5'84 BARYTE GENUS. / .* ! The bluntnefs of the fragments can aifo, by an ex perienced eye, be ufed for diftinguilhing thefe fpecies from one another. -T-rCT- ;| FOURTH SUBSPECIES. 1 1 Curved lamellar Heavy Spar. Krumm-fcfiaaliger Schwerfpath.—Werner. » ,p fpath pefant teftacfi courbe, ou le fpath lamelleuX, Brcch. t. i. p. 621. . ■ External Characters. Its principal colours are white, grey and red. Of white the following varieties occur: yellowifh* greyilh, and reddifh white. Of grey it prefents yd* lowifh fmoke, and pearl grey. From pearl grey palfes into fiefh red and blood redj the yellowi^ 1 1 grey pafles into yellowilh brown*. Ov * The yellowifh brown variety occurs only in England. Somctimf*