Rock Identifier

Category

Synthetic Glass

Browse synthetic glass specimens identified by the Rock Identifier community.

Learn about Synthetic Glass in the encyclopedia

Opalite

Yttrium Aluminum Garnet

Yttrium Aluminum Garnet

Zincite

Sideromelane

Lead Feldspar

Black Obsidian

Maskelynite

Tachylite

Obsidian

Hyalite Opal

Perlite

Macusanite

Ametrine (Ametrine (SiO2 - Silicon Dioxide with trace amounts of Iron)) — mineral

Ametrine

Ametrine (SiO2 - Silicon Dioxide with trace amounts of Iron)

Fursuit (Synthetic Fur Specimen) (Canis anthropomorphus syntheticus) — Anthropomorphic Textile Construct

Fursuit (Synthetic Fur Specimen)

Canis anthropomorphus syntheticus

Anthropomorphic Textile Construct

Amber (Succinite (specifically for Baltic amber; general formula C10H16O)) — Mineraloid (Organic)

Amber

Succinite (specifically for Baltic amber; general formula C10H16O)

Mineraloid (Organic)

Diamond jewelry pendant or cluster (Diamond, crystalline carbon (C), likely mounted in metal) — gemstone

Diamond jewelry pendant or cluster

Diamond, crystalline carbon (C), likely mounted in metal

Faceted red gemstone, likely garnet (Garnet group; probably almandine-pyrope solid solution, (Fe,Mg)₃Al₂(SiO₄)₃) — gemstone

Faceted red gemstone, likely garnet

Garnet group; probably almandine-pyrope solid solution, (Fe,Mg)₃Al₂(SiO₄)₃

Blue topaz pendant (Topaz (Al₂SiO₄(F,OH)₂), likely treated blue topaz) — gemstone

Blue topaz pendant

Topaz (Al₂SiO₄(F,OH)₂), likely treated blue topaz

White Opal (Hydrated Amorphous Silica (SiO2·nH2O)) — Mineraloid

White Opal

Hydrated Amorphous Silica (SiO2·nH2O)

Crystal Quartz Beads (likely Clear Quartz) (Quartz (SiO₂)) — Mineral

Crystal Quartz Beads (likely Clear Quartz)

Quartz (SiO₂)

Chalcanthite (Copper(II) sulfate pentahydrate (CuSO4·5H2O)) — mineral

Chalcanthite

Copper(II) sulfate pentahydrate (CuSO4·5H2O)

Painted River Rock (Artificially Coated Sedimentary Rock) — sedimentary

Painted River Rock

Artificially Coated Sedimentary Rock

Zircon (Zirconium Silicate (ZrSiO₄)) — mineral

Zircon

Zirconium Silicate (ZrSiO₄)

Sapphire (Corundum (Al2O3)) — mineral

Sapphire

Corundum (Al2O3)

Diamond (Carbon (C)) — mineral

Diamond

Carbon (C)

Tumbled dalmatian jasper (likely) (Microcrystalline quartz/chalcedony with black amphibole or aegirine inclusions; commonly sold as “dalmatian jasper”) — metamorphic

Tumbled dalmatian jasper (likely)

Microcrystalline quartz/chalcedony with black amphibole or aegirine inclusions; commonly sold as “dalmatian jasper”

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

Bismuth crystal

Bismuth (Bi), commonly laboratory-grown

Dalmatian Stone (Dalmatian Stone (Felsic Igneous Rock)) — igneous

Dalmatian Stone

Dalmatian Stone (Felsic Igneous Rock)

Peridot gemstone pendant (Olivine, gem-quality forsteritic olivine (approximately (Mg,Fe)₂SiO₄)) — gemstone

Peridot gemstone pendant

Olivine, gem-quality forsteritic olivine (approximately (Mg,Fe)₂SiO₄)

Likely diamond accent (Diamond (crystalline carbon, C)) — gemstone

Likely diamond accent

Diamond (crystalline carbon, C)

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

Ruby

Corundum (Al2O3 with Chromium traces)

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

Corundum (variety Ruby/Sapphire)

Aluminum Oxide (Al2O3)

Raw ruby (likely corundum) (Corundum, Al₂O₃; red color caused mainly by chromium) — gemstone

Raw ruby (likely corundum)

