| [Ang 
produce the peculiar schimmer on faces of the crystal parallel | 
to the planes along which the inclusions are arranged, —t.e. the 
solution planes. After showing that secondary solution planes 
` may be produced in directions parallel to directions of pressure 
762 General Notes. 
show some indication of regularity of form, as in Labradorite 
hypersthene, etc. n the road between Verrex and St. Vit- 
cent, in the Val d’Aoste, Professor Bonney* has found a schis- 
tose glaucophane-eclogite interbedded with quartz-mica schists 
limestone, and green schists. The rock consists of pale wine: 
red garnets, with inclusions of hornblende, glaucophane, att 
- dust, a green hornblende, glaucophane both in irregular grait 
and in well-developed crystals, epidote, mica, and sphene (e 
coxene). In this connection the author describes in some detai 
the glaucophane-gabbro of Pegli, near Genoa. This rock we 
described by Williams? as an amphibolite, but Bonney prefers 
calling it gabbro. The glaucophane appears to have ane 
he Miigge,*® is composed of quartz grains intricate 
rth ing, and a very little interstitial clayey material. 
Me cement has been removed by the action of pe 
space. It is to the abundance of these cells that the $ 
——Gorman mentions the occurrence © 
lipsite, chabasite, and apophyllite in the vacuoles of the ™ 
* Geological Magazine, vii., July, 1886, p I. 
i Jahrb. f. Min., 1882) ii p — 
zol, Mi . 1887, 
* Min. u. Petrog. Mitth., 1875 
s . ”» $ p- 175- 
Ee a 
Neues Jakob. £ Mins 1387 T 155. 
<a. ae mn., 1887, i P- 195. 
