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Shorl 267 by the bafalt, the canfufion was thereby in- creafed. . . He does not, however, pretend lt ts always cryftallized; for, he dillinguifhes four forts, the thelaft of which only is, he fays, cryftallized. ' ift The amorphous ma'iial fhorl, or jßnrlbergi this, Wallerius teils us, is his own 1481h fpe- cies’ of a green or yellowifh green colour; its jTp. er. 3,200, difficultly, if at all, giving fite \vithfteel. This is what is now called the Ge meiner, or Common Adlinolite, of Werner, as far as this takes in the amorphous fort only. ' ad, 'The Jhorlfpar of a green, and fometimes of a white colour; this is the hafaltes fputhofus of Wallerius, and probably denotes the green foliated hornblende andfhorlite. ad, The fibrous, or ftrabl Jhorl\ black, green, and white; the bafaltes fiorofus of VVallerius, which is the cryftallized common adlinolite of Werner. 4th,' The fljorl cryflal, which hc tranflates ba faltes cryßallifatus, of which he diftinguifhes three colours, the black, green, and reddilh bro vn ; as does Wallerius, who, deceivcd bv the name, comprehends allo the pillars of the liiants Caufe- way under this fpecies. The black, however, is the real fhorl •, the other colours probably com- prehend aftinolites and tourmalines. Mr. Bergman alfo diftinguilhes three forts of ftiorl, the fibrous, which he mentions in his trea- tife on afbeftos, the cryftallized, and theicaly; this laft he alfo calls hornblende *; but the firft pielts, per /e, into a grey porcelain mafs, and * 2 Bergm. 107. therefore