Show pitchblende lt it is to bo be remembered that there is a 3 fortune awaiting the discoverer of pitchblende pitch blend in large lare enough quantities to malce it in an object As it is as likely to occur la in one place ns as an other othel aVe of it which is bytho bythe alining and scientific pray 4 li here given IE lck Is a black granular mineral some borne timia and resembling patch though sometimes blotched with broyn brown agh a or r yellowish spots its specific gravity p is 5 to 97 and its ita ha hanhi esa it if 55 streak on porcelain kyi gray alivo livo green and dark daik brown exceedingly brittle the anost characteristic iq test is ia with the borax bead which il algreen ia grcen green becoming enamel black on flaming it is in to a solution from which a bright delaw yellow pre is thrown down wi with i anif ammonia fionia As pitchblende pitch blend ia a a of and lead with other metals it genially gen yally yields reactions for leat it octura occur in granite rocks and in metallic veino often with of ahter r lead go cobalt balt nickel iron zinc and copper |