324 



APPENDIX. 



COPPER PYRITES. (See Yellow Copper Pyrites, 

 Vol. II. p. 283.) 



CUPREOUS ANGLESITE. (See Vol. I. p. 159.) 



Fig. 499. 



M 



\ 



\ 



M on T - - 95 45' | b on b - - 119 

 Cleavage, very perfect parallel to M ; less so parallel to c. Fig. 166 



is probably a compound crystal. 



CUPREOUS BISMUTH. (See Vol. I. p. 160.) 



Analysis. 

 By H. FRICK. 



Sulphur 

 Bismuth 

 Lead 

 Copper 



16-61 

 36-45 

 36C5 

 10-69 



EDINGTON1TE. (See Vol. I. p. 178.) 



Inclination of a on a ove- the summit = 129 8'; of 6 to b = 92o 41'. 

 It is referred by HAIDIWGER to the genus Feldspar. 



FLUOR. 



It is very abundant on the banks of the Muscolonge lake, in the town 

 of Alexandria, Jefferson co. (N.Y.) It occurs with Calcareous Spar in 

 cavities in gneiss. It is limpid and colorless, or slightly tinged with 

 green, and in cubical crystals of very great size, sometimes above a foot 

 in diameter. 



