io8 



EARTHS. CALCAREOUS. 27. Fluor. 



tahuL 



am. 



cu 



sfatosus. Hardilh, fhining, brittle, of a common form, breaking 



into pyramidal fragments, lamellar. 

 ^ Muria lapidofa, Syd, nat. xii. 3- p. lOO. ;/. 3. 

 Fluor mineralis. Wall. fyli. min. i. ^. 173,«. 2, 

 Fluor fpar. Kirivan mineral, 1. p. 127, 

 Sparry fluor, SchmetJJer mineral. I. p.zi"]* 

 Fluor Ipar. ThoTtiJon chem. 3. p. 619. 



2. With the fragments into which it falls fpontan^oufly, refembl;ng 

 very minute granulations. 



Fluor mineral, granular. Wall. fyit. i. ^. 175. n. 3. 



Found in Britain, Nor^waVy Sixeden, Spain, and Germany, white 

 fmoke-colour, green, violet, purple, rofy, honey-colour, or 

 varied with fpots, blotches or veias, femipellucid or tranfpa- 

 rent, breaking into 3, rarely 4-rided fragments, takes a fine 

 poli(h, and is manufaflurcd into various vafes and figures; 

 contains carbonate of lime 75. fluoric acid 16, water 27. 



In rhombic oblong tables. 



Fluor cry ft. lamell. Wall.Jyst. i. p. 177, «. 4. d. 



Storr. Alpenr^ 2. ^. 46. 



Found in S^vitzerlanJ, Alface, and Saxony, 



hicus. Hardiih, fhiningj, fmooth, lamellar, brittle, breaking in- 

 to pyramidal fragments, cubic. 

 Fluor cryft. rhomb. Wall. fyit. i. p. 176. «, 4. a. , 



Fluor cryft. cubic. Cronst. min.JeB. 100. 

 Fluate of lime. <ion.verby Brit* miner, tab* 11, 73. 



1 . With the cubes perfe6l. 



2. With the angles of the cube truncate. 



3. With the margins of the cube truncate. 



4. With the angles and margins of the cube truncate. 



5. With the margins terminating in a point. 



The faces fldt. 

 The faces concave. 



6. With the margins of the cube terminating in a 3-fided py- 



ramid. 

 Found in Derbyjhire and Nortlumberland, Spain, Prance, Saxony, 

 Germany, &c. of the fame variety in colours as Fl. fpatofus ; 

 moft frequently pellucid, rarely opake: the cryftals folid or 

 hollow, or containing a fmall drop of water or fome foffile, 

 and placed in a decullate manner, laterally, or irregular, or 

 aggregate in a kidney or imperfectly globular form. 



fyramidalii Hardifh, Ihining, lamellar, brittle, breaking into pyra- 

 ^ midal fragments. 



Alumen fpatolum, Syst, nat. xii. 3. p. 102. ». 5. 



Cryftallus alumini formis, Amccn, acad. 1. ^. 481. 



