report dated 4.7.2014 states that on analysis by optical microspocy and x-ray diffraction studies, there is no change with respect of mineral phase, colour
reports as below-
"We have taken X-ray picture of;
(i) A pure glass (no diffraction line);
(ii) A pure crystalline material (diffraction lines ... some glassy phase is also present.
We are enclosing herewith 4 X-ray diffraction patterns."
8. This report makes a distinction between a pure
Department of Physics, University of Pune, who had carried out X-ray diffraction analysis of three samples, viz. (i) Precipiated Calcium Tungstate (ii) Natural Scheelite
been tested at the National Test House, Calcutta, by using x-ray diffraction method and had been identified to be made of graphite. On this
been tested at the National Test House, Calcutta, by using x-ray diffraction method and had been identified to be made of graphite. On this