306 



0. C. Farrington — Azurite from Arizona. 



that from this or other American localities, more crystals suited 

 for exact measurement may be obtained and thus furnish addi- 



Table I. 



Calculated. 



Measured. 



c a 



Q a 



h a 



m ~ 



Til a 



k a 



X A 



N a 



Q. 001 a 223 

 ft, 223 a 221 

 m, 221 a 110 

 k, 110 a 221 

 X, 110 a 111 

 x, 221 a 111 

 N~, 111*447 

 c'. 447 a 001 



a a ft, 100 a 221 



ft a 7, 221a 121 



/ a p, 121 a 021 



ft a _p, 221 a 021 



# a k, 021 a 221 



k a a 7 , 221 * 100 



e, 001 a 245 

 o, 245 a 241 

 W, 241 ,s 120 

 7, 241 a 121 

 c", 121 a 001 



Farrington. Schrauf. 



41 



24' 



26 50 



19 57 



20 23 

 36 56 

 16 33 

 16 20 

 38 33 



43 56 

 18 11 

 26 42 



44 53 



46 

 45 



41° 21' 



39 50 



37 36 



13 46 



39 32 



63 2 



36 59-2 



16 35 



16 19-5 



38 31 



43 

 18 



26 

 45 

 40 

 44 



45-5 

 12-5 

 51 

 4.5 

 16 

 55 



Crystal 

 No.l. 



(Fig. 9.) 



41° 22' 



26 51 



19 57 



26 51 



19 58'5 



20 24-2 20 23 

 37 



16 37 



16 17 



38 34 



43 50 



44 

 46 

 45 



52 

 3 



19 



39 44 39 46 



37 395 37 39 



13 49-5 i 



39 40 



62 565 i 



rrvstni Other meas- 

 2fJ 8 2 urements. 



(Fig.' 10.) 



41° 20 



26 

 19 



37 



49 

 59 



4 



26° 



19 



2' 

 56 









16 



13 

 33 



58 

 15 

 37 

 52 







38 







43 



18 



43 



50 



26 







44 



44 



... 



46 



39 46 

 37 40 



39 _ "31 

 63 3 



39 36 

 37 33 

 12 24 



x a o, 111 a 241 



a p, 241 a 021 

 p a e, 021 a 245 



c a I, 001 a 023 



1 a /,023 a 011 



/ a p, 011 A 021 



p a p, 021 a 021 



p a c', 021^001 



a a /, 100 a 011 



/ A x, 011 a 111 



x a a', 111 a 100 



a a Q, 100 <223 



Q * I, 223 a 023 



I a a', 023 a 100 



28 26 



51 10 



30 45 



30 33 



10 58 



19 1 



58 56 



60 32 



88 12 



38 26 



53 22 



57 47 



30 9 



92 4 



28 265 29 1 28 32 

 51 25-8 51 11 51 16 



30 48 



30 46 



30 24 30 27 



10 57 



19 3 



59 12 59 1 



60 24 60 29 



88 12 



38 33 



53 15 



57 42 



30 13-8 



92 4-2 



30 51 



30 31 

 10 58 



19 

 59 



60 30 



88 16 



38 26 



53 18 



57 50 



30 6 



92 



30 38 



m a o, 110 a 241 23 50 

 o a p, 241 a 021 32 55 

 m a p, 110 a 021 56 45 



23 56 23 51 23 50 

 32 54 32 48 32 49 

 56 50 56 38 56 39 



23 53 



tional data by which to accurately establish the angular values 

 in accordance with which the crystal forms of this interesting 

 and beautiful mineral unite. 



