Show ita r diamonds aj giamondi Iia a have been objects of in ii 1 teres L bolli to tile ancients as ai well ell as allej tu cy arli aro at all present to all classes but I 1 more especially to lo scientists and sa I 1 to whom even up to thu percsell pr csell they arc amy a mystery us its to their origin or formation though I 1 known to be composed of pure carbon pliny as a ft ell at ai other ancient writ writena wr itera erg seems to have ean been imn ignorant 7 orant as to their characteristics beir being imbued i I 1 M willi moro more superstitious ideas than a true line practical knowledg knowledge ge or estimate of their ot of resistance believing they could only be by a previous bath of goats costs blood persians rive give I 1 special veneration to the llie diamond 0 owing bifi a to their belief that they fell from the heavens at the earliest creation of ilia lie world others attribute them to a of celestial fitial origin in as di ie r olilea possessing posses sing electric light others again believe them of vegetable origin orf gin it as same are found w etli wati water cavities niso also vegetable as 39 welt well is as anin animal al matter embedded in them workers in a them acm heern to have a more true and practical knowledge led yo of them and feel convinced they ire arc more inore of a volcanic origin aai their surmises nifty be cori correct act by y the be recent disco discovery in south africa where c most of the supply is if derived from tie the bed or mo raguth uth oi of an crater also antho the discovery within the hie past half century of its sister gom gem called carbonate which to an inexperienced eye in some c of its formation h has the outward appearance of crystals of emery and when broken brokell looks like fractured hardened steel again in other stages the tip appearance pe arance of porous lava tint but even to the worker as well as the scientist their progressive dessive ame age of fori formation nation is still a mystery it is impossible to say ay whether the above is an all old or young 11 diamond b being cufr an opaque e coal combination ill illion of minute gray ay cristali cry crys stala tali compressed together by some natural force into inlo such a dense form and temper as to make its sister lamellar and transparent acra gem subject to its attrition and an all invaluable in the mechanic arts again we see tuc the diamond in its transition state of formation from carbonato carbonate to that of a granular 0 lamellar diamond flakes and then progressing 0 1 if one may so call it into t the h opaque carbona cular form forin called bort like rau rough gh molten balls baits of glass and when broken furnish fibrous splinters like asbestos which are used for drilling holes in ia jerrels etc ri foially nilly they verge into the lai nellar translucent and transparent state having a cleavage lilic like mica of geo geometrical geometria metri cal forms some ot of these crystal are arc formed with other ota octahedron hedron diamonds embedded antho in the side ide facets As to tile the uses of the diamond in various ages by different nations they are ulland prehistoric and might b be classed in their uses amon among the stone age it lias hai been conceded by modern savants savanis that they roust must have been used lit in the days of the pharaohs Phara Phar for something besides amulets at it a meeting of tile the anthropological institute of london not long since by a reading before them IV SI flinders hall had collected evidence in ia a tomb at gizell that tools booi armed with jewels bad been used in the form of solid or tubular drills us well as saws the lines in cutting stone with willi these tools leave an unmistakable trace of their workings which no do other tool does the obelisk at the F egyptian in quarries which has been lying a there for over oer years lias bas continuous spiral t grooves being of uniform uni forin depth alio showing wida tile the cutting edme edge of ft the tool was not in ii any wise anso I 1 impaired in p aired diamonds diamond 3 and different names in various ages agea 0 among nations and tribes in ili the days of 0 11 sainer sani cr or after the miraculous corking worm of that name by the emya egyptians Z or grecian adamas or adamantine and by the jews isha ome etc thin lost arts see are bein being resto restored rod to us its by scientific research canh will ond in recent years as well as the present we now flow see the diani ond advertised lit in multitudinous brandies branches of arts we had occasion in our issue of may 5 1876 to refer to diamonds and their uses sinco since which alipy have been a glowing dioning rapidly in favor for trimmin trimming a or ti it L u it aug chilled iron paper calendar find and pui celain rolls emery wheel pavlo sawing a and trimming 0 sinne horing boring t rok for tunneling and prospecting mines etc |