Sea Glass (Kelly Green)
Amorphous Silica (Silicon Dioxide with Iron/Chromium additives)
Category
Browse anthropogenic specimen (man made material) specimens identified by the Rock Identifier community.
Sea Glass (Kelly Green)
Amorphous Silica (Silicon Dioxide with Iron/Chromium additives)
Asphalt Concrete (Bituminous Conglomerate)
Anthropogenic Bituminous Conglomerate
Concrete with Exposed Aggregate
Anthropogenic conglomerate (Concrete)
Concrete / Anthropogenic Conglomerate
Man-made composite material (Portland cement, aggregate, and water)
Lava Rock with Fabric Impression
Scoria or Basalt with anthropogenic impressions
Concrete Rubble with Aggregate
Hardened Portland Cement Paste with Coarse Aggregate
Slag (Industrial Byproduct)
Artificial silicate/iron byproduct
Iron Slag (Industrial Byproduct)
Anthropogenic Vitrification Product/Ferrous Slag
Asphalt (Road Aggregate)
Asphalt concrete / Bituminous mixture
Concrete
Anthropogenic Sedimentary Rock (Hydrated Calcium Silicate)
Concrete / Conglomerate (Man-made)
Artificial Conglomerate (Cementitious Composite)
Slag
Glassy silicate byproduct (anthropogenic material)
Note on Image Identification: Textile
N/A (Anthropogenic material)
Slag
Anthropogenic glassy silicate
Titanium Aura Quartz (Bismuth-coated Druzy)
Silicon Dioxide (SiO2) with Titanium/Metal vapor coating
Ferruginous Conglomerate (or Iron-Rich Concrete/Slag)
Clastic Sedimentary (Silicon Dioxide/Iron Oxide matrix)
Asphalt Concrete (Bituminous Pavement)
Aggregates in Bitumen Matrix
Stainless Steel (Polished)
Ferrous Alloy containing Iron (Fe), Chromium (Cr), and Carbon (C)
Concrete
Hydrated Portland Cement Aggregate Composite
Sandstone-based Concrete Fragment
Cementitious Composite with Sedimentary Aggregate
Asphalt (Bituminous Concrete)
Bituminous mix containing aggregates and petroleum-based binder (CnH2n+2)
Aluminum Slag
Anthropogenic Aluminum (Al)
Concrete
Anthropogenic Sedimentary Conglomerate (Cement mixture: typically Ca2SiO4, Ca3SiO5, Ca3Al2O6)
Aluminum Slag
Anthropogenic Aluminum (Al)
N/A - Non-Geological Item
Cullet (Slag Glass)
Amorphous Silica (SiO2) with various metal oxide colorants
Chert (specifically Flint Arrowhead)
Silicon dioxide (SiO2) - Microcrystalline Quartz
Concrete with Aggregate
Composite construction material; primary matrix is Calcium Silicate Hydrate (C-S-H)
Concrete Fragment
Hardened Portland Cement Composite
Asphalt (Bituminous pavement)
Bituminous concrete / Asphalt
Ferro-slag (Leland Blue/Slag Glass)
Anthropogenic Vitreous Silica (Industrial Slag)
Metal Chain Belt with Square Plates
Not applicable (man-made)
Exposed Aggregate Concrete (Pea Gravel)
Concrete with Siliceous Alluvial Gravels
Not a geological specimen
N/A (man-made object)
Asphalt Concrete
Bituminous Concrete / Asphaltic Composite
Green Slag
Anthropogenic Silicate Glass
Fired Clay Brick (Anthropic Rock substitute)
Anthropogenic polycrystalline ceramic (predominantly Mullite and Quartz: Al6Si2O13 + SiO2)
Man-made Slag (Industrial Byproduct)
Anthropogenic Glassy Residue
Asphalt (Road Aggregate)
Bituminous Conglomerate / Asphalt Concrete
Asphalt / Road Aggregate
Bituminous Conglomerate (synthetic)
Synthetic Resin Charm (Seal Shape)
Polymer Resin with plastic glitter / Polyethylene terephthalate glitters
Metal Chain (Likely Steel or a Steel Alloy)
Steel (primarily iron and carbon); specific alloy unknown