Miner alo* ia. 



499 



Edward KING, 



An attempt to' account for the formation of fpars and 

 cryftals. 



Philof. Transact. Y. 1767. p. 53. 

 Alexander Eason, 

 On cryftallization. 



Memoirs of the Soc. of Manchefter. Ed, 2. Vol. 1. p. 29, 

 . . . Leblanc, 



De la criftallotechnie. 



Soc. Philomath. A. 9* p. 11. 



Cryftalli variae. 



Rudolphus lacobus Caterer, 



De lapide figurato, ex cubo et octaedro compofito» 

 Ephemer. Acad. Nat. Curiof. Cent. 3 et 4, p. 15, 

 Michael Frieder. Lqciiner, 

 De lapide quadra Sinenfi. 

 Ibid. Cent. 7 et Q. p. 335. 

 William Borlase, 



An enquiry into the original ft ate and properties of fpar 

 and fparry productions, particularly the fpars or 

 cryftals found in the cornish mines, called cornish 

 diamonds. 

 Philof. Transact. Y. 1749. p. 250. 

 Philippe Picot de la Peirouse, 



Description de quelques cryftallifations : 



1) Spath calcaire; 6) Pyrite fulphureufe; \ 



2) Quartz; 7) Mine d'argent rouge; 



3) Jaspe ; 8) — — d'argent blanche; 



4) Spath Huor; 9) — — de Bismuth. 



5) Soufre natif; 



Memoires de Touloufe. T. 1. Mem. p. 303. 

 , . < Hunger, 



Von noch unbekannten Kryfiallifationen einiger Foililien. 

 Schr. der Berl. Gef. Naturf. Fr. B.11. (Beob. B. 5.) S.I90, 

 Neue Schr. der Gef. Naturf. Fr. zu Berlin. B. 1. S. i&3- 



Err 2 Martin 



