Rock Identifier

Category

Mineraloid (Man Made Glass)

Browse mineraloid (man made glass) specimens identified by the Rock Identifier community.

Learn about Mineraloid (Man Made Glass) in the encyclopedia

Opalite

Goldstone

Shungite

Blue Goldstone

Sideromelane

Black Obsidian

Maskelynite

Tachylite

Obsidian

Map Jasper

Hyalite Opal

Perlite

Concretion (Sedimentary Concretion (Ironstone / Calcite Concretion)) — sedimentary

Concretion

Sedimentary Concretion (Ironstone / Calcite Concretion)

Conglomerate (Clastic Sedimentary Rock (Conglomerate)) — sedimentary

Conglomerate

Clastic Sedimentary Rock (Conglomerate)

Sandstone (with Liesegang rings or joints) (Clastic Sedimentary Rock (primarily Quartz with Iron Oxide cement)) — sedimentary

Sandstone (with Liesegang rings or joints)

Clastic Sedimentary Rock (primarily Quartz with Iron Oxide cement)

Sandstone Concretion (Sedimentary Clastic Rock (Silicate-rich)) — sedimentary

Sandstone Concretion

Sedimentary Clastic Rock (Silicate-rich)

Sandstone Concretion (Clastic Sedimentary Concretion (typically Quartz/Silica with Iron Oxide)) — sedimentary

Sandstone Concretion

Clastic Sedimentary Concretion (typically Quartz/Silica with Iron Oxide)

Weathered iron-rich concretion or ironstone nodule (Goethite–hematite limonite concretion (FeO(OH), Fe₂O₃, and hydrated iron oxides)) — sedimentary

Weathered iron-rich concretion or ironstone nodule

Goethite–hematite limonite concretion (FeO(OH), Fe₂O₃, and hydrated iron oxides)

Mother of Pearl (Nacre) (Aragonite (CaCO3) with Organic Matrix) — mineral

Mother of Pearl (Nacre)

Aragonite (CaCO3) with Organic Matrix

Aura Quartz (Titanium-coated Silicon Dioxide (SiO2)) — mineral

Aura Quartz

Titanium-coated Silicon Dioxide (SiO2)

Brick fragment (Man-made material) (N/A (Fired clay)) — man-made

Brick fragment (Man-made material)

N/A (Fired clay)

Black Obsidian (Volcanic Glass) — igneous

Black Obsidian

Volcanic Glass

Obsidian (Volcanic Glass) — igneous

Obsidian

Volcanic Glass

Vesicular basalt (probable iron-rich volcanic rock) (Basalt; chiefly plagioclase, clinopyroxene, olivine, and Fe-Ti oxides) — igneous

Vesicular basalt (probable iron-rich volcanic rock)

Basalt; chiefly plagioclase, clinopyroxene, olivine, and Fe-Ti oxides

Sea Glass (Amorphous Silica (Glass) SiO2) — Mineraloid (Man-made origin)

Sea Glass

Amorphous Silica (Glass) SiO2

Mineraloid (Man-made origin)

Aura Quartz (Pink/Rose Aura Quartz) (Silicon Dioxide (SiO2) bonded with Platinum and/or Silver) — mineral

Aura Quartz (Pink/Rose Aura Quartz)

Silicon Dioxide (SiO2) bonded with Platinum and/or Silver

Diamond (Carbon (C)) — gemstone

Diamond

Carbon (C)

Aqua Aura Quartz (Titanium/Gold-coated Silicon Dioxide (SiO2)) — mineral

Aqua Aura Quartz

Titanium/Gold-coated Silicon Dioxide (SiO2)

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

Carborundum (Silicon Carbide)

Silicon carbide (SiC)

Dyed Agate / Painted Stone (Silicon Dioxide (SiO2) with artificial pigment) — sedimentary (base), then artificial

Dyed Agate / Painted Stone

Silicon Dioxide (SiO2) with artificial pigment

sedimentary (base), then artificial

Cultured Marble (Synthetic) (Polymer-matrix composite (typically calcium carbonate in polyester resin)) — Synthetic / Composite Material

Cultured Marble (Synthetic)

Polymer-matrix composite (typically calcium carbonate in polyester resin)

Synthetic / Composite Material

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

Carborundum (Silicon Carbide)

Silicon Carbide (SiC)

Synthetic Resin (Artificial Specimen) (Polyurethane or Polyester Resin) — mineraloid (man-made)

Synthetic Resin (Artificial Specimen)

Polyurethane or Polyester Resin

mineraloid (man-made)

Slag Glass (Leland Blue variant) (Anthropogenic Vitreous Silicate) — mineral

Slag Glass (Leland Blue variant)

