Show t ax HARDER HANDIER THAN A DIAMOND 1 ik vuoeh C Xi gimotty MOTty of f N NOW kw kind at t crystal henri matteson Mol ssan the distinguished trench french chemist who created A ansa aou a fayr years so ago by producing small whito white diamonds la in his elec tilt tura ace la Is now credited with oboth another interesting achievement says say the now new york tribune this latter piece of work while perhaps not quite go BO star taing as an the other will probably prove of more practical benefit to mankind and hence a source of greater revenue to M doissan hitherto the diamond hu has been considered the hardest thing in nature the closest approach to it until recently was made by the ruby something halfway between them in this respect was waa discovered only two or three years ago by E R C acheson of pittsburg who was waa experimenting with allik electrio furnace tor for an entirely different purpose ile he too was trying to make artificial jewels and succeeded in getting a lot of small adall crystals which were neither diamonds nor rubles but were harder than the latter they were composed of sixty nine parts of silica allies and aid thirty one parts of carbon technically lytho thoi substance Bub stance la is a of silicon the discoverer to it 16 the name and I 1 la a now manufacturing about two tons ot of it dally daily at niagara falls for chemical purposes it to la used for the same purpose as emery moissant Mo Mois laBana sans new product Is carbide ot of the rare metal titanium the proper materials having been deposited in a small email crucible made of lime an electric current of large volume and low voltage Is turned on a temperature of 4 or degrees fahrenheit Is developed and then the stuff la Is allowed to cool the resulting crystals are said to bo be harder than now take the second place cornea comes next and the ruby drops to the fourth rank the carbide of titanium is as much harder than as aa is harder than emery the latter two are only good for abrasive service that la its they are employed only for grinding and polishing other very hard bard substances it is probable that carbide of titanium will have a much mor extensive use there are many rock cutting drills which consist of a tubo tuba in one edge of which are embedded brown or black diamonds M mols sans new product will be both cheaper cheap and more effi efficient elent than these it may also be substituted tor for real jewels in watches delicate balances and irs in other mechanism where small bits of part a hard bard material are needed no ai bearings the discoverer has bass applied for ov patents on his invention in thim country aa 94 well as europe and it to li thought probable that the french academy will award him a certain 10 prize offered some time ago tor for a sat ta Is factory substitute for black diamonds titanium when pure Is white and about half as aa heavy as aa iron it Is almost impossible to buy any because there Is no demand and consequently no production however it Is not be very scarce an oxide of titanium found in the form of small black stones that give a red mark to Is picked up in some newly plowed fields in pennsyl vanla vania and sells for 4 a pound thil th metal Is frequently found in com bombina bina tion with iron but hitherto has been beem regarded as a nuisance because it ren ders an aa ore refractory A recent writ er cr says saya millions of tons of iron or ort in virginia and new york are madil mad worthless by the presence prea ence of 6 5 or 6 pell pei cent of titanium |