Mineral dials anyone? Lets see them

Im a huge fan of natural mineral dials, do you have one in your collection? If not would you want one, post a pic! Pictured here is a Labradorite dial, which gives off flashes of color (labradoresence) when at certain angles, each dial completely unique 

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Beautiful dial.. the closet I have to a mineral dial is a Zelos Meteorite dial

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This is gorgeous. And would be even more stellar if one would just leave the dial un-marred by lines of text. Fine leave the logo there it‘s unobtrusive, but this is such a common occurrence that watch designers want to forego a nice clean uninterrupted aesthetic by slapping non necessary type on the palette of the dial. Put that shit on the back and leave it there. Sorry for the rant.