Rock Identifier

Category

Mineral (Man Made Composite)

Browse mineral (man made composite) specimens identified by the Rock Identifier community.

Learn about Mineral (Man Made Composite) in the encyclopedia

Opalite

Map Jasper

Goldstone

Glauconite

Blue Goldstone

Hutcheonite

Halite

Sperrylite

Sea Sediment Jasper

Baddeleyite

Anatase

Brookite

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

Slag Glass (Leland Blue variant)

Anthropogenic Vitreous Silicate

Green Sea Glass (Man-made vitreous material (silica glass)) — gemstone

Green Sea Glass

Man-made vitreous material (silica glass)

Engineered Quartz Stone (Agglomerated Quartz (SiO2 + Polymer Resin)) — mineral-based composite

Engineered Quartz Stone

Agglomerated Quartz (SiO2 + Polymer Resin)

mineral-based composite

Ferruginous Conglomerate (or Iron-Rich Concrete/Slag) (Clastic Sedimentary (Silicon Dioxide/Iron Oxide matrix)) — sedimentary

Ferruginous Conglomerate (or Iron-Rich Concrete/Slag)

Clastic Sedimentary (Silicon Dioxide/Iron Oxide matrix)

Opalite (Synthetic Opalised Glass) — glass

Opalite

Synthetic Opalised Glass

Sea Glass (Man-made silicate glass weathering product) — sedimentary

Sea Glass

Man-made silicate glass weathering product

Opalite (Man-made Glass (Synthetic Opalized Glass)) — gemstone

Opalite

Man-made Glass (Synthetic Opalized Glass)

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

Red Sandstone or Brick Fragment

Arenite (if sandstone)

Crescent Pebble (Weathered Quartzite or Sandstone Fragment) — sedimentary

Crescent Pebble

Weathered Quartzite or Sandstone Fragment

Opalite (Synthetic Glass, SiO2 base with metallic inclusions) — mineraloid (synthetic)

Opalite

Synthetic Glass, SiO2 base with metallic inclusions

mineraloid (synthetic)

Pink Cubic Zirconia (CZ) (Zirconium Dioxide (ZrO2)) — mineral (synthetic)

Pink Cubic Zirconia (CZ)

Zirconium Dioxide (ZrO2)

mineral (synthetic)

Sea Glass (Amorphous Silicon Dioxide (Man-made glass weathered by nature)) — mineral

Sea Glass

Amorphous Silicon Dioxide (Man-made glass weathered by nature)

Obsidian (Blue) (Volcanic Glass (SiO2)) — igneous

Obsidian (Blue)

Volcanic Glass (SiO2)

Sea Glass (Amorphous silicon dioxide (Man-made glass weathered by nature)) — mineral

Sea Glass

Amorphous silicon dioxide (Man-made glass weathered by nature)

Dyed Crackle Quartz (Silicon Dioxide (SiO2) with synthetic dye) — mineral

Dyed Crackle Quartz

Silicon Dioxide (SiO2) with synthetic dye

Tumbled black obsidian (likely) (Volcanic glass; chiefly silica-rich rhyolitic glass (SiO₂)) — igneous

Tumbled black obsidian (likely)

Volcanic glass; chiefly silica-rich rhyolitic glass (SiO₂)

Rounded graywacke or sandstone cobble (Lithified clastic sandstone; likely quartz–feldspar–lithic grain aggregate in a silica or calcite matrix) — sedimentary

Rounded graywacke or sandstone cobble

Lithified clastic sandstone; likely quartz–feldspar–lithic grain aggregate in a silica or calcite matrix

Dyed Dragon Vein Agate (Silicon Dioxide (SiO2) with artificial pigment) — mineral

Dyed Dragon Vein Agate

Silicon Dioxide (SiO2) with artificial pigment

Green Glass (often marketed as 'Obsidian' or 'Green Quartz') (Amorphous Silica (SiO2) with copper or chromium additives) — Mineraloid (Man-made)

Green Glass (often marketed as 'Obsidian' or 'Green Quartz')

Amorphous Silica (SiO2) with copper or chromium additives

Mineraloid (Man-made)

Blue Goldstone (Aventurine Glass) — Man-made glass (often grouped with minerals in lapidary)

Blue Goldstone

Aventurine Glass

Man-made glass (often grouped with minerals in lapidary)

Opalite (Synthetic Opalised Glass) — Mineral (Synthetic / Man-made)

Opalite

Synthetic Opalised Glass

Mineral (Synthetic / Man-made)

Unidentified polished mineral fragment (Likely quartz-bearing stone; exact identification is impossible from the blurred photograph) — mineral

