MINERALOGY. S9 



rous texture. It takes for the mod part, 

 and without much labour, a fine polifh. 

 It is found, 



1. Compact and foft, Partialis impalpabi- 



libus mollis ; Smedtis, Briancon, or French 

 chalk. 



a. White, from the Lands End, in Corn- 

 wall. 



b. Yellow. 



c. R.ed and white, Land's End : the Soap 

 Earth, Switzerland. It looks like Caftile 

 ioap. 



SECT. LXXX. 



2. Solid and compact, Partiadis impalpabili- 

 bus folida -, Steatites, and alfo Soap Rock. 



a. White, or light green, from Rifver, in 

 Norway, Bareuth, and Sikfioberget, at 

 Norberke, in Weftmanland. 



b. Deep green, from Salberg, in Weftman- 

 land, Swartwik, in Dalarne, Jonufwando, 

 in Lapland, Salviito, at Tamela, in Fin- 

 land, &c. 



c. Yellow, from Juthyllen, at Salberg, Tor- 

 rakeberget, at Gofborn, in the province 

 of Vermeland, and China*. 



* It is a very dilTicult matter to fpecifyall the varieties of 

 the lcap-ftcnes, in regard to their hardnefs or foftnefs, fince 

 f cannot be compared with any ilandard meafure. Thofe 

 from Rifver, Sikfioberg, and China, are a great deal harder 

 ar.d more folid than the Englifh kind, from the Land's End, 

 which breaks between the fingers; but are foft in compari- 

 fon to that from Salberg, which is there called Serpentine, al- 

 ign both th_*fe varieties may indifcriminately be made 

 ufe of for cutting and turning. The foft ones, however, are 

 not : 'j apt to ci^ck, when they are worked, as the harder. 



But 



