Skip to main content
Hide Articles List

12 articles on this Page

Advertising

Swansea Harbour Trust. --

FOREIGN ARRIVALS A^P MOVEMENTS…

Local Chartering.

Advertising

T«B " AHTtf ULUC.T ...)w DA'FL.

EABLT RELIO CUREB.j

iHRIGATION IN PALESTINE.

PliMphorericem Bacteria.

Micro" Photography and Armour…

Diamonds and X-Raya.

News
Cite
Share

Diamonds and X-Raya. A diamond when exposed to the violet rayi oi fight becomes fluorescent, the most brilliant diamonds giving out a clear blue fluorescence aai less brilliant ones becoming violet. A yellow diamond submitted by Sir William Crookes to the* rays gave out a red light, and rather to the C-iiinnay Df its owners subsequently tuined a dingy brown when exposed to daylight. The brownishnea provbd, fortunately, only a temporary effect. TheM experiments have suggested to Mr. Fuchs, of Chicago, the treatment of diamonds with X-rays, and he says that he is able to bleach brownish and yellow diamonds by such means. This does not exhaust his claims regarding the possibilities of the X-ray* By directing them through various metalt and chemicals before. they penetrate the diamo; tie believos that colour can be permanently Imparted to the stone and that it will be possible to reproduce thus the famous blue of the Hops diamond or the brown of a well-known diamond In the British regalia. In view of the other experi- taents which have been mentioned, the JIliutratA Science flews extremely doubtful, however, el the permanency of Mr, Fuchs's methoug

The Myatery of the Echo