Rock Identifier

Category

Man Made Material (Jewelry, Metal Alloy)

Browse man made material (jewelry, metal alloy) specimens identified by the Rock Identifier community.

Learn about Man Made Material (Jewelry, Metal Alloy) in the encyclopedia

Opalite

Platinum

Gold

Copper

Silver

Goldstone

Blue Goldstone

Dunite

Zincite

Mint Obsidian

Crimson Obsidian

Lherzolite

Chert Arrowhead (Projectile Point) (Microcrystalline Quartz (Chert or Flint)) — sedimentary

Chert Arrowhead (Projectile Point)

Microcrystalline Quartz (Chert or Flint)

Asphalt / Road Aggregate (Bituminous Conglomerate (synthetic)) — sedimentary

Asphalt / Road Aggregate

Bituminous Conglomerate (synthetic)

Opalite glass sphere (likely synthetic imitation) (Man-made opalescent glass; not natural opal) — mineral

Opalite glass sphere (likely synthetic imitation)

Man-made opalescent glass; not natural opal

Ferrochrome Slag (Calcium-Aluminium-Magnesium Silicate Slag) — industrial byproduct

Ferrochrome Slag

Calcium-Aluminium-Magnesium Silicate Slag

industrial byproduct

Unidentifiable Rock Fragment — Uncertain

Unidentifiable Rock Fragment

Silver (Sterling Silver) (Argentum (Ag) mixed with Copper (Cu); Formula: Ag+Cu) — mineral

Silver (Sterling Silver)

Argentum (Ag) mixed with Copper (Cu); Formula: Ag+Cu

Asphalt Concrete (Bituminous Conglomerate) (Anthropogenic Bituminous Conglomerate) — sedimentary

Asphalt Concrete (Bituminous Conglomerate)

Anthropogenic Bituminous Conglomerate

Concrete with Aggregate (Artificial Conglomerate (Cement and Aggregate)) — sedimentary

Concrete with Aggregate

Artificial Conglomerate (Cement and Aggregate)

Diamond ring (Diamond, crystalline carbon (C)) — gemstone

Diamond ring

Diamond, crystalline carbon (C)

Opalite (Synthetic glass (SiO2 + impurities)) — mineral

Opalite

Synthetic glass (SiO2 + impurities)

Carnelian cabochon (Orange-red variety of chalcedony (microcrystalline quartz), SiO₂) — gemstone

Carnelian cabochon

Orange-red variety of chalcedony (microcrystalline quartz), SiO₂

Blue slag glass / industrial smelter slag (Man-made iron-rich silicate slag; composition variable, commonly Fe–Ca–Mg–Al silicates with glassy phases) — mineral

Blue slag glass / industrial smelter slag

Man-made iron-rich silicate slag; composition variable, commonly Fe–Ca–Mg–Al silicates with glassy phases

Tumbled milky quartz (Quartz (SiO₂), cryptocrystalline-to-massive variety) — mineral

Tumbled milky quartz

Quartz (SiO₂), cryptocrystalline-to-massive variety

Asphalt Concrete (Bituminous Pavement) (Aggregates in Bitumen Matrix) — Technogenic / Anthropogenic Pavement Material

Asphalt Concrete (Bituminous Pavement)

Aggregates in Bitumen Matrix

Technogenic / Anthropogenic Pavement Material

Opalite (Man-made glass (traditionally simulated Opal)) — mineral

Opalite

Man-made glass (traditionally simulated Opal)

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)

Diamond (Native Carbon (C)) — gemstone

Diamond

Native Carbon (C)

Green cabochon gemstone, likely aventurine or dyed chalcedony (Indeterminate from image; possible quartz variety (SiO₂), including aventurine quartz or chalcedony) — gemstone

Green cabochon gemstone, likely aventurine or dyed chalcedony

Indeterminate from image; possible quartz variety (SiO₂), including aventurine quartz or chalcedony

Concrete / Anthropogenic Conglomerate (Man-made composite material (Portland cement, aggregate, and water)) — not a natural rock

Concrete / Anthropogenic Conglomerate

Man-made composite material (Portland cement, aggregate, and water)

not a natural rock

Concrete fragment with Aggregate (Anthropogenic Concrete with Calcarious and Siliceous Aggregate) — sedimentary (anthropogenic/man-made)

Concrete fragment with Aggregate

Anthropogenic Concrete with Calcarious and Siliceous Aggregate

sedimentary (anthropogenic/man-made)

