352 DOMAIN IV. TALCOUS. 



is found in small masses or disseminated, seems 

 rather to belong to lithology or gemmology. 



STRUCTURE I. ENTIRE. 



Black serpentine, from Egypt. 



Brownish serpentine, from the same. These 

 are small statues, described by Wad. 



Serpentine, with white spots, from Cecina, near 

 Volterra, Tuscany. 



Black, from Monte Ferrato-di-Prato, call Nero- 

 di-Prato. 



Green, from the same, Verde-di-Prato. 



Gabbro, or serpentine of various colours, from 

 Impruneta, seven miles south from Florence. 



Green serpentine, with yellow spots, from the 

 Sierra Nevada, in Spain. 



Serpentine, shaded with various tints of green, 

 from the Pyrenees*. 



Deep green magnetic serpentine, from Bareuth. 



Green serpentine, marbled with white, from the 

 Vale of Chamouni. 



Serpentines, from Corsica and Italy. 



* The erroneous ophite of Palassou, whose work on the Pyre- 

 nees has great merit. See his prolix dissertation on this pretended 

 ophite, Journ. des Mines, v. 31. He is however nearer the truth 

 than Gesner, and his successors, who supposed ophite to be green 

 porphyry. 



