Asphalt (Bituminous Concrete)
Bituminous mix containing aggregates and petroleum-based binder (CnH2n+2)
not a rock (anthropogenic material/technofossil)
Category
Man Made Alloy (Metallic)
Browse man made alloy (metallic) specimens identified by the Rock Identifier community.
Learn about Man Made Alloy (Metallic) in the encyclopedia
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Cubic Zirconia
Cubic Zirconium Dioxide (ZrO2)
gemstone
Sandstone Concretion
Clastic Sedimentary Concretion (SiO2 with Iron Oxide)
sedimentary
Crackle Agate / Dyed Quartz
SiO2 (Silicon Dioxide)
mineral
Copper Nugget
Native Copper (Cu)
mineral
Gold and Silver (Metal Components of an Antique Pocket Watch)
Native Gold (Au) and Native Silver (Ag)
mineral
Sulfide Ore (likely Galena and Sphalerite in Quartz)
Lead-Zinc Ore (PbS and ZnS)
mineral
Ferrochrome Slag
Calcium-Aluminium-Magnesium Silicate Slag
industrial byproduct
Iron-Nickel Meteorite Fragment (Unclassified)
Iron-Nickel Alloy (Taenite and Kamacite)
meteorite
Green Quartz / Chrysoprase / Sea Glass
Silicon Dioxide (SiO2)
mineral
Green Aventurine
Silicon Dioxide (Quartz with Fuchsite inclusions), SiO2
metamorphic
Concrete
Hydrated Portland Cement Aggregate Composite
Anthropogenic Sedimentary (Man-made)
Slag Glass
Vitreous Silicate Residue
industrial byproduct (anthropogenic rock)
Conglomerate
Conglomerate (Sedimentary rock containing rounded clasts)
sedimentary
Iron Meteorite
Iron-Nickel Alloy (Kamacite and Taenite)
meteorite
Bismuth Crystal
Bismuth (Bi)
mineral
Iron Meteorite
Siderite (Iron-Nickel Alloy)
meteorite
Libyan Desert Glass
Tektite (high-silica impact glass), SiO2
mineral
Asphalt Concrete (Bituminous Concrete)
Bituminous aggregate
sedimentary
Blue goldstone beads
Man-made aventurine glass (silica glass with metallic copper inclusions), not natural lapis lazuli
mineral
Opalite
Synthetic Glass (Hydrated Silica Simulant)
mineral
Painted River Rock
Artificially Coated Sedimentary Rock
sedimentary
Opalite
Synthetic Opalised Glass
mineral
Dyed Agate
Chalcedony (SiO2)
mineral
Chalcopyrite
Copper iron sulfide (CuFeS2)
mineral
Concretion
Sedimentary Concretion (Ironstone / Calcite Concretion)
sedimentary
Conglomerate
Clastic Sedimentary Rock (Conglomerate)
sedimentary
Sandstone (with Liesegang rings or joints)
Clastic Sedimentary Rock (primarily Quartz with Iron Oxide cement)
sedimentary
Sandstone Concretion
Sedimentary Clastic Rock (Silicate-rich)
sedimentary
Sandstone Concretion
Clastic Sedimentary Concretion (typically Quartz/Silica with Iron Oxide)
sedimentary
Sea Glass
Man-made silicate glass (Amorphous silicon dioxide)
sedimentary
Iron Meteorite
Siderite (Iron-Nickel alloy)
meteorite
Diamond
Carbon (C)
gemstone
Opalite (Synthetic Opalized Glass)
Synthetic Silicon Dioxide (SiO2) glass
mineral
Gold Nugget
Native Gold (Au)
mineral
Hematite Beads
Hematite (Fe2O3)
Mineral
Libyan Desert Glass
Libyan Desert Glass (SiO2 with trace elements)
mineral (impactite)
Mother of Pearl (Nacre)
Aragonite (CaCO3) with Organic Matrix
mineral
Sea Glass
Man-made vitreous material (silica-based glass)
mineral
Chakra Stone (Composite / Man-made Bonded Gemstones)
Composite of Quartz, Lapis Lazuli, Aventurine, Tiger's Eye, and Jasper (SiO2, (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2, etc.)
Combined Minerals / Metaphysical stones
Gold Grain
Native Gold (Au)
mineral
Mineral Sand (Heavy Mineral Sand Concentrate)
Placer deposit concentrate containing minerals such as ilmenite, rutile, zircon, and magnetite
mineral