Rock Identifier

Category

Not A Natural Rock (Man Made Composite)

Browse not a natural rock (man made composite) specimens identified by the Rock Identifier community.

Learn about Not A Natural Rock (Man Made Composite) in the encyclopedia

Asphalt Rock

Rock Gypsum

Talc-carbonate Rock

Talc-carbonate Rock

Opalite

Chalk

Goldstone

Anorthosite

Albitite

Dunite

Gondite

Limestone

Coquina

Brick (Fired clay or Ceramic material (no specific mineralogical scientific name as it's a composite)) — Man-made material (constructed)

Brick

Fired clay or Ceramic material (no specific mineralogical scientific name as it's a composite)

Man-made material (constructed)

Diamond (Native Carbon (C)) — gemstone

Diamond

Native Carbon (C)

Conglomerate (Conglomerate (clastic sedimentary rock)) — sedimentary

Conglomerate

Conglomerate (clastic sedimentary rock)

Sandstone (likely Fossilized Wood or Concrete Simulacrum) (Arenite / Silicified Wood / Anthropogenic Concrete) — sedimentary

Sandstone (likely Fossilized Wood or Concrete Simulacrum)

Arenite / Silicified Wood / Anthropogenic Concrete

Terrazzo (with Marble and Granite fragments) (Cementitious or resinous composite containing Calcium Carbonate (CaCO3) and Silicates) — sedimentary (man-made composite)

Terrazzo (with Marble and Granite fragments)

Cementitious or resinous composite containing Calcium Carbonate (CaCO3) and Silicates

sedimentary (man-made composite)

Note: This is a Man-Made Object (Costume/Prop Patch) (Synthetic fiber and pigments (Cellulose/Plastic-based composite)) — Non-geological

Note: This is a Man-Made Object (Costume/Prop Patch)

Synthetic fiber and pigments (Cellulose/Plastic-based composite)

Dragon's Breath (Mexican Opal Glass) (Artisan Foil Glass (SiO2 based)) — mineraloid

Dragon's Breath (Mexican Opal Glass)

Artisan Foil Glass (SiO2 based)

Engineered Quartz (Quartzite look-alike) (Silicon Dioxide (SiO2) composite) — mineral-based composite

Engineered Quartz (Quartzite look-alike)

Silicon Dioxide (SiO2) composite

mineral-based composite

Opalite (Synthetic Opalized Glass) — gemstone

Opalite

Synthetic Opalized Glass

Cullet Glass / Slag Glass (Amorphous silica glass) — man-made glass / industrial byproduct

Cullet Glass / Slag Glass

Amorphous silica glass

man-made glass / industrial byproduct

Opalite (Man-made Glass) (Synthetic Silicon Dioxide Glass (SiO2 + metal oxides)) — Synthetic Mineral Simulant / Glass

Opalite (Man-made Glass)

Synthetic Silicon Dioxide Glass (SiO2 + metal oxides)

Synthetic Mineral Simulant / Glass

Opalite (Synthetic Opalite Glass / Opalized Glass) — gemstone

Opalite

Synthetic Opalite Glass / Opalized Glass

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)

Seven Chakra Bonded Stone (Bonded composite of Red Jasper, Carnelian, Tiger's Eye, Aventurine, Lapis Lazuli, Amethyst, and Clear Quartz) — metamorphic

Seven Chakra Bonded Stone

Bonded composite of Red Jasper, Carnelian, Tiger's Eye, Aventurine, Lapis Lazuli, Amethyst, and Clear Quartz

Green glass-like cabochon, likely synthetic glass or resin (Unidentified green transparent material; possibly molded glass, synthetic spinel, or resin) — gemstone

Green glass-like cabochon, likely synthetic glass or resin

Unidentified green transparent material; possibly molded glass, synthetic spinel, or resin

Opalite (Synthetic Glass (Simulated Opal)) — gemstone

Opalite

Synthetic Glass (Simulated Opal)

Green Obsidian Sphere (man-made glass) (Vitreous Silica with Chromium/Iron additives) — mineralogical simulant

