120 PHYSIOGRAPHY* 



Celestine Cerite. 



3. Celestine is rarely found in greywacke : its usual localities are in 

 transition limestone, sandstone and trap rocks ; in which it occurs in sin- 

 gle kidney-shaped masses, in large massive concretions, and in vesiculai 

 cavities. Other deposits are in gypsum beds, alternating with marl and 

 clay, and associated with sulphur. 



4. The handsomest prismatic-shaped crystals, and massive columnar 

 varieties, occur in the Sulphur mines of Sicily ; also under the same cir- 

 cumstances at Bex in Switzerland, and Conil near Cadiz in Spain. Tab- 

 ular crystals and lamellar compositions are found in beautiful varieties al 

 Monte Viale, near Verona, and in the Bristol Channel in England. Fine 

 varieties occur in the Seiseralpe in the Tyrol. The bide varieties occur 

 in greywacke at Leogangin Salzburg, and at Meudon, near Parrj. The 

 blue columnar varieties occur at Dornburg near Jena. The compact is 

 found in the tertiary of Montmartre near Paris. Magnificent crystalli- 

 zations of Celestine of a delicate blue color have been found in the sec- 

 ondary limestone bordering on lake Erie : particularly at a place called 

 Stroniian Island in that lake. Columnar, as well as lamellar, varieties, 

 are found under similar circumstances at Lockport and Scoharie, (N.Y.) 



CEREOLITE. (See Kerolite.) 



CERINE. (See Jlllamte.) 

 CERITE. U n c 1 e a v a b 1 e Eruth rone-Ore. 



Regular forms and cleavage unknown. 



Lustre adamantine. Color intermediate between clove- 

 brown and cherry-red, passing into grey. Streak white. 

 Translucent on the edges. 



Brittle. Hardness 5-5. Sp. gr. =4-912. 



Compound Varieties. Massive : composition granular, 

 individuals not distinguishable ; fracture uneven and splin- 

 tery. 



1. Alone before the blow-pipe, it is infusible ; but with borax forms an 

 orange-yellow globule, which becomes paler on cooling. Wiih soda it 

 does not perfectly dissolve ; but forms a semi- fused, dark yellow mass. 



