Tale. t'49 Gives a mountain green ftreak, feels fmooth and fomewhat greafy. Hardnefs, 5.4. 5th Species. Tale. Of this Species we have 3 Families. ift Family. In a loofe or femi-indurated form. T alcite. Colour, reddtfh or greenilh white, or leek green. Found in the form of fmall feales, loofe, or flightly coherent. Luftre 3.4. Feels fomewhat greafy, adheres to the fingers, and, when rubbed in, gives a glofs to the Ikin. Very light. Does not effervefee with acids. The name 7‘alcite has been beftowed by Wal- lerius, Baron Born, and others, 011 a very dif ferent fubftance. But it is more properly appli cable to this. 2d Family.