| Show diamonds in india the distinguish diamonds according bordin to their color the white rank first and ate are called brahmins Brah mins the yellow are known as the dusky as V and the flawed stones as audras the diamond dealers are chiefly a race who are the chief bankers and money lenders in india these men are perfectly acquainted with the phosphorescent and electric qualities of the diamond and they are also aware of the extreme uniformity of its s afie r a V itoh rg wu un of some salt of zinc called by the natives Tute has bas pam 11 which solution has a specific gravity of 35 is ia used for the weight we test into this solution the stones submitted for examination are thrown those that float are rejected as not being in diamonds the knowing that the diamond has a specific gravity of the stones that sink are then examined the larger pieces are rubbed with a silk handkerchief to excite their electric properties and held near light ii substances as small pi pieces aces of tissue paper diamonds thus rubbed readily attract light substances r the phosphorescent qualities are brought out by exposure of the stones to sunlight ht and then taking them into a dark room where the diamonds give of a gleaming fleamin light cut stones which havo been tested as above are then examined by boys especially ally trained who zort sort them according to their color and flaws and it is very seldom that these young youngsters asters make a mi mistake is tak re so sharp are their eyes in detecting pectin flaws and shades of color the appraisement appeals elnett RC according cording to size is finally made by the seniors mining and engineering gi |
