73 
TAB. CCXXXVII. 
BARYTES § sulphata. 
Sulphate of Barytes. 
Class 2. Earths. | Order 1. Homogeneous. 
Gen. 6. Barytes. Spec. 1, Sulphate. 
Var. Crystallized. 
——————— SST 
Surrwate of Barytes from Surry seems not very generally 
known: I was first informed of it by my kind friend Mr. 
Warburton. It is perhaps rather remarkable for its bright 
brown or candied sugar tint, and, I may also say, for its 
being suspended in the midst of the Fuller’s Earth—see 
descr. of tab. 231—in masses of about 100 pounds in 
weight; the whole generally very irregular on the outside, 
and more or less coated with Ochre, and incorporated with 
the Fuller’s Earth, which is not so pure within two or three 
feet of it, therefore the proprietors of the pits do not 
desire to meet often with this Sulphate. 
When these lumps are broken they are found to be a 
mass of different-sized crystals, crossing and interrupting 
each other continually, and sometimes distinct, of various 
modifications. I was, it seems, particularly fortunate in 
what I met with when I visited the place in 1805. I found 
in two lumps most of the modifications from and with the 
primitive, including two facets not yet mentioned by any 
author. One part of the lump was particularly beautiful. 
The annexed figure is taken from a fragment of it, and will 
