Man-made Carved Stone (Scream Mask/Skull motif)
Carved Soapstone or Serpentine-rich rock
Category
Browse anthropogenic (man made artifact) specimens identified by the Rock Identifier community.
Man-made Carved Stone (Scream Mask/Skull motif)
Carved Soapstone or Serpentine-rich rock
Not a geological specimen
N/A (man-made object)
Chert (specifically Flint Arrowhead)
Silicon dioxide (SiO2) - Microcrystalline Quartz
Stainless Steel (Polished)
Ferrous Alloy containing Iron (Fe), Chromium (Cr), and Carbon (C)
Fired Clay Brick (Anthropic Rock substitute)
Anthropogenic polycrystalline ceramic (predominantly Mullite and Quartz: Al6Si2O13 + SiO2)
Asphalt Concrete (Bituminous Conglomerate)
Anthropogenic Bituminous Conglomerate
Aluminum Slag
Anthropogenic Aluminum (Al)
Aluminum Slag
Anthropogenic Aluminum (Al)
Concrete with Exposed Aggregate
Anthropogenic conglomerate (Concrete)
Concrete / Anthropogenic Conglomerate
Man-made composite material (Portland cement, aggregate, and water)
Slag
Anthropogenic glassy silicate
Lava Rock with Fabric Impression
Scoria or Basalt with anthropogenic impressions
Green Slag
Anthropogenic Silicate Glass
Titanium Aura Quartz (Bismuth-coated Druzy)
Silicon Dioxide (SiO2) with Titanium/Metal vapor coating
Slag
Glassy silicate byproduct (anthropogenic material)
Concrete / Conglomerate (Man-made)
Artificial Conglomerate (Cementitious Composite)
Chert (Arrowhead Preform or Point)
Chert (Microcrystalline Quartz, SiO2)
Slag Glass
Anthropogenic Amorphous Silicon Dioxide
Concretion (Sandstone)
Carbonate-cemented Sandstone Concretion
Concrete
Anthropogenic Sedimentary Conglomerate (Cement mixture: typically Ca2SiO4, Ca3SiO5, Ca3Al2O6)
Concrete
Anthropogenic Sedimentary Rock (Hydrated Calcium Silicate)
Iron Slag (Industrial Byproduct)
Anthropogenic Vitrification Product/Ferrous Slag
Cullet (Slag Glass)
Amorphous Silica (SiO2) with various metal oxide colorants
N/A - Non-Geological Item
Beads (likely glass or man-made material)
N/A (artificial material)
Concrete Rubble with Aggregate
Hardened Portland Cement Paste with Coarse Aggregate
Ferro-slag (Leland Blue/Slag Glass)
Anthropogenic Vitreous Silica (Industrial Slag)
Asphalt (Bituminous pavement)
Bituminous concrete / Asphalt
Ferrochrome Slag
Anthropogenic slag (Fe-Cr alloy waste)
Ferruginous Conglomerate (or Iron-Rich Concrete/Slag)
Clastic Sedimentary (Silicon Dioxide/Iron Oxide matrix)
Ironstone Concretion (Pot Stone)
Siderite or Limonite Concretion (FeCO3 or FeO(OH)·nH2O)
Ferrocoke or Slag
Anthropogenic pyrometallurgical residue
Man-made Slag (Industrial Byproduct)
Anthropogenic Glassy Residue
Asphalt (Road Aggregate)
Asphalt concrete / Bituminous mixture
Slag (Industrial Byproduct)
Artificial silicate/iron byproduct
Sandstone Concretion
Clastic Sedimentary Concretion (typically Quartz/Silica with Iron Oxide)
Transit Token (RTD Denver)
Nickel-plated brass or bronze alloy (Cu-Sn-Zn-Ni)
Man-made Ceramic / Clay Figurine
Aluminosilicate Ceramic (Processed Clay)
Chert (Arrowhead/Tool variety)
Microcrystalline Quartz (SiO2)
Sandstone Concretion
Septarian or Carbonate-cemented Sandstone Concretion
Asphalt Concrete (Bituminous Pavement)
Aggregates in Bitumen Matrix
Ceramic or Polished Stone Heart (Anthropogenic Material)
Glazed Ceramic (Silicon Dioxide based coating on Alumina Silicate body) or Polished Limestone/Marble (Calcium Carbonate, CaCO3)