Corundum, Al₂O₃; red color caused mainly by chromium

Anthracite Coal (Anthracite (Carbon ≥ 86%)) — sedimentary

Anthracite Coal

Anthracite (Carbon ≥ 86%)

Turquoise ring (Turquoise, hydrated copper–aluminum phosphate (CuAl₆(PO₄)₄(OH)₈·4H₂O)) — gemstone

Turquoise ring

Turquoise, hydrated copper–aluminum phosphate (CuAl₆(PO₄)₄(OH)₈·4H₂O)

Gemstone butterfly brooch/pendant (Likely faceted pink tourmaline or synthetic spinel in gilt metal; exact identification requires testing) — gemstone

Gemstone butterfly brooch/pendant

Likely faceted pink tourmaline or synthetic spinel in gilt metal; exact identification requires testing

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

Emerald

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

Hematite bead bracelet (Hematite (iron(III) oxide, Fe₂O₃), likely polished specular hematite) — mineral

Hematite bead bracelet

Hematite (iron(III) oxide, Fe₂O₃), likely polished specular hematite

Man-made Green Quartz (Lab-grown or Treated) (Silicon Dioxide (SiO2) with artificial coloration) — mineral

Man-made Green Quartz (Lab-grown or Treated)

Silicon Dioxide (SiO2) with artificial coloration

Diamond (Faceted) (Diamond (Pure Carbon, C)) — gemstone

Diamond (Faceted)

Diamond (Pure Carbon, C)

Man-made Polished Porcelain Tile (Artificial Geologic Lookalike) (Fused Silicate Ceramic with Alumina (Synthetic Kaolinite derivative)) — Synthetic (Ceramic)

Man-made Polished Porcelain Tile (Artificial Geologic Lookalike)

Fused Silicate Ceramic with Alumina (Synthetic Kaolinite derivative)

Synthetic (Ceramic)

Tumbled turquoise-like stone (Likely turquoise, hydrated copper aluminum phosphate: CuAl₆(PO₄)₄(OH)₈·4H₂O) — mineral

Tumbled turquoise-like stone

Likely turquoise, hydrated copper aluminum phosphate: CuAl₆(PO₄)₄(OH)₈·4H₂O

Lapis Lazuli (Lapis lazuli (complex rock; primarily Lazurite: (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2)) — metamorphic

Lapis Lazuli

Lapis lazuli (complex rock; primarily Lazurite: (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2)

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

Carborundum (Silicon Carbide)

Silicon Carbide (SiC)

Man-made Crystal (Lead Glass) (Lead oxide-doped Silica Glass (approx. SiO2 + PbO)) — Mineraloid/Synthetic Material

Man-made Crystal (Lead Glass)

Lead oxide-doped Silica Glass (approx. SiO2 + PbO)

Mineraloid/Synthetic Material

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

Hematite

Iron(III) oxide (Fe2O3)

Star ruby cabochon ring (Corundum, Al₂O₃ (ruby variety), displaying asterism) — gemstone

Star ruby cabochon ring

Corundum, Al₂O₃ (ruby variety), displaying asterism

Blue Dyed Agate (Cryptocrystalline Quartz (SiO2)) — mineral

Blue Dyed Agate

Cryptocrystalline Quartz (SiO2)

Ruby (Faceted) (Corundum (Al2O3 with Cr trace elements)) — gemstone

Ruby (Faceted)

Corundum (Al2O3 with Cr trace elements)

Diamond (Diamond (C)) — mineral

Diamond

Diamond (C)

Opal (Hydrated amorphous form of silica (SiO2·nH2O)) — mineral

Opal

Hydrated amorphous form of silica (SiO2·nH2O)

Opal (Hydrated Amorphous Silica (SiO2·nH2O)) — Mineral

Opal

Hydrated Amorphous Silica (SiO2·nH2O)

Diamond-set ring (likely lab-grown or natural diamonds) (Diamond, crystalline carbon (C)) — gemstone

Diamond-set ring (likely lab-grown or natural diamonds)

Diamond, crystalline carbon (C)

Red faceted gemstone ring (Likely synthetic ruby or red spinel; exact identification requires testing) — gemstone

Red faceted gemstone ring

Likely synthetic ruby or red spinel; exact identification requires testing