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earth coal or earthy BROWN COAL. 371 Second Subspecies< Earth Coal or Earthy Brown Coal. Erdkohle, Werner. Lc Bois bitumineux terreux, Brock, t. ii. p 45.—Erdkohle, Tleuss, b. ii. 3. s. 159.—Lignite terreux, Brong. t. ii, p. 33.—Erdige Braunkohle, Leonhard, Tabel. s. 49.—Erdige Afterkohle, Haus. s. 116.—Erdige Braunkohle, Karsten, Tabel. s. 58.— Erdige bituminoses Holz, Lenz, b. ii. s. 1059. External Characters. Its colours are yellowish-brown, and blackish-brown. Its occurs massive. Its consistence is between coher ing and loose, but more inclined to the latter. Its particles are dusty, and soil a little. Internally it is faintly glimmering, passing into dull. The fracture in the small is intermediate between un even and fine earthy. The fragments are indeterminately angular, and blunt- edged. The streak is somewhat shining. It is very soft, passing to friable. It is light, almost swimming. Chemical Characters. It burns easily, and diffuses, during combustion, a smell like that of burning bituminous wood. Alkol.ol dissolves a brownish coloured bitter substance, having many of hie properties of vegetable extract, lly distillation it af fords a honey-coloured oil, which is soluble in alkohol, ar >d appears to be intermediate between resin and volatile \ a 2 oil.