Miner alo gia. 



293 



Peter Woulfe, 



Experiments made in order to afcertain the nature of fome 

 mineral fubftances; and in particular, to fee how far 

 the acids of fea-falt and of vitriol contribute to mi- 

 neralize metallic and other fubftances. 

 Philof. Transact. Y. 1776. p. 605. 



Experiments on fome mineral fubftances : — On cryftal, 

 quartz and flint; on the change of cryftal into fele- 

 nitical fpar ; on fome mineral fubftances, which con- 

 tain the earth of allum; of feld-fpar; shirl fre- 

 quently^ though erroneously, called bafakes ; of 

 jasper; yellow pitch ftone and wood like coal, petri- 

 fied with pitch ftone, both from Hungary; tin fpar 

 of the Germans, commonly called white tin ore; 

 Norway zeolite; an account of fuch fubftances as 

 have a fparry appearance and how to diftinguish the 

 one from the other; of a fet of fpars whole proper- 

 ties were not hitherto known and experiments made 

 on one of them. 

 Ibid. Y. 1779. p. 11. 



Carl Deichman, 



Efterretning om nogle fieenarter og ertzer, famt deres 

 forskieller i tyngden. 



Skrifter det Kiobenhavnske Selskab. Deel 11. S. 520» 



Johami Friederieh Wilhelm Charpentier, 



Beobachtungen uber mineraJogifche Gegenftande. 



Befchaft. der Berliner Gef. Naturf. Fr. B. 3. S.439. 464» 

 Chriftian Friederieh Habel, 

 Mm e ra 1 ogifc h e Berne rku n gen . 

 Ibid. B 3. S.469. 



Mineralogifche Nachrichten: Vom naturlichen Rufs; voni 

 vulkanifchen fo genannten Miillerfchen Glas. 

 Schriften der Berliner Gef. Naturf. Fr. B. 10. (Beobachr* 

 B.40 S.75; 76. 



Co 3 ... Mow- 



