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Show Ad trllftclal Alt. A new ortlllclnl stono Is recMng some attention from architects and builders abroad. It Is n eomjwunl, (virtly cbemteal and jmrtly luechanlcal, of Iron, sulphur, and silicon, with more or lots foreign matter, the normal color bthigadark slate, arylng lomowhat with tho manner In whleh It li dresteil, but en able of being mod tiled In a do-greo do-greo by the Introduction of pigment, thus rtnd(rlug practicable Imitations of nrIout colored brick and sand stones, 1 1 Is about the hard nets of or dlnary blue stono and can bo worked br tho uual stouYcuttlng loolt, turned lnalithorplone1. Tho temlto stnugth Is from C10 to 1,200 pou mis pt-r pMira Ineti, and un der eonipreIon endurel from 0.000 til 12,000 pounds. It specllk) gm1ty Is alwut a.C, and It melts at about 300 degn. ery slowly, No deterioration occurs under exposuru to tho weather, and nathu inntirial enn bomdteil and molded It Is applicable to a great orl i ty of iiMt to which stono Is not adipt cd, ami trtIoulatly In tho cao of large oiMlngs, null as pipe for sewage, ite. Arclilteeturnl furms of aluiost any dew. ript Km ran bo u-ry eomenlsntly iuaIj fni'ii It In position, If needM, and for culverts and brldgo fouudv tlom, tho perfect 'imoothnws of which Ihosurfitceli s sucvptlble, Iadnn taji'ous Iu lerxnlug frlctloiu New York Sun. |