Opalite (Man-made Glass)
Synthetic Silicon Dioxide Glass (SiO2 + metal oxides)
Synthetic Mineral Simulant / Glass
Category
Man Made Material (Anthro Lithic Product)
Browse man made material (anthro lithic product) specimens identified by the Rock Identifier community.
Learn about Man Made Material (Anthro Lithic Product) in the encyclopedia
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Opalite
Synthetic Opalized Glass (SiO2 + additives)
mineraloid (man-made)
Opalite
Synthetic Silicon Dioxide (SiO2)
mineral
Slag Glass
Anthropogenic Amorphous Silicon Dioxide
mineral
Metal Chain Belt with Square Plates
Not applicable (man-made)
Man-made Object (Metalwork)
Man-made Synthetic Material (Not a rock or mineral)
Polyester (Polyethylene terephthalate) / Faux Fur
Synthetic / Textile
Diamond (or Simulant)
Carbon (C) or relevant simulant formula (e.g., ZrO2 for Cubic Zirconia)
gemstone
Sea Glass
Man-made vitreous material
mineral
Hematite Beads
Hematite (Fe2O3)
Mineral
Quartzite (Engineered Stone)
Silicon Dioxide (SiO2) based synthetic composite
metamorphic
Opalite
Synthetic Glass (Simulated Moonstone/Opal)
gemstone
Concrete Fragment
Artificial Conglomerate (Cement and Aggregate)
sedimentary
Sea Glass
Man-made silicate glass (Amorphous silicon dioxide)
mineral
Rose Quartz and Cherry Quartz (Dyed Glass/Quartz)
Silicon Dioxide (SiO2) with inclusions/dye
gemstone
Goldstone
Aventurine Glass (Man-made)
mineral
Chert (possibly a worked stone flake)
Microcrystalline quartz, SiO₂
sedimentary
Blue crystal pendant (likely blue glass or synthetic crystal)
Not identifiable from the image; possibly synthetic quartz or glass, rather than a natural mineral
gemstone
Clear quartz crystal (likely)
Quartz, silicon dioxide (SiO₂)
mineral
Synthetic Resin Charm (Seal Shape)
Polymer Resin with plastic glitter / Polyethylene terephthalate glitters
Synthetic material (Not a rock or mineral)
Exposed Aggregate Concrete (Pea Gravel)
Concrete with Siliceous Alluvial Gravels
sedimentary (man-made conglomerate)
Ring with an Orange Inlay
N/A (Man-made object)
Man-made Object (Ring)
Not a geological specimen
N/A (man-made object)
N/A
Sea Glass
Amorphous silicon dioxide (Man-made glass weathered by nature)
mineral
Concrete Fragment
Hardened Portland cement and mineral aggregate
sedimentary (anthropogenic)
Slag Glass (Cullet)
Amorphous Silica (man-made), primarily SiO2 with trace metal oxides
Mineraloid / Synthetic Glass
Cullet Glass (Slag Glass)
Amorphous Silicon Dioxide (SiO2) with metallic oxide impurities
mineraloid
Slag (Industrial Byproduct)
Artificial silicate/iron byproduct
Mineral description (Anthropogenic material)
Concrete
Anthropogenic Conglomerate
sedimentary
Asphalt (Road Aggregate)
Bituminous conglomerate
sedimentary
Concrete Rubble with Aggregate
Hardened Portland Cement Paste with Coarse Aggregate
Anthropogenic (Man-made)
Asphalt Concrete
Bituminous conglomerate
sedimentary
Asphalt / Road Aggregate
Bituminous Conglomerate (synthetic)
sedimentary
Chert (Arrowhead/Artifact Fragment)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Opalite
Synthetic Opalized Glass
gemstone
Sandstone (lithic wacke/conglomerate mix)
Clastic Sedimentary Rock (SiO2 with lithic fragments)
sedimentary
Asphalt Concrete (Bituminous Conglomerate)
Anthropogenic Bituminous Conglomerate
sedimentary
Green glass sphere/marble
Soda-lime glass (primarily SiO2, Na2O, CaO)
Man-made object (Simulant)
Concrete with Aggregate
Artificial Conglomerate (Cement and Aggregate)
sedimentary
Blue Goldstone
Auraventurine (Synthetic glass with cobalt and copper inclusions)
Synthetic (Man-made Glass)
Blue-green faceted gemstone, possibly glass or synthetic material
Not identifiable from the image; possible synthetic spinel or glass
gemstone
Asphalt Concrete (Bituminous Pavement)
Aggregates in Bitumen Matrix
Technogenic / Anthropogenic Pavement Material
ABS Plastic (Acrylonitrile Butadiene Styrene)
(C8H8)x·(C4H6)y·(C3H3N)z
Synthetic Polymer (Synthetic Material)