Anthropogenic Vitreous Silicate

Dalmatian jasper (Porphyritic microcrystalline quartz-rich rock, commonly sold as Dalmatian jasper; spots are chiefly arfvedsonite/amphibole minerals, sometimes altered feldspar) — igneous

Dalmatian jasper

Porphyritic microcrystalline quartz-rich rock, commonly sold as Dalmatian jasper; spots are chiefly arfvedsonite/amphibole minerals, sometimes altered feldspar

Sandstone Concretion (Septarian or Carbonate-cemented Sandstone Concretion) — sedimentary

Sandstone Concretion

Septarian or Carbonate-cemented Sandstone Concretion

Cullet Glass (Strawberry Glass) (Amorphous Silicon Dioxide (SiO2) with metallic dopants) — Mineraloid (Synthetic/Man-made)

Cullet Glass (Strawberry Glass)

Amorphous Silicon Dioxide (SiO2) with metallic dopants

Mineraloid (Synthetic/Man-made)

Asphalt (Bituminous Pavement) (Bituminous mix (Aggregates with Bitumen binder)) — sedimentary

Asphalt (Bituminous Pavement)

Bituminous mix (Aggregates with Bitumen binder)

Aqua Aura Quartz (Silicon Dioxide (SiO2) bonded with Gold (Au)) — mineral (treated)

Aqua Aura Quartz

Silicon Dioxide (SiO2) bonded with Gold (Au)

mineral (treated)

Man-made earbud charging case (Not a rock or mineral) (Acrylonitrile Butadiene Styrene (ABS) Plastic with electronic components) — Synthetic/Man-made object

Man-made earbud charging case (Not a rock or mineral)

Acrylonitrile Butadiene Styrene (ABS) Plastic with electronic components

Synthetic/Man-made object

Green Slag Glass (Amorphous Silica / Glassy Blast Furnace Slag) — Mineraloid (Industrial byproduct)

Green Slag Glass

Amorphous Silica / Glassy Blast Furnace Slag

Mineraloid (Industrial byproduct)

Blue glassy mineral specimen, possibly dyed or synthetic (Uncertain; possible blue fluorite (CaF₂), dyed chalcedony, or man-made glass) — mineral

Blue glassy mineral specimen, possibly dyed or synthetic

Uncertain; possible blue fluorite (CaF₂), dyed chalcedony, or man-made glass

Synthetic Convention Badge (Plastic/PVC) (Polyvinyl Chloride (PVC) / Polycarbonate) — mineraloid (synthetic)

Synthetic Convention Badge (Plastic/PVC)

Polyvinyl Chloride (PVC) / Polycarbonate

mineraloid (synthetic)

Tumbled opalite (likely synthetic glass) (Opalite; typically man-made opalescent soda-lime glass, not a recognized mineral species) — gemstone

Tumbled opalite (likely synthetic glass)

Opalite; typically man-made opalescent soda-lime glass, not a recognized mineral species

Black Obsidian (Volcanic Glass (Amorphous SiO2)) — igneous

Black Obsidian

Volcanic Glass (Amorphous SiO2)

Porcelain Tile (Sandstone-look) (Man-made Ceramic (resembling Quartz-rich Sandstone)) — sedimentary (imitation)

Porcelain Tile (Sandstone-look)

Man-made Ceramic (resembling Quartz-rich Sandstone)

sedimentary (imitation)

Labradorite (Labradorite ((Ca, Na)(Al, Si)4O8)) — mineral

Labradorite

Labradorite ((Ca, Na)(Al, Si)4O8)

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

Hematite

Iron(III) oxide (Fe2O3)

Obsidian (Volcanic glass) — igneous

Obsidian

Volcanic glass

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

Silicon Carbide (Carborundum)

Silicon Carbide (SiC)

Red Sandstone or Brick Fragment (Arenite (if sandstone)) — sedimentary

Red Sandstone or Brick Fragment

Arenite (if sandstone)

Titanium Coated Kyanite (Aura Kyanite) (Aluminosilicate (Al2SiO5) with a Titanium-Niobium vacuum-deposited coating) — metamorphic

Titanium Coated Kyanite (Aura Kyanite)

Aluminosilicate (Al2SiO5) with a Titanium-Niobium vacuum-deposited coating

Obsidian (Obsidian (volcanic glass)) — Igneous

Obsidian

Obsidian (volcanic glass)

Black beaded bracelet, likely black onyx or glass (Possibly chalcedony (microcrystalline quartz, SiO₂); the beads may instead be man-made glass) — mineral

Black beaded bracelet, likely black onyx or glass

Possibly chalcedony (microcrystalline quartz, SiO₂); the beads may instead be man-made glass