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336 manganese. Observations. cuish ^ ts fracture ’ Iustre > and distinct concretions, distin guish it from the second subspecies. don' Mr Vlnan ’ a P U P !1 of Werner, sent me from Lon- Sansnath ° f a mineraI un <>er the name Man- ganspcah, which appears to belong to this species. . ; ilr Vivian also transmitted to me the description of a mineral under the name Piemonte,icher BraunsUin, or Manganese of Piedmont, and which Werner arranges in s )stem as a distmct species. It is said to have a red lour, to be crystallised in prisms: the fracture is ra nted ; and ,t is hard and heavy. It i s probably the mi- ei a analysed by Napione, the constituents of which are as tollowsFerruginous Oxide of Manganese, 4.5.281 : uca, 26.125 ; Lime, 23 : Alumina, 0.781 : Water and Carbonic Acid, 3.-Vid. Ilauy, Traite, t. iv. p. 248. Second Subspecies. Compact R^cl Manganese Ore. Dichter Roth Braunstein. b. if Ileuss, b.iv. s. 470.—Rothstein, Mohs, Manganese li'thoide TabeI ‘ s ' 7 °- Karsten, Tabel. s . 70 *' P ‘ 11 °— Iioth Manganerz, Tab!, p. 111. (in nan 1 " * n f nese ox y di carbonate, Ilauy, b. i. s. 302.—White M * Rothstein, Haus. Handb. Manganese, Aikh,, p. <5l. External Characters. Its colour is rose-red, which , • , a ’ nicl1 passes into brownish-red, reddish-