Synthetic Costume Glove (Paws)
Polyethylene terephthalate (Polyester) & Polyurethane blend
Non-geological / Man-made textile
Category
Mineraloid Like Synthetic Material
Browse mineraloid like synthetic material specimens identified by the Rock Identifier community.
Learn about Mineraloid Like Synthetic Material in the encyclopedia
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Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Obsidian
Obsidian (volcanic glass)
Igneous
Ruby
Corundum (Al2O3 with Chromium traces)
mineral
Obsidian
Volcanic Glass (Amorphous SiO2)
igneous
Lapis Lazuli
Lazurite-rich metamorphic rock (approx. Na6Ca2(Al6Si6O24)(S,SO4,Cl)1,2)
metamorphic
Lapis Lazuli
Lapis lazuli (complex rock; primarily Lazurite: (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2)
metamorphic
Probable amber fragment
Amber (fossilized plant resin; chiefly amorphous organic resin, commonly dominated by succinite)
gemstone
Obsidian
Volcanic Glass (comprised primarily of SiO2)
Igneous
Plastic Building Toy (Lego-style piece)
Acrylonitrile Butadiene Styrene (ABS)
not a rock/mineral
Diamond
Carbon (C)
mineral
Painted Rock
Weathered Sedimentary Rock (Painted)
sedimentary
Painted River Rock
Painted Quartzite or Smooth Siltstone
sedimentary
Ruby / Red Corundum
Al2O3 (Aluminum Oxide with Chromium trace)
gemstone
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Ruby (Faceted)
Corundum (Al2O3 with Cr trace elements)
gemstone
Jadeite and Mixed Gemstones (Ruby, Sapphire, Emerald)
Jadeite (NaAlSi2O6), Corundum (Al2O3), Beryl (Be3Al2(Si6O18))
mineral
Mahogany Obsidian
Volcanic Glass (SiO2 with Fe/Mg oxides)
igneous
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
White Opal
Hydrated Silica (SiO2·nH2O)
mineral
Obsidian
Obsidian (principally SiO2 with MgO and Fe3O4)
igneous
Emerald
Beryl (Be3Al2(SiO3)6)
gemstone
Rutilated Quartz
SiO2 with TiO2 inclusions (Rutile)
Mineral
White Opal (Common)
Hydrated Silica (SiO2·nH2O)
mineral
Dyed Quartz Pendant
Silicon Dioxide (SiO2) with artificial dye
mineral
Limonite (Yellow Ochre)
Limonite (an amorphous mixture of hydrated iron oxides, primarily FeO(OH)·nH2O)
mineral
Strawberry Quartz (or Rose Quartz / Cherry Quartz)
Silicon Dioxide (SiO2) with Lepidocrocite, Hematite, or Goethite inclusions
mineral
Dyed Blue Agate
Silicon Dioxide (SiO2) - Microcrystalline Quartz
mineral
Ruby
Corundum (Al2O3 with Chromium trace elements)
mineral
Obsidian
Volcanic glass (Amorphous silicon dioxide)
igneous
Obsidian
Volcanic Glass (Amorphous Silicon Dioxide)
igneous
![Sodium Polyacrylate (Superabsorbent Polymer) (Sodium Polyacrylate [-CH2-CH(COONa)-]n) — mineral (synthetic)](https://media.rockidentification.com/826c0c25-9fc0-4529-9425-5fa125f2a82f-thumbnail.jpg)
Sodium Polyacrylate (Superabsorbent Polymer)
Sodium Polyacrylate [-CH2-CH(COONa)-]n
mineral (synthetic)
Obsidian
Volcanic glass
igneous
Limonite with Quartz (Gossan)
Hydrated iron(III) oxide-hydroxide mixture (FeO(OH)·nH2O) with Silicon Dioxide (SiO2)
Mineral
Polymer Clay (Mock Mineral)
Polyvinyl chloride (PVC) with plasticizers and pigment
Synthetic material (Not a natural rock/mineral)
Cubic Zirconia (Simulated Diamond)
Zirconium Dioxide (ZrO2)
mineral (synthetic)
Iolite (Cordierite)
Cordierite (Magnesium Aluminum Silicate), Mg2Al4Si5O18
Mineral
Turquoise cabochon jewelry
Turquoise, hydrated copper–aluminum phosphate: CuAl₆(PO₄)₄(OH)₈·4H₂O
gemstone
Rough Emerald (Beryl)
Emerald (Be3Al2(SiO3)6 with Cr/V impurities)
mineral
Pearl
Organic Mineraloid (CaCO3 + Conchiolin)
mineral
Diamond
Natural Diamond (Carbon, C)
gemstone
Note: Item is a Synthetic/Man-made Object
Titanium-coated Stainless Steel (Fe-Cr-Ni-Ti)
Non-geological