| Show Artif tele ata eads whatever may be the origin ot at the th rems of commerce whether terrestrial or meteoric it is certain that at lat one method of their formation ii is known r iron at a temper temperature stura of 8 3 OJO centigrade saturated with carbon ala cooled under high pressure yields a PO portion artion of its it carbon which crystallizes a ae a diamond the knowledge of thi this fact bai has led to experiment with hard ened cued steel which Is 1 made a under some what similar condition the metal waa was diss dissolved olred in hydrochloric acid and ww the solution wai was treated 11 wit with fi concen concentrated t ra to d nitric acid fined potassium ilum chlorate hydra hydrofluoric acid and gulp hurle acid from thia this treat ment terr very minute crystals cry ital are ob talked which exhibit all th 0 and chemical qualities cj cl nd nd in act are true diamond diamonds |
