ORDER II. BITUMINOUS MINERAL-COAL. 01 



forming nodules in limestone at Bleiberg in Carinthia, im- 

 bedded in sandstone in Albania, in great profusion in the 

 island of Trinidad. It is found in veins in the Iberg near 

 Grund in the Hartz, in Derbyshire, and other places. 



5. The different varieties of the present species allow 

 of considerable application for illuminating, for fuel, in fire- 

 works, in the manufacture of varnish, of black sealing-war, 

 and for other purposes. 



ORDER II. COAL. 



GENUS I. MINERAL-COAL. 



1. BITUMINOUS MINERAL-COAL. 



Brown Coal (excepting Alum-Earth). Black Coal. JAM. 

 Syst. Vol. III. p. 495. 507- Bituminous Mineral Coal 

 (excepting Alum-Earth). Man. p. 301. Black Coal. 

 Common Coal. Cannel Coal. Jet. Brown Coal. PHILL. 

 p. 370. 371. 372. Braunkohle (excepting Alaunerde). 

 Schwarzkohle (excepting Stangenkohle). WERN. HofFm. 

 H. B. III. 1. S. 2/7. 29 1. Schwarzkohle. Braunkohle. 

 HAUSM. I. S. 73. 77- Pechkohle. Blatterkohle. Kan- 

 nelkohle. Grobkohle. Husskohle. Braunkohle. JBitummo- 

 ses Holz. Moorkohle. Erdkohle. Papierkohle. L.EONH. 

 S. 669. 670. 671. 672. 673. 675. 6/6. 677. Houille. 

 Jayet. HAUY. Traite', T.III. p. 316. 324. Houille (ex- 

 cepting H.bacillaire). Jayet. Tabl.comp. p. 71. Traite', 

 2de Ed. T. IV. p. 459. 4*70. 



No regular form or structure. Fracture concboidal, 

 uneven. 



Lustre resinous, more or less distinct. Colour, 

 black or brown, passing in earthy varieties into 

 greyish tints. Streak unchanged, except that it 

 sometimes becomes shining. Opake. 



Sectile, in different degrees. Hardness = 1-0 ... 2-5. 

 Sp. Gr. = 1-2S3, moor-coal from Teplitz ; 

 = 1-&70, common brown coal from Eibiswald in 