Unidentified polished mineral fragment

Likely quartz-bearing stone; exact identification is impossible from the blurred photograph

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

Brick fragment (Man-made material)

N/A (Fired clay)

Opalite (Synthetic glass (SiO2 + metal additions)) — mineraloid

Opalite

Synthetic glass (SiO2 + metal additions)

Hematite Beads (Hematite (Fe2O3)) — Mineral

Hematite Beads

Hematite (Fe2O3)

Diamond / Clear Quartz / Glass paste (Carbon (Diamond) / Silicon Dioxide (Quartz)) — gemstone

Diamond / Clear Quartz / Glass paste

Carbon (Diamond) / Silicon Dioxide (Quartz)

Opalite (Synthetic Glass (Simulated Moonstone/Opal)) — gemstone

Opalite

Synthetic Glass (Simulated Moonstone/Opal)

Goldstone (Aventurine glass (Synthetic glass with copper inclusions)) — mineraloid / man-made glass

Goldstone

Aventurine glass (Synthetic glass with copper inclusions)

mineraloid / man-made glass

Libyan Desert Glass (Impact-melt silica glass (SiO2 + traces of Al, Fe, Ti)) — mineral (Tektite/Impactite)

Libyan Desert Glass

Impact-melt silica glass (SiO2 + traces of Al, Fe, Ti)

mineral (Tektite/Impactite)

Carved Mottled Greenish-Yellow Crystal/Glass Object (Unknown; possibly a form of quartz (chalcedony/jadeite/nephrite) or glass/resin.) — Man-made Object/Uncertain Mineral

Carved Mottled Greenish-Yellow Crystal/Glass Object

Unknown; possibly a form of quartz (chalcedony/jadeite/nephrite) or glass/resin.

Man-made Object/Uncertain Mineral

Ferro-silicate Slag (Industrial Vitrified Slag (High-silica amorphous glass)) — Mineral byproduct (Anthropogenic)

Ferro-silicate Slag

Industrial Vitrified Slag (High-silica amorphous glass)

Mineral byproduct (Anthropogenic)

Aventurine (Quartz containing inclusions of Fuchsite (SiO2 + K(Al,Cr)2AlSi3O10(OH)2)) — metamorphic

Aventurine

Quartz containing inclusions of Fuchsite (SiO2 + K(Al,Cr)2AlSi3O10(OH)2)

Polished black stone, likely black obsidian (Obsidian (volcanic glass), chiefly silica-rich rhyolitic composition) — igneous

Polished black stone, likely black obsidian

Obsidian (volcanic glass), chiefly silica-rich rhyolitic composition

Goldstone (with Tiger's Eye and Quartz) (Aventurine glass (Synthetic SiO2 with Cu inclusions)) — mineral

Goldstone (with Tiger's Eye and Quartz)

Aventurine glass (Synthetic SiO2 with Cu inclusions)

Goldstone (aventurine glass) (Man-made copper-bearing glass; not a natural mineral (commonly sold as blue/brown goldstone)) — mineral

Goldstone (aventurine glass)

Man-made copper-bearing glass; not a natural mineral (commonly sold as blue/brown goldstone)

Polished white chalcedony or quartz pendant (Microcrystalline quartz (chalcedony), SiO₂; exact identification is uncertain from the image) — gemstone

Polished white chalcedony or quartz pendant

Microcrystalline quartz (chalcedony), SiO₂; exact identification is uncertain from the image

Dyed Quartz Geode (Silicon Dioxide (SiO2) with artificial pigment) — mineral

Dyed Quartz Geode

Silicon Dioxide (SiO2) with artificial pigment

Slag Glass (SiO2 (Silicon Dioxide) with impurities) — man-made glass

Slag Glass

SiO2 (Silicon Dioxide) with impurities

Digital Multimeter (Synthetic Object) (Digital Multimeter (DMM)) — not a rock

Digital Multimeter (Synthetic Object)

Digital Multimeter (DMM)

Conglomerate (Conglomerate Rock (Paraconglomerate)) — sedimentary

Conglomerate

Conglomerate Rock (Paraconglomerate)

Green Aventurine (Quartzite with Fuchsite inclusions (SiO2 + K(Al,Cr)2(AlSi3O10)(OH)2)) — metamorphic

Green Aventurine

Quartzite with Fuchsite inclusions (SiO2 + K(Al,Cr)2(AlSi3O10)(OH)2)

Blue Goldstone (Man-made glass with suspended copper, cobalt, or manganese particles) — man-made glass

Blue Goldstone

Man-made glass with suspended copper, cobalt, or manganese particles