Sapphirine (with green-blue colour at PPL and low Interference colors at XPL), cordierite (with grey interference colors at XPL) and pyroxene (with pale pink colour at PPL and with high interference colors at XPL) in a granulite from gruf massif, italian Alps. 2x (Fov 7 mm). https://t.co/smzXt228Pi
— Alexstrekeisen (@alexstrekeisen) Jun 12, 2021
via Twitter https://twitter.com/alexstrekeisen
June 12, 2021 at 05:55PM
No comments:
Post a Comment