Green Obsidian Sphere (man-made glass)

Vitreous Silica with Chromium/Iron additives

mineralogical simulant

Cullet Glass (Slag Glass) (Amorphous Silicon Dioxide (SiO2) with metallic oxide impurities) — mineraloid

Cullet Glass (Slag Glass)

Amorphous Silicon Dioxide (SiO2) with metallic oxide impurities

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

Asphalt (Bituminous Pavement)

Bituminous mix (Aggregates with Bitumen binder)

Green glass sphere/marble (Soda-lime glass (primarily SiO2, Na2O, CaO)) — Man-made object (Simulant)

Green glass sphere/marble

Soda-lime glass (primarily SiO2, Na2O, CaO)

Man-made object (Simulant)

Rose Quartz and Cherry Quartz (Dyed Glass/Quartz) (Silicon Dioxide (SiO2) with inclusions/dye) — gemstone

Rose Quartz and Cherry Quartz (Dyed Glass/Quartz)

Silicon Dioxide (SiO2) with inclusions/dye

Opalite (Man-made opalescent glass) — gemstone

Opalite

Man-made opalescent glass

Mother of Pearl (Nacre) / Shell Fragment (Biogenic Calcium Carbonate (Aragonite and Conchiolin)) — fossil

Mother of Pearl (Nacre) / Shell Fragment

Biogenic Calcium Carbonate (Aragonite and Conchiolin)

Opalite (Man-made Glass (SiO2 + additives)) — mineraloid (synthetic)

Opalite

Man-made Glass (SiO2 + additives)

mineraloid (synthetic)

Cubic Zirconia (Jewelry Setting) (Zirconium Dioxide (ZrO2)) — gemstone

Cubic Zirconia (Jewelry Setting)

Zirconium Dioxide (ZrO2)

Opaline Glass (Opalite) (Synthetic Silicon Dioxide Glass) — Mineraloid (Man-made)

Opaline Glass (Opalite)

Synthetic Silicon Dioxide Glass

Mineraloid (Man-made)

Opalite (Man-made opalized glass) — mineral

Opalite

Man-made opalized glass

Opalite (Synthetic Opalised Glass) — glass

Opalite

Synthetic Opalised Glass

Asphalt Chunk (Asphalt concrete) — man-made composite

Asphalt Chunk

Asphalt concrete

man-made composite

Opalite (Synthetic Glass (Silica-based)) — gemstone

Opalite

Synthetic Glass (Silica-based)

Crescent Pebble (Weathered Quartzite or Sandstone Fragment) — sedimentary

Crescent Pebble

Weathered Quartzite or Sandstone Fragment

Granite with Cupules / Bedrock Mortars (Granite (felsic intrusive plutonic rock)) — igneous

Granite with Cupules / Bedrock Mortars

Granite (felsic intrusive plutonic rock)

Painted River Rock (Artificially Coated Sedimentary Rock) — sedimentary

Painted River Rock

Artificially Coated Sedimentary Rock

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)

Opalite (Synthetic Opalite Glass) — mineraloid (man-made)

Opalite

Synthetic Opalite Glass

mineraloid (man-made)

Mystic Topaz (Treated Quartz or Topaz) (Aluminum silicate fluoride hydroxide [Al2SiO4(F,OH)2] with thin-film metallic coating) — gemstone

Mystic Topaz (Treated Quartz or Topaz)

Aluminum silicate fluoride hydroxide [Al2SiO4(F,OH)2] with thin-film metallic coating

Opalite (Synthetic glass / Opaque silicious glass) — gemstone

Opalite

Synthetic glass / Opaque silicious glass

Not a geological specimen (N/A (man-made object)) — N/A

Not a geological specimen

N/A (man-made object)

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)

Slag (Metallurgical Slag) — igneous

Slag

Metallurgical Slag

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

Aura Quartz (Titanium Quartz)

Titanium-coated Silicon Dioxide (SiO2 + Ti)

Opalite (Synthetic Opalite (Man-made glass)) — mineral

Opalite

Synthetic Opalite (Man-made glass)