1) Calcium mineral 2) Cubic mineral 3) Sodium mineral
Found on
https://www.crosswordclues.com/clue/schäferite
own cutted file from Breznay family super8 film collection portrait photo Breznay Jüzsef ...
Found on
http://en.wikipedia.org/wiki/Schaferite
Schäferite is a rare vanadate mineral with chemical formula Ca2NaMg2[VO4]3. Schäferite is isometric, which means that it has three axes of equal length and 90° angles between the axes. Schäferite is isotropic, meaning that the velocity of light is the same no matter which direction the light passes through. It was named after Helmut Schäfer (...
Found on
http://en.wikipedia.org/wiki/Schäferite
No exact match found.