Asphalt (Road Aggregate) (Asphalt concrete / Bituminous mixture) — anthropogenic sedimentary (technolith)

Asphalt (Road Aggregate)

Asphalt concrete / Bituminous mixture

anthropogenic sedimentary (technolith)

Aggregate Concrete (Anthropogenic Conglomerate (Technosol)) — sedimentary

Aggregate Concrete

Anthropogenic Conglomerate (Technosol)

Decorative gemstone bracelet or jewelry (Unidentifiable from the blurred image; likely colored glass or synthetic stones, possibly mixed gemstone beads) — gemstone

Decorative gemstone bracelet or jewelry

Unidentifiable from the blurred image; likely colored glass or synthetic stones, possibly mixed gemstone beads

Terrazzo (Man-made Composite) (Cementitious or Resin-bound Lithic Composite) — sedimentary (artificial)

Terrazzo (Man-made Composite)

Cementitious or Resin-bound Lithic Composite

sedimentary (artificial)

Sea Glass (Man-made silicate glass) — gemstone

Sea Glass

Man-made silicate glass

Blue cabochon gemstone, likely synthetic glass or dyed stone (Indeterminate from image; possible glass, synthetic spinel, sodalite, or lapis lazuli) — gemstone

Blue cabochon gemstone, likely synthetic glass or dyed stone

Indeterminate from image; possible glass, synthetic spinel, sodalite, or lapis lazuli

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

Goldstone

Avventurina (Man-made Glass with Copper inclusions)

Asphalt Concrete (Bituminous Concrete (Anthropic Rock)) — sedimentary

Asphalt Concrete

Bituminous Concrete (Anthropic Rock)

Rose Gold (Copper-Gold Alloy) (Aurum-Cuprum Alloy (Au-Cu)) — mineral (native element alloy)

Rose Gold (Copper-Gold Alloy)

Aurum-Cuprum Alloy (Au-Cu)

mineral (native element alloy)

Sea Glass (Man-made silicate glass) — sedimentary

Sea Glass

Man-made silicate glass

Faceted gemstone in a jewelry setting (Indeterminate from image; likely quartz, cubic zirconia, or another transparent faceted stone) — gemstone

Faceted gemstone in a jewelry setting

Indeterminate from image; likely quartz, cubic zirconia, or another transparent faceted stone

Concrete with Exposed Aggregate (Anthropogenic conglomerate (Concrete)) — man-made rock (sedimentary analogue)

Concrete with Exposed Aggregate

Anthropogenic conglomerate (Concrete)

man-made rock (sedimentary analogue)

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

Concrete Paver (Artificial Cementitious Rock)

Hydrated Portland Cement Aggregate

Sedimentary (Synthetic)

Bismuth (Native Bismuth (Bi)) — mineral

Bismuth

Native Bismuth (Bi)

Titanium Amethyst Geode (Silicon Dioxide (SiO2) with Titanium/Metal Vapor Deposition Layer) — mineral

Titanium Amethyst Geode

Silicon Dioxide (SiO2) with Titanium/Metal Vapor Deposition Layer

Black-and-white agate geode pendant (Agate (microcrystalline quartz, SiO₂), likely a hollow geode slice with chalcedony and drusy quartz) — mineral

Black-and-white agate geode pendant

Agate (microcrystalline quartz, SiO₂), likely a hollow geode slice with chalcedony and drusy quartz

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

Tumbled black stone, likely black obsidian

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

Cullet Glass (Slag Glass) (Amorphous Silicon Dioxide (Industrial byproduct)) — mineraloid

Cullet Glass (Slag Glass)

Amorphous Silicon Dioxide (Industrial byproduct)

Sea Glass (Man-made vitreous material (silica-based glass)) — mineral

Sea Glass

Man-made vitreous material (silica-based glass)

Opalite (Man-made opalescent glass) — gemstone

Opalite

Man-made opalescent glass

Tumbled gray stone, likely quartz-rich pebble (Probable microcrystalline quartz/chalcedony (SiO₂), possibly gray jasper or quartzite) — mineral

Tumbled gray stone, likely quartz-rich pebble

Probable microcrystalline quartz/chalcedony (SiO₂), possibly gray jasper or quartzite

Opalite (a synthetic glass) (Silicon Dioxide (SiO2) with various additives; not a true mineral but a man-made gem simulant) — Mineral Simulant (Synthetic Glass)

Opalite (a synthetic glass)

Silicon Dioxide (SiO2) with various additives; not a true mineral but a man-made gem simulant

Mineral Simulant (Synthetic Glass)