TAB. XL 



CALX Fluor, tw.-cubica. 

 Filiate of Lime, Cubic. 



Class 2. Earth. Order 1. Homogeneous. 

 Gen. 1. Lime. Spec. A. Fluate of Lime. 



Div. 1. Crystallized. 



Spec. Char. Lime combined with fluoric acid, 

 which acid has the peculiar property of dis- 

 solving siliceous substances, or flint. 

 Chaux fluoree. Born, v. i. 2SS- 

 Fluss. Emmerling, v. I. 515. 

 Fluor. Kirwan, v. 1 . 1 24. 

 Chaux Fluate cubique. Haiiy, v. 2. 247. A 1 A 1 



Fluor is divisible into regular octaedrons. Spec. grav. 

 3*0943 to 3* 19 1 1, and according to Haiiy has a regular te- 

 traedron for its integrant molecule. It is mostly found 

 crystallized in cubes (more rarely in octaedrons and their 

 modifications) in many parts of Great Britain, as Derby- 

 shire, Cumberland, two places in Scotland* -, also in 



* Aberdeenshire and Shetland. Jameson, v. 1. 151. 



