Second Supplement to Dana’s Mineralogy. 201 
Si. Mt Fe Oa Mg Na K ion 
Andesine, 59°55 2562 O75 T78 itr. 509 096 O45=— 10015. 
“ Wh? 
a 
2 59°85 25°55 065 694 O11 Pact 
3. a 5850 25°80 100 806 020 545 116 04010057 
4 55°80 26°90 8 901 027 477 O86 0456 99°59 
5 5720 2640 040 884 583 O84 == 99° 
6. 57-55 2 87 538 0-79 0= 99 
7 5445 2805 045 968 —— 625 1: 0°55=100°49 
8 5815 2609 050 778 O16 555 1:21 0-45= 99:89 
1, 2, color flesh-red, reddish, greenish and grayish-brown, G.=2667—2674; 8, 
granular greenish base of same rock, G.=2'665 —2°668 ; 4, pale greenish a bluich- 
gray, finely granular, G. of greenish-gray portion, 2 681: 5, 6, color pale lavender- 
blue, G.= 2-68 692; numbers a to 6 from Chateau Richer;—%, from district of 
Moztreal, , 8, fro Chute, associated like the above with crys- 
, G= 
supposes that  albiite and i chits are the onl ly two distinct species of 
titi feldspar and ae toe intermediate in composition, are mixtures of these 
=P 
sak the Nan ae of some Feldspars (Orthoclase) of the granite of the Dublit 
and Wicklow mountains, J. A. Galbraith, Phil. Mag,, (41, ix, 40 (anal. I—7), and x, 
115 (anal. 8) 
Be 06 6OMg Ga K Na ign. 
1. Dalkey, Co. Dublin, 00 18:11 og ir, 12-73 300 0:55= 98:96; G.=2°540 
+ Thee asia Mountain, 6540 1771 1-77 tr. 1068 3:26 069= 9951; G=2562 
4. a ey apy 273 Coeriee io C354 
m4 Co, ickl 65.05 17°72 tr. +023 13-42 275 O36= 99:53; G=255 
8.Glenmacanass, “©” 6419 1839 0-34 070 11-39 295 058= 9854; G.= 2553 
6. Glendalo ough, 360 1884 0-40 @¢r. 14°33 1:92 0-60= 99°69; G=2-453 
7. Glenmalur, Co, Dublin, Sons ies <-tee war UN OA O78= 98-70; 2-560 
8. Near Dublin 70-32 16-12 Fe320 134 465 3:39 0 
A variety ot egeng containing lithia, from the vicinity of Radeberg, afforded 
G. J Sriaechs (Pogg,, xcv, 04) : 
8i Al Mg Na K FlandB (ign.) 
65:24 20°40 0-84 o71 0-27 12°35 052 = 10033 
Oxygen, 33:87 953 084 089 007 210 : 
G=2548. H=6. Color smalt-blue to milk-white. Associated with lithia mica. 
Pseudomorph of from the granite of 
potash mica (muscovite) after feldspar, 
Hirschberg, Analysis 33 Kjont (J. £. pr. ‘Chea: is, 190) :— 
1. Orth Meg miinsee 
oclase, =e LEST 0°66 0-35 8°89 19. ce 
2. Mica peend, S178 2875 637 062 828 214 os3=9783 
a os casicen formrindaye may not have been quite pure, as it was selected bs aed *e 
‘ pence > Sebadoh ¢, (1) from a Hypersthene ~~ refiame Bass, 8 
Y G. von Rath (Pogg., xcv, 5388—see Hypersthene, ce 
Si wl Fe Oa ig, Lee oi ae 
i: 16 tee 
2. 50°31 97-3 P e O78 1°55 
Oxygen, 26-14 2-"5 re O31 026 128 
Color bluish- 1,G.= 2715; for 2,G.—= 2707. 
Labradorite on: occurs inthe Witeita Mis, west of the Mississippi, (Blarey’s Rep. 
Expl Red 'R River p. 187. < 
H Ville regards ki ee as an altered Labradorite, ob ag Ch. Phys. [3], 
® has analyzed the mineral from Ternuay, aud obtain 
Stvonp Szeres, Vol pant No. 62, Mareh, 1358. 
