvedsonite

Blue resin-coated or dyed stone cabochon (Likely dyed chalcedony/agate (microcrystalline quartz, SiO₂); exact material is uncertain from the image) — mineral

Blue resin-coated or dyed stone cabochon

Likely dyed chalcedony/agate (microcrystalline quartz, SiO₂); exact material is uncertain from the image

Black spinel bead bracelet (Spinel (magnesium aluminate), MgAl₂O₄) — gemstone

Black spinel bead bracelet

Spinel (magnesium aluminate), MgAl₂O₄

Banded Black Onyx (Chalcedony) (Silicon Dioxide (SiO₂)) — mineral

Banded Black Onyx (Chalcedony)

Silicon Dioxide (SiO₂)

Cubic Zirconia (Simulated Diamond) (Zirconium Dioxide (ZrO2)) — mineral (synthetic)

Cubic Zirconia (Simulated Diamond)

Zirconium Dioxide (ZrO2)

mineral (synthetic)

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

Ruby

Corundum (Al2O3 with Chromium 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)

Colorless faceted gemstone (most likely synthetic cubic zirconia) (Cubic zirconia, ZrO₂ (likely synthetic); natural alternatives include quartz or diamond) — gemstone

Colorless faceted gemstone (most likely synthetic cubic zirconia)

Cubic zirconia, ZrO₂ (likely synthetic); natural alternatives include quartz or diamond

Blue glassy fragment among beach gravel (Likely cobalt-blue man-made glass; not a natural mineral specimen) — mineral

Blue glassy fragment among beach gravel

Likely cobalt-blue man-made glass; not a natural mineral specimen

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 (varieties of Corundum) (Aluminum oxide (Al2O3) with Chromium traces) — mineral

Ruby (varieties of Corundum)

Aluminum oxide (Al2O3) with Chromium traces

Likely weathered quartz-rich rock or mineral fragment (Indeterminate from image; possibly quartz-bearing pegmatite or iron-stained quartz) — mineral

Likely weathered quartz-rich rock or mineral fragment

Indeterminate from image; possibly quartz-bearing pegmatite or iron-stained quartz