SCALY ANHYDRITE. 25S Fifth Subspecies. Scaly Anhydrite. Anhydrit, Werner. Schupiger Muriaeit, Karsten. Schuphiger Karstenit, Haus. s. 184.—Schuphiger Muriaeit, Karsten, Tabel. s. 52—Chaux sulphatee Anhydre lamellaire, Hauy, Tabl. p. 10.—Schuppiger Anhydrit, Lem, b. ii. s. 849. External Characters. Its colours are snow, greyish, and milk white, which latter passes into smalt-blue, and rarely into grey. It occurs massive. The lustre is splendent and pearly. The fracture is confused foliated. It occurs in fine granular scaly concretions. The fragments are not particularly blunt-edged. It is translucent on the edges. It is easily frangible. It is soft ? Specific gravity, 2.957, Hauy. Constituent Parts. Lime, Sulphuric Acid, Muriate of Soda, 97.75 Klaproth, Beit. b. iv. s. 235. Geognostic and Geographic Situations. It is found in the salt-mines of Hall in the Tyrol, '*988 feet above the level of the sea. 3. Vulninite-
