370 
8. Apophyllite. 
M. Stromeyer’s Analyses. 
Tyrol. Greenland 
Silex, - - - 51.86 1.86 
Lime, -— - . 25.20 25,22 
Potash, - - a BA oe 
Water, - . - 16.04 16.90 
This mineral is rea 
chloric aci It co 
of Iron and Aisne ne. 
98.24 99.29 
dily attacked by concentrated hy dro- 
ntains about half a hundredth of Oxide ~ 
9. Kieselspath of Chesterfield, ee, 
* Mr Hausman eget this mineral in 1817 
Silex, + 2 0.68 
Alumine, - - - - - 19.80 
oda, - - - . Ps 9.06 
ime, - - - - - 0.23 
Iron and Manganese, . f= 0.11 
a base 
10. Tafelspath (tabular spar) of Tschiklowa, in the Bat- 
nat. 
Silex, - - - - - 51.44 
Lime, - - - - - 47.41 
Oxide of Iron, - - . “ 40 
Oxide of Manganet ee - 26 
Water and Joss, - --.\* - .08 
99.59 
11. Hydrate of Magnesia of New J ersey, Ned a 
Va 
cea a - - Ye - “68.34. 
re ater, _ a 29. - - 30.90 
Oxide of Ine). £6. 2 - 0.12 
lex, = . 2.0 - - 
Oxide of Manganese, i 64 
97.5 
99 88 
It is plain that this mineral is a species of Feldspath, with 
Soda. 
