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  2. List of fictional elements, materials, isotopes and subatomic ...

    en.wikipedia.org/wiki/List_of_fictional_elements...

    Each level of the game takes place on a space dreadnought named after a different metal. The last level is named after the fictional element uridium. The cassette inlay card says the name was created by one of the game developers who thought uridium really existed. [86] (Not to be confused with real element iridium.) Uru Marvel Comics

  3. List of minerals - Wikipedia

    en.wikipedia.org/wiki/List_of_minerals

    This is a list of minerals which have Wikipedia articles. Minerals are distinguished by various chemical and physical properties. Differences in chemical composition and crystal structure distinguish the various species .

  4. List of diamond mines - Wikipedia

    en.wikipedia.org/wiki/List_of_diamond_mines

    There are a limited number of commercially available diamond mines currently operating in the world, with the 50 largest mines accounting for approximately 90% of global supply. [1] Diamonds are also mined alluvially over disperse areas, where diamonds have been eroded out of the ground, deposited, and concentrated by water or weather action.

  5. List of diamonds - Wikipedia

    en.wikipedia.org/wiki/List_of_diamonds

    Discovered in 2015, it is the 5th largest diamond ever discovered at the Crater of Diamonds State Park, Arkansas Identified as a Type IIa crystal, the 8.52 carat diamond was cut and polished by Mike Botha into a custom-designed 4.605 carat Triolette shape during a week long event in North Little Rock and was graded a D IF, 0 Polish & 0 Symmetry ...

  6. Diamond type - Wikipedia

    en.wikipedia.org/wiki/Diamond_type

    Diamonds are separated into five types: Type IaA, Type IaB, Type Ib, Type IIa, and Type IIb. The impurities measured are at the atomic level within the crystal lattice of carbon atoms and so, unlike inclusions, require an infrared spectrometer to detect. [1] Different diamond types react in different ways to diamond enhancement techniques

  7. List of gemstones by species - Wikipedia

    en.wikipedia.org/wiki/List_of_gemstones_by_species

    Help; Learn to edit; Community portal; Recent changes; Upload file; Special pages

  8. Hierarchy of precious substances - Wikipedia

    en.wikipedia.org/wiki/Hierarchy_of_precious...

    Wedding anniversaries extend the jubilee hierarchy with various sequences of substances filling in many of the gaps between the same major milestones. In 2017 the 65th anniversary of the accession of Elizabeth II was widely referred to as her "sapphire jubilee" or more specifically as her blue sapphire jubilee (see Sapphire Jubilee of Queen Elizabeth II) [1] but more traditionally the sapphire ...

  9. Redstone - Wikipedia

    en.wikipedia.org/wiki/Redstone

    Redstone, a fictional mineral in the video game Minecraft; Redstone, a fictional mineral in the video game Savage: The Battle for Newerth; Redstone, a fictional mineral classification in the video game Final Fantasy XV