Difference between revisions of "Tistarite"

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Revision as of 08:25, 24 June 2021

  • Pro: Titanium is common in earths crust (and in space)
  • Pro: Hardness is high
  • Con? Crystal structure is simple and unit cell is a bit big

Overall a good large scale structural base material for gemstone metamaterial technology.

  • Formula: TiO2
  • Hardness Mohs 8.5
  • Crystal system: Trigonal (the same as sapphire but different unit cell)
  • Density ~4.53g/ccm
  • Refractive index: ?? – likely quite high

Misc trivia:
Titanium is in a unusual trivalent form here
(as in grossmanite a titanium chain silicate).

Related

Other polymorphs of same formula:

External links

  • Wikipedia: Tistarite (quite limited info there as of 2021-06)
  • mineralientalas.de: Tistarite (3D structure)