L 105 ] 



c. Baryto~calcite, of a dark, or light grey, al- 

 moll white; rounded form, or cryftallized in 

 quadrangular pnfms ; effervefces with acids. 

 Anal, Carbonated lime 92. Carbonated baryte 

 8. Bergman. 



f. Muri-calcite, Compound fpar, of an olive co- 

 lour, clayey appearance ; ftony, amorphous,* and 

 cryftallized. Anal. Carbonated lime 52. Carbon- 

 ated magnefia 45. Iron and manganefe3. Klaproth. 



g. Argentine^ Scheifer fpar, amorphous, foli- 

 ated. Anal. Carbonated lime, with magnefia, 

 argill, and iron. Kirwan. 



h. Supersaturated with carbonic acid 3 Dolomite, 

 or elaftic marble, pure or greyifh white, yellowifh 

 white, or light, red ; furface rough and uneven ; 

 fraclure conchoidal or granularly foliated. Ef- 

 fervefces (lowly with acids ; phofpborefces when 

 ftruck in the dark, or when laid on red-hot iron. 

 Anal. Lime 44, 29. Carbonic acid 46, 1. Argili 

 5,86. Magnefia 1,4. Iron o, 074. Saussure, jun. 



Synonymous Names. 

 f~Fluor fpar. 

 J Vitreous fpar. 

 1. Fluatef of Ihne'yK Cubic fpar. 



1 Phofphoric fpar. 

 ^Sparry flu or. 



Nearly infoluble in water, does not effervefce with 

 acids, nor ftrike fire with fteel ; is more or left 

 tranfparent, and exhibits various colours; it's 



* Amorphous, ex « prriv. et.^tpy, forma. 



+ A fait formed by the combination .of the fluoric acid with 

 different bafes, 



P furfaee, 



