03 



TAB. CXXIX. 



PLUMBUM sulpbatum crystallizatum. 

 Crystallized Sulphate of Lead. 



Class 3. Metals. Order 1. Homogeneous. 

 Gen. 15. Lead. Spec. 4. Sulphate of Lead* 



Div. 1. Crystallized. Far. 1. Primitive. 



Syn. Plomb sulfate primitif p. Haiiy, 3. 504. 

 Naturlischer blei vitriol. EmmerL 3. 413. 

 Native Vitriol of Lead. Kinvan, 2. 211. 



I believe there is no place in the world, except Anglesea 

 in North Wales, where this substance has been found \ and 

 all we have heard or seen of it came from the Parys 

 mine. We were extremely lucky, after having met with 

 the best collection of crystals in the world, from the pre- 

 sent octaedron, through various modifications, to have 

 found an extraordinary addition in another set that we 

 had received through the favour of our good friend, and 

 friend to Natural History, the Rev. Hugh Davies, F. L. S.* 

 These were so new as to make the former set doubly va- 

 luable. The present specimen is not so brilliant as many, 

 but, of the kind, is one of the largest and best crystals yet 

 procured. Its fracture in some directions is laminated, 



* See tab. ISO. 



