C 106 ] 



furface, when fcratched with a knife, appears 

 greafy ; it generally crackles and phofphorates by 

 heat, except the colourlefs, which becomes elec- 

 tric when rubbed ; and the coloured kinds lofe 

 their colour by heat ; but by a ftrong heat is 

 melted. Anal. Fluor acid 16. Lime 57. Wa- 

 ter 27. Scheele. Oxyde of manganefe 3. Oxyde 

 of iron 1. Pot-am 18. Vauquelin. 



Synonymous Names. 



, j - j f Earth of bones, 

 k. i J tioshkate J A i u r t 



of lime i ^ a ^ careous phofphate. 



oj e. [^Animal earth. 



Apatite, colour various, olive green, bluifh, yel~ 

 lowifrV and chocolate brown; found cryftallized 

 in three and lix-fided prifms; in fix and eight- 

 Tided plates, varioufly modified, mining and of £ 

 greafy luftre, texture laminated, femi-tranfparent. 

 Anal. Phofphoric acid; lime 55. Klaproth. 



Synonymous Names. 



P Vitriol of lime. 



1 o 1, 7 r 1 Calcareous vitriol. 

 1. Sulphate of^ sdenite _ . 



lime. \ r- r 



' 1 Gyplum. 



LPlafter of Paris. 



does not effervefce with acids ; found in mo$ 

 parts of the earth and in water ; foluble in about 

 ,500 times it's weight of water; it refembles the 

 calcareous fpar, and is found in folid rnaftes, of 

 particular form, cryftallized into hexagonal* 

 prifms, terminating in an edge, or in rhomboids, 

 or cuneform, tabular or lenticular ; texture fU 



* Hexagonal^ ex s|, fex;, et yuvioc, angalus. 



brous 



