BOMAIN IV. TAX.COUS. 



resemble marbled soap. It also occurs greyish, 

 greenish, and more rarely yellowish, and is some- 

 times dendritic, or spotted*. 



Klaproth has analysed the steatite of Corn- 

 wall, of which he gives the following account: 

 of the The steatites of Cornwall (talcum smectis* 



Lizard, 



Linn.) occur at the Cape Lizard, in serpentine 

 mountains, which it cuts through in small, per- 

 pendicular, or rake veins. The finest sort of it 

 is white, with bluish or reddish spots, resembling 

 marble. When fresh from the mine it is so soft 

 that, like soap, it may be abraded with the 

 knife. It is used in making porcelain. The 

 working of these mines is carried on by the 

 House of the porcelain-manufacture at Wor- 

 cester, which pays <20. sterling for the ton of 

 20 cwt., because the bringing it out to the day 

 is extremely uncertain and dangerous, the ser- 

 pentine rock breaking in so frequently. There 

 also occurs in these mines another sort of it, less 

 fine, and having spots of iron ochre; as well as 

 a third, brown-red variety, mingled with green. 

 Not far from thence, at Euan minor, also in ser- 

 pentine, there is found both a grey-white and a 

 light slate-blue soap-rock, or steatite, and also 



* The dendritic occurs in Saxony, and near Kildrummy, Scot- 

 land. 



