EARTHS. CALCAREOUS. 27. Fluor. 107 



Baryto-calcite. Kirnvan min^ i. ^.91? ^. 143 ? 



Found at Kujhurg in Ncr-ivny, at Andrarum in Scania^ and in 



Bohe.nia: colour blackiih-brown, brown, yellowifli, or yeU 



lowiih-whitc. 



ipatosus. Shining, diaphanous, fmoke- colour, breaking Into rhc^m- 

 boida! fra.4mcnts, lamellar with ftraight foliations. 



Bitnmi jou."- ponderous earih. Schme'rJJer minti' i. />, 262, 

 fou"d in Noinx'-y and Echemia^ and foinetiines eiuits a bitumi- 

 nous finell witnout being rubbed: colour white or black. 



27. FLUOR. Confifting of carbonate of lime and 

 fluoric acid: fomewhac ponderous, parafitical, 

 never hard, fliining in the dark, and crackling, 

 when heated to the degree of boiling water; not 

 effervefcing with acids, but if diftilled with the 

 imineral acids, emitting the fluoric acid gas, 

 which has the property of difTolving glafs : melt* 

 ing before the blow pipe into a tranfparent glafs, 



fulverulen- WhltiOi, without luflre, powdery, with the larger parti- 

 tus, c^es not cohering. 



Snndy or eanny fluor. Kir'wa?! mineral. I. p. 126, 



Earthy fluor, 8 chnzijfer mineral. I. /», 236. 



Earthy fluat of hnie, Thomf. chem. 3. />. 618, 



Found at Kahoia Poiana in the diflrid of Marmarosy in Hungary ^ 

 between two beds of quartz : colour light grey, premifli- 

 vihite, or blueifh green: when ibcwed on an irion plate 

 heated a little below rednefs, 't diffides a blue or pale yellow 

 phofphorefccnt light : feels harfh, and llains a little : conLains 

 lime 21, alumina 15. filica 31. fluoric acid 28. phol:jnoric 

 acid I, muriatic acid 1. oxyde of iron i. water t. Pelletier. 



fompa^us* Hardifh, compacV, of an even texture, diaphanous, brit- 

 tle, breaking into indeterminate fragments, of a com- 

 mon form. 



Muria Chryfolampis Sy/i. not. xii. 3. p, 99. n, 7; 



Fiuor m.neralis. Wall fyst. min. i. p i-jz.n.l^. 



Compad fluor. Kirivan mmeral. I. p. I 27. 



Solid or compaft fluor SchmciJJer mineral. \, p, 236. 



Compad fluor. Thomfon chem. 3. />. 6rg, 



Found in Bntaitiy and near Stollherg zn<i Strajhurgy whitifli-grey, 

 more or lefs pafling into green, often fpotted : fradure even 

 or conchoidal ; fpe.cific gravity from 3,1 20. to 3,165. 



O 2 



