Asphalt Concrete (Bituminous Pavement)
Aggregates in Bitumen Matrix
Technogenic / Anthropogenic Pavement Material
Category
Mineraloid (Man Made Glass)
Browse mineraloid (man made glass) specimens identified by the Rock Identifier community.
Learn about Mineraloid (Man Made Glass) in the encyclopedia
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Slag
Glassy silicate byproduct (anthropogenic material)
industrial byproduct
Aluminum Slag
Anthropogenic Aluminum (Al)
mineral
Quartz (Engineered Stone Countertop)
Silicon Dioxide (SiO2) with polymer resins
Sedimentary-like (Industrial Composite)
Ferrochrome Slag
Anthropogenic slag (Fe-Cr alloy waste)
industrial byproduct
Goldstone (Brown/Gold variety)
Aventurine Glass (SiO2 with Copper inclusions)
Synthetic/Man-made glass (often mistaken for a mineral)
Lava Rock with Fabric Impression
Scoria or Basalt with anthropogenic impressions
igneous
Sea Glass
Man-made silicate glass (Amorphous silicon dioxide)
mineral
Raw quartz crystal
Quartz (silicon dioxide, SiO₂), likely milky or included quartz
mineral
Slag
Ferrous Slag (Amorphous calcium-magnesium-aluminum silicates)
igneous (artificial/anthropogenic)
Opalite (Man-made Glass)
Fused glass (typically made of dolomite and metal opacifiers)
Man-made Material / Glass
Fluorite (Polished Point/Tower)
Calcium Fluoride (CaF2)
mineral
Man-made Polished Porcelain Tile (Artificial Geologic Lookalike)
Fused Silicate Ceramic with Alumina (Synthetic Kaolinite derivative)
Synthetic (Ceramic)
Concrete fragment with Aggregate
Anthropogenic Concrete with Calcarious and Siliceous Aggregate
sedimentary (anthropogenic/man-made)
Concrete rubble
Anthropogenic conglomerate
sedimentary
Cubic Zirconia (Jewelry Setting)
Zirconium Dioxide (ZrO2)
gemstone
Diamond
Native Carbon (C)
mineral
Conglomerate
Conglomerate (clastic sedimentary rock)
sedimentary
Rainbow Hematite Ring
Iron(III) oxide (Fe2O3) with thin-film coating
mineral
Polymer Clay (Mock Mineral)
Polyvinyl chloride (PVC) with plasticizers and pigment
Synthetic material (Not a natural rock/mineral)
Concrete with Aggregate
Artificial Conglomerate (Cement and Aggregate)
sedimentary
Diamond / Clear Quartz / Glass paste
Carbon (Diamond) / Silicon Dioxide (Quartz)
gemstone
Cubic Zirconia (Jewelry Setting)
Cubic Zirconia (ZrO2)
gemstone
Dzi Bead (Etched Chalcedony)
Cryptocrystalline Quartz (SiO2) with chemical etching
mineral
Aluminum Slag
Anthropogenic Aluminum (Al)
mineral
Ferro-slag (Leland Blue/Slag Glass)
Anthropogenic Vitreous Silica (Industrial Slag)
igneous
Concrete fragment or Conglomerate
Artificial Conglomerate (Concrete) or Natural Conglomerate
sedimentary
Titanium Aura Quartz
Silicon Dioxide (SiO2) coated with Titanium and Niobium
mineral
Concretion with Geode Cavity
Ferruginous Sandstone Concretion with Quartz Center
sedimentary
Concrete / Anthropogenic Conglomerate
Man-made composite material (Portland cement, aggregate, and water)
not a natural rock
Libyan Desert Glass
Impact-melt silica glass (SiO2 + traces of Al, Fe, Ti)
mineral (Tektite/Impactite)
Sea Glass
Amorphous silicon dioxide (SiO2) - Man-made glass tumbled by nature
mineral
Aura Quartz
Silicon Dioxide (SiO2) with metallic vapor coating
mineral
Carborundum (Silicon Carbide)
Silicon Carbide (SiC)
mineral (synthetic)
Concrete / Conglomerate (Man-made)
Artificial Conglomerate (Cementitious Composite)
sedimentary
Slag (Industrial Glass/Glassy Rock)
Anthropogenic Vitreous Material
igneous
Dalmatian Stone
Dalmatian Jasper (a misnomer for an Aplite with Arfvedsonite spots)
igneous
Slag
Anthropogenic Vitreous Silica/Iron oxides
mineral-like byproduct
Asphalt Chunk (Bituminous Concrete)
Aggregated Bitumen / Artificial Breccia
sedimentary
Felsic Drill Core (likely Gneiss or Granite)
Felsic Metamorphic Rock (Gneissic profile)
metamorphic
Concrete with Exposed Aggregate
Anthropogenic conglomerate (Concrete)
man-made rock (sedimentary analogue)
Ironstone Concretion (Pot Stone)
Siderite or Limonite Concretion (FeCO3 or FeO(OH)·nH2O)
sedimentary