Diamond in Kimberlite
Diamond (C in Kimberlite)
igneous
Category
Not A Rock (Man Made Industrial Metal)
Browse not a rock (man made industrial metal) specimens identified by the Rock Identifier community.
Quartzite Pebble
Quartzite (SiO2)
metamorphic
Iron Slag
Anthropogenic Iron oxide/Silicate composite
Mineral-like byproduct (Technogenic)
Fired Clay Brick (Anthropic Rock substitute)
Anthropogenic polycrystalline ceramic (predominantly Mullite and Quartz: Al6Si2O13 + SiO2)
metamorphic (man-made / anthropic)
Gold Nugget
Native Gold (Au)
mineral
Sandstone
Arenite (SiO2, often with CaCO3 or Fe2O3 cement)
sedimentary
Bauxite (Laterite Clay)
Bauxite (mixture of Hydrous Aluminum Oxides: Gibbsite Al(OH)3, Boehmite and Diaspore AlO(OH))
sedimentary
Cupronickel Coin
Copper-Nickel Alloy (typically 75% Cu, 25% Ni)
anthropic metallic specimen
Diamond
Carbon (C)
mineral
Diamond (Colorless/White)
Carbon (C)
mineral
Beryl (Emerald Variety)
Beryllium aluminum silicate (Be3Al2Si6O18)
mineral
Diamond (in a jewelry setting)
Carbon (C)
mineral
Quartzite
Quartzite (Primary mineral: Quartz, SiO2)
metamorphic
Slag (Industrial Glass)
Anthropogenic Vitreous Slag (Post-industrial byproduct)
igneous
Sea Glass (Teal/Turquoise)
Amorphous Silica (SiO2) with trace metal oxides
Anthropogenic (Man-made material processed by nature)
Sea Glass (Turquoise/Aqua)
Amorphous Silica (SiO2) with transition metal dopants
Anthropogenic (Man-made material processed by nature)
Desert Rose (Baryte or Gypsum Rose)
Baryte (BaSO4) or Gypsum (CaSO4·2H2O)
mineral
Iron Slag
Anthropogenic pyrometallurgical residue
industrial byproduct
Quartzite with Quartz Veining
Quartzite (consisting primarily of SiO2)
metamorphic
Slag (Industrial Glass/Byproduct)
Anthropogenic Vitreous Silicate
igneous (anthropogenic)
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Corundum (Ruby variety)
Aluminium oxide (Al2O3)
mineral
Laterite
Laterite (Iron and aluminum-rich residual rock)
sedimentary
Synthetic Costume Accessory (Non-Geological)
Polyester and Acrylic Fiber (Anthropogenic polymer)
Synthetic / Man-made textile
Vanadinite
Vanadinite (Pb5(VO4)3Cl)
mineral
White Zircon
Zircon (Zirconium silicate, ZrSiO4)
mineral
Gold Nugget
Native Gold (Au)
mineral
Diamond (as set in a gold ring)
Carbon (C)
mineral
Olivine in Basalt matrix
Olivine (Magnesium Iron Silicate - (Mg, Fe)2SiO4)
igneous
Coquina
Bioclastic Limestone (composed primarily of CaCO3)
sedimentary
Pumice
Pumice (Vitreous volcanic rock)
igneous
Serpentinite
Serpentinite (composed primarily of Serpentine group minerals: (Mg,Fe)3Si2O5(OH)4)
metamorphic
Slag (Industrial Glass)
Artificial Vitreous Silicate
mineraloid (anthropogenic)
Gold-Bearing Quartz
Silicon Dioxide with Native Gold (SiO2 + Au)
mineral
Bismuth Crystal
Bismuth (Bi)
mineral
Orange Calcite with Siderite/Iron Oxide Coating
Calcium Carbonate (CaCO3)
mineral
Serpentinite
Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4
metamorphic
Serpentinite
Serpentinite (complex silicate of magnesium, (Mg,Fe,Ni,Al,Zn,Mn)2-3(Si,Al,Fe)2O5(OH)4)
metamorphic
Slag Glass
Glassy Silicate Residue
industrial byproduct
Sandstone (Ferruginous)
Arenite (primarily SiO2 with Fe2O3 inclusions)
sedimentary
Native Copper (in coinage alloy)
Copper (Cu)
mineral
Greenstone
Greenschist (composed of actinolite, chlorite, and epidote)
metamorphic