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Most metal borides are hard; [41] however, a few stand out among them for their particularly high hardnesses (for example, WB 4, [42] [43] RuB 2, OsB 2 and ReB 2). These metal borides are still metals and not semiconductors or insulators (as indicated by their high electronic density of states at the Fermi Level ); however, the additional ...
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If it exists, nuclear pasta would be the strongest material in the universe. [1] Between the surface of a neutron star and the quark–gluon plasma at the core, at matter densities of 10 14 g/cm 3, nuclear attraction and Coulomb repulsion forces are of comparable magnitude.
Blueish metal, named after the game it features in; also commonly called 'rune'. In earlier versions of the game and the Old School game, it is the toughest workable metal, [73] and in the main game it is both the strongest workable metal in the free-to-play version, as well as being the main ingredient in the Elder Rune metal. [74]
As with all of the platinum-group metals, osmium can be found naturally in alloys with nickel or copper. [ 56 ] Within Earth's crust, osmium, like iridium, is found at highest concentrations in three types of geologic structure: igneous deposits (crustal intrusions from below), impact craters , and deposits reworked from one of the former ...
Transparent real-life aluminum compounds or aluminum metal. An aluminum windowpane "of glass-like transparency" was reported from Germany in 1933. [1] Corundum (Al 2 O 3) is transparent and is widely used in commercial and industrial settings. It has a hardness of 9 Mohs, making it the third hardest mineral after diamond and moissanite.
Adamantium is a fictional metal alloy, most famously appearing in American comic books published by Marvel Comics. It is best known as the substance bonded to the character Wolverine's skeleton and claws.
The metal is highly resistant to corrosion by acids: at temperatures below 150 °C tantalum is almost completely immune to attack by the normally aggressive aqua regia. It can be dissolved with hydrofluoric acid or acidic solutions containing the fluoride ion and sulfur trioxide , as well as with molten potassium hydroxide .