Opalite
Man-made Glass (SiO2 + additives)
mineraloid (synthetic)
Category
Man Made Material (Anthropogenic 'Mineraloid')
Browse man made material (anthropogenic 'mineraloid') specimens identified by the Rock Identifier community.
Learn about Man Made Material (Anthropogenic 'Mineraloid') in the encyclopedia
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Slag Glass
Anthropogenic Amorphous Silicon Dioxide
mineral
Asphalt (Bituminous pavement)
Bituminous concrete / Asphalt
Sedimentary (Anthropogenic)
Titanium Aura Quartz (Bismuth-coated Druzy)
Silicon Dioxide (SiO2) with Titanium/Metal vapor coating
mineral
Cullet Glass (Slag)
Amorphous Silicon Dioxide (Man-made)
Mineraloid
Asphalt (Road Aggregate)
Asphalt concrete / Bituminous mixture
anthropogenic sedimentary (technolith)
Note on Image Identification: Textile
N/A (Anthropogenic material)
not a rock
Blue Glass or Slag Glass
Amorphous Silica (Anthropogenic Glass)
mineral
Ferruginous Conglomerate (or Iron-Rich Concrete/Slag)
Clastic Sedimentary (Silicon Dioxide/Iron Oxide matrix)
sedimentary
Slag (Industrial Byproduct)
Artificial silicate/iron byproduct
Mineral description (Anthropogenic material)
Blue Slag Glass
Man-made Silicon Dioxide (Amorphous)
Anthropogenic (Man-made)
Man-made Slag (Industrial Byproduct)
Anthropogenic Glassy Residue
not a natural rock
Slag Glass (Leland Blue variant)
Anthropogenic Vitreous Silicate
mineral
Obsidian (likely black volcanic glass)
Obsidian; primarily amorphous volcanic silica glass, approximately SiO₂-rich rhyolitic composition
igneous
Opalite
Synthetic Glass (Amorphized Silicon Dioxide)
mineraloid
Opalite
Synthetic Glass (Silica-based)
gemstone
Cullet (Slag Glass)
Amorphous Silica (Industrial byproduct)
mineraloid
Dragon's Breath (Mexican Opal Glass)
Artisan Foil Glass (SiO2 based)
mineraloid
Asphalt Concrete (Bituminous Pavement)
Aggregates in Bitumen Matrix
Technogenic / Anthropogenic Pavement Material
Opaline Glass (Opalite)
Synthetic Silicon Dioxide Glass
Mineraloid (Man-made)
Artisanal Glass Beads (Simulated Goldstone or Aventurine Glass)
Silicon Dioxide (SiO2) with metallic inclusions
man-made material
Sea Glass
Amorphous Silicon Dioxide (Man-made glass weathered by nature)
mineral
Opalite
Man-made Glass (Synthetic Opalized Glass)
gemstone
Sandstone-based Concrete Fragment
Cementitious Composite with Sedimentary Aggregate
sedimentary (man-made/anthropogenic)
Ferrochrome Slag
Anthropogenic slag (Fe-Cr alloy waste)
industrial byproduct
Concrete
Hydrated Portland Cement Aggregate Composite
Anthropogenic Sedimentary (Man-made)
Cullet Glass / Slag Glass
Amorphous silica glass
man-made glass / industrial byproduct
Asphalt (Bituminous Concrete)
Bituminous mix containing aggregates and petroleum-based binder (CnH2n+2)
not a rock (anthropogenic material/technofossil)
Cullet Glass (Man-made Glass Slag)
Amorphous Silica (SiO2) with chemical additives
Mineraloid
Cobalt Glass Slug (Cullet)
Man-made Silicate Glass with Cobalt Oxide (CoO)
mineraloid
N/A - Non-Geological Item
not a rock/mineral
Slag
Metallurgical by-product
Anthropogenic (Man-made material)
Opalite
Synthetic glass / Opalized glass
gemstone
Slag (Industrial Glass)
Anthropogenic Amorphous Vitreous Silicate
mineraloid
Transit Token (RTD Denver)
Nickel-plated brass or bronze alloy (Cu-Sn-Zn-Ni)
not a rock or mineral (anthropogenic material)
Metal Chain Belt with Square Plates
Not applicable (man-made)
Man-made Object (Metalwork)
Diamond (or Simulant)
Carbon (C) or relevant simulant formula (e.g., ZrO2 for Cubic Zirconia)
gemstone
Opalite (Synthetic Moonstone/Opal)
Synthetic Silica Glass
mineraloid (synthetic)
Sea Glass (specifically Frosted White)
Amorphous Silica (substance: Sodium-calcium silicate glass)
Mineraloid (Anthropogenic/Man-made rock)
Asphalt (Road Aggregate)
Bituminous Conglomerate / Asphalt Concrete
Anthropogenic (Man-made)
Sea Glass
Man-made vitreous material
mineral
Opalite
Synthetic glass (SiO2 + metal additions)
mineraloid