Sea Glass
Amorphous Silicon Dioxide (Man-made glass weathered by nature)
mineral
Category
Anthropogenic (Man Made Product Subject To Geological Processes)
Browse anthropogenic (man made product subject to geological processes) specimens identified by the Rock Identifier community.
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Green Sea Glass
Man-made silicate glass (weathered)
sedimentary
Titanium-Coated Hematite (Aura Hematite)
Titanium-bonded Hematite (Fe2O3 with a Ti coating)
mineral
Sea Glass (specifically Frosted White)
Amorphous Silica (substance: Sodium-calcium silicate glass)
Mineraloid (Anthropogenic/Man-made rock)
Crackled Quartz (Dyed)
Silicon Dioxide (SiO2)
mineral
Blue Goldstone
Aventurine Glass (Silicon Dioxide infused with Cobalt/Copper)
Synthetic (Man-made Glass)
Opalite
Synthetic Glass (Simulated Moonstone/Opal)
gemstone
Quartzite
Metamorphic Quartzite (SiO2)
metamorphic
Opalite
Synthetic Opalized Glass / Man-made Glass
gemstone
Opaline Glass (Opalite)
Synthetic Silicon Dioxide Glass
Mineraloid (Man-made)
Opalite
Man-made Synthetic Glass (Silicon Dioxide with metal additives)
mineral
Cullet Glass (Slag Glass)
Amorphous Silicon Dioxide (SiO2) with metallic oxide impurities
mineraloid
Synthetic Resin / Plastic Figurine
Synthetic Polymer (Copolymer of Polyethylene or Resin)
Mineraloid-like Synthetic Material
Ferro-silicate Slag
Industrial Vitrified Slag (High-silica amorphous glass)
Mineral byproduct (Anthropogenic)
Chert Arrowhead
Cryptocrystalline Quartz (SiO2)
sedimentary
Aura Quartz (specifically Titanium Aura Quartz)
Titanium-coated Silicon Dioxide (SiO2 + Ti Coating)
mineral
Slag Glass
Amorphous Silicate (Man-made)
industrial byproduct
Mohave Turquoise (Composite/Stabilized)
Hydrated copper aluminium phosphate (CuAl6(PO4)4(OH)8·4H2O) with stabilizing resin and metallic inclusions
mineral
Slag (Anthropogenic Glass/Iron byproduct)
Ferro-silicate Slag
Anthropogenic (Man-made)
Opalite
Synthetic Opalized Glass
gemstone
Slag (Industrial By-product)
Anthropogenic Vitreous Silica/Iron Silicate
mineral
Green Slag Glass
Amorphous Silicon Dioxide (with metallic impurities)
Igneous (Anthropogenic)
Concrete with Aggregate
Composite construction material; primary matrix is Calcium Silicate Hydrate (C-S-H)
anthropogenic (human-made) sedimentary-like material
Titanium Aura Quartz
Titanium-coated Silicon Dioxide (SiO2)
gemstone
Costume Jewelry with Synthetic Gemstones
Synthetic Cubic Zirconia and Glass (SiO2 / ZrO2)
mineral
Titanium Aura Quartz
Titanium bonded Silicon Dioxide (SiO2 + Ti)
mineral
Slag (Industrial Byproduct)
Artificial silicate/iron byproduct
Mineral description (Anthropogenic material)
Opalite
Opalescent Glass (SiO2 + coloring agents)
Mineral (Synthetic/Man-made)
Sea Glass
Amorphous Silica (Anthropogenic glass) - SiO2
mineral
Cubic Zirconia (Jewelry Setting)
Cubic Zirconia (ZrO2)
gemstone
Ceramic or Polished Stone Heart (Anthropogenic Material)
Glazed Ceramic (Silicon Dioxide based coating on Alumina Silicate body) or Polished Limestone/Marble (Calcium Carbonate, CaCO3)
Synthetic/Anthropogenic Mineraloid
Pyrite in Quartz (Drill Core)
Silicon Dioxide (SiO2) with Iron Sulfide (FeS2) inclusions
igneous/metamorphic (hydrothermal)
Glass
Amorphous Silicon Dioxide (SiO2)
mineraloid
Quartz (Engineered Stone Countertop)
Silicon Dioxide (SiO2) with polymer resins
Sedimentary-like (Industrial Composite)
Rainbow Hematite Ring
Iron(III) oxide (Fe2O3) with thin-film coating
mineral
Ironstone Concretion (Pot Stone)
Siderite or Limonite Concretion (FeCO3 or FeO(OH)·nH2O)
sedimentary
Asphalt Concrete (Bituminous Pavement)
Aggregates in Bitumen Matrix
Technogenic / Anthropogenic Pavement Material
Exposed Aggregate Concrete (Pea Gravel)
Concrete with Siliceous Alluvial Gravels
sedimentary (man-made conglomerate)
Ferrous Slag (Iron Smelting By-product)
Fused Siliceous Slag
Anthropogenic Material (Man-made Rock)
Rose Quartz and Cherry Quartz (Dyed Glass/Quartz)
Silicon Dioxide (SiO2) with inclusions/dye
gemstone
Sea Glass
Man-made silicate glass (Amorphous silicon dioxide)
mineral
Likely iron-rich rock or weathered metallic mineral fragment
Uncertain; possibly limonite/goethite or iron-bearing slag
mineral