Aura Quartz
Titanium-coated Silicon Dioxide (SiO2)
mineral
Category
Man Made
Browse man made specimens identified by the Rock Identifier community.
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Opalite
Synthetic Opalized Glass (SiO2 + additives)
mineraloid (man-made)
Sea Glass (specifically Frosted White)
Amorphous Silica (substance: Sodium-calcium silicate glass)
Mineraloid (Anthropogenic/Man-made rock)
Milky quartz
Quartz (silicon dioxide, SiO₂)
mineral
Bismuth Crystal
Bismuth (Bi)
mineral
Aura Rose Quartz
SiO2 (Silicon Dioxide with Titanium/Gold coating)
mineral
Asphalt (Bituminous Concrete)
Bituminous mix containing aggregates and petroleum-based binder (CnH2n+2)
not a rock (anthropogenic material/technofossil)
Tumbled milky quartz
Quartz — silicon dioxide (SiO₂), cryptocrystalline or microcrystalline variety possible
mineral
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)
Green Aventurine
Silicon Dioxide (SiO2) with inclusions of Fuchsite (K(Al,Cr)2AlSi3O10(OH)2)
metamorphic
Ironstone Concretion (Pot Stone)
Siderite or Limonite Concretion (FeCO3 or FeO(OH)·nH2O)
sedimentary
Crackled Quartz (Dyed)
Silicon Dioxide (SiO2)
mineral
Tumbled milky quartz
Quartz (SiO₂), cryptocrystalline-to-massive variety
mineral
Tumbled milky quartz pebble
Quartz (silicon dioxide, SiO₂), opaque-to-translucent milky variety
mineral
Tumbled black obsidian (likely)
Volcanic glass; chiefly silica-rich rhyolitic glass (SiO₂)
igneous
Concrete Fragment
Hardened Portland Cement Composite
Anthropogenic (Man-made material mimicking sedimentary rock)
Green Aventurine
SiO2 (Silicon Dioxide with Fuchsite inclusions)
mineral
Slag
Anthropogenic glassy silicate
Mineral-like byproduct
Sandstone-based Concrete Fragment
Cementitious Composite with Sedimentary Aggregate
sedimentary (man-made/anthropogenic)
Aura Quartz Geodes (Lab-Altered)
Silicon Dioxide (SiO2) with Metallic Vapor Deposition
mineral
Green sea glass (likely bottle glass)
Man-made soda–lime silicate glass; not a natural mineral
mineral
Sea Glass
Amorphous silicon dioxide (Man-made glass weathered by nature)
mineral
Red goldstone beads
Goldstone (man-made copper-bearing glass; not a natural mineral)
gemstone
Blue glassy tumbled stone, likely blue chalcedony or slag glass
Chalcedony (microcrystalline SiO₂), possibly man-made blue glass
mineral
Green sea glass (likely bottle glass)
Man-made soda-lime silicate glass; not a natural mineral
mineral
Sea Glass
Amorphous Silicon Dioxide (Man-made glass weathered by nature)
mineral
Man-made Synthetic Material (Not a rock or mineral)
Polyester (Polyethylene terephthalate) / Faux Fur
Synthetic / Textile
Man-made Synthetic Material (Costume Faux Fur)
Synthetic Polymer (Polyester/Acrylic)
not a rock
Blue Sapphire (Synthetic or Man-made Glass Imitation)
Corundum (Al2O3) if natural; Lead-glass or Spinal if synthetic
mineral
Terracotta (Man-made ceramic brick fragment)
Baked clay / High-iron ceramic (Silicate-based ceramic)
Anthropogenic material (Man-made sedimentary mimic)
Opalite
Synthetic opalescent glass
glass
Asphalt (Bituminous Pavement)
Bituminous mix (Aggregates with Bitumen binder)
sedimentary
Aqua Aura Quartz
Silicon Dioxide (SiO2) bonded with Gold (Au)
mineral (treated)
Glass
Amorphous Silicon Dioxide (SiO2)
mineraloid
Goldstone
Aventurine glass
mineral (man-made glass)
Blue Impression Jasper beads
Impression jasper (microcrystalline quartz/chalcedony), chiefly SiO₂, with iron-oxide and other mineral inclusions
gemstone
Opalite
Synthetic Glass (Hydrated Silica Simulant)
mineral
Painted River Rock
Artificially Coated Sedimentary Rock
sedimentary
Titanium Aura Quartz (Bismuth-coated Druzy)
Silicon Dioxide (SiO2) with Titanium/Metal vapor coating
mineral
Opalite
Synthetic Opalised Glass
mineral