Rainbow Hematite (Titanium Coated)
Iron(III) oxide (Fe2O3) with Titanium/Metal Oxide coating
mineral
Category
Man Made Material (Simulated Mineral)
Browse man made material (simulated mineral) specimens identified by the Rock Identifier community.
Learn about Man Made Material (Simulated Mineral) in the encyclopedia
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Cullet (Slag Glass)
Amorphous Silica (Industrial byproduct)
mineraloid
Man-made Metal Pin (Non-geological)
Antimony-Lead Alloy or Zinc/Brass Base with Electroplating
Metal Alloy / Manufactured Artifact
Clear quartz sphere
Quartz (silicon dioxide, SiO₂)
mineral
Man-made earbud charging case (Not a rock or mineral)
Acrylonitrile Butadiene Styrene (ABS) Plastic with electronic components
Synthetic/Man-made object
Boxwork or Septarian Concretion
Septarian nodule / Boxwork weathering
sedimentary
Slag
Metallurgical Slag
igneous
Blue chalcedony (likely dyed or treated)
Microcrystalline quartz, SiO₂ (chalcedony)
gemstone
Likely polished quartz or glass-like mineral cabochon
Probably quartz (SiO₂), though the image cannot exclude man-made glass
mineral
Rock crystal quartz fragments
Quartz (silicon dioxide, SiO₂)
mineral
Mystic Topaz
Aluminum Silicate Fluoride Hydroxide (Al2SiO4(F,OH)2) with metallic film coating
mineral
Tumbled opalite (likely synthetic glass)
Opalite; typically man-made opalescent soda-lime glass, not a recognized mineral species
gemstone
Opalite
Synthetic Opalized Glass (SiO2 + additives)
mineraloid (man-made)
Green Aventurine
Silicon Dioxide (Quartz with Fuchsite inclusions), SiO2
metamorphic
Green glass cabochon or tumbled stone
Indeterminate; likely man-made glass, possibly aventurine glass rather than a natural mineral
mineral
Blue Cracked Quartz (Dyed Fire Crackle Quartz)
Silicon Dioxide (SiO2) with synthetic dye
mineral
Pink Quartz / Sea Glass
Silicon Dioxide (SiO2)
mineral
Clear quartz crystal (likely)
Quartz, silicon dioxide (SiO₂)
mineral
Cubic Zirconia (Jewelry Setting)
Cubic Zirconia (ZrO2)
gemstone
Iron Slag
Iron/Steel Slag (Ferrosilicate Glass)
industrial byproduct (anthropogenic material)
Tumbled milky quartz pebble
Quartz (silicon dioxide, SiO₂)
mineral
Sea Glass
Man-made silicate glass (Amorphous silicon dioxide)
sedimentary
Aqua Aura Quartz
Silicon Dioxide (SiO2) bonded with Gold (Au)
mineral (treated)
Glass / Silicon Dioxide (Man-made)
SiO2 (Amorphous Silicon Dioxide)
Amorphous Solid
Opalite
Man-made opalescent glass (SiO2 + metal oxides)
mineral (synthetic)
Blue Glass or Slag Glass
Amorphous Silica (Anthropogenic Glass)
mineral
Diamond (or Cubic Zirconia)
Carbon (C) or Zirconium Dioxide (ZrO2)
mineral
Green sea glass (likely bottle glass)
Man-made soda-lime silicate glass; not a natural mineral
mineral
Conglomerate
Clastic Sedimentary Rock (Conglomerate)
sedimentary
Brick
Fired clay or Ceramic material (no specific mineralogical scientific name as it's a composite)
Man-made material (constructed)
Quartz (likely milky quartz or quartz glass-like fragment)
Quartz, silicon dioxide (SiO₂)
mineral
Polished dendritic agate or jasper
Microcrystalline quartz (SiO₂), likely chalcedony with iron/manganese dendrites
mineral
Strawberry Quartz
Silicon Dioxide (SiO2) with Hematite/Goethite inclusions
mineral
Black tumbled stone, possibly obsidian
Obsidian (volcanic glass; predominantly SiO₂), identification uncertain from image
igneous
Ferrochrome Slag
Anthropogenic slag (Fe-Cr alloy waste)
industrial byproduct
Goldstone
Man-made glass infused with metallic copper
gemstone
Opalite
Man-made Glass (Synthetic Opalized Glass)
gemstone
Sea Glass
Man-made silicate glass weathering product
sedimentary
Quartz crystal (likely clear quartz)
Quartz, silicon dioxide (SiO₂)
mineral
Diamond (in a gold ring)
Diamond (pure carbon, C)
mineral
Blue Sandstone
Man-made glass with cobalt and copper inclusions
gemstone
Goldstone
Man-made glass containing cuprous oxide
gemstone