1 52 
LONG 
GALLERY, 
( steinheilite ) ;—sordawalite from Finland ;—the 
licirpholite from Bohemia, &c. 
Case 36. This Case contains the following 
substances:— staurolite , a bisilicate of aiumine 
and of oxide of iron, called also granatite and 
cross-stone, among the specimens of which are the 
fine macled crystals from Brittany, and the mo¬ 
difications of the simple crystals from St. Go- 
thard, accompanied by prisms of disthene, per¬ 
fectly similar to those of the staurolite, and 
sometimes longitudinally grown together with 
them.—Silicates containing yttria and protoxide 
of cerium: viz. the gadolinite , from Ytterby 
and Kararfvet in Sweden; the allanite from 
Greenland (to which may be referred the cerine 
of Bastnaes); the orthite and pyrortliite. —Sili¬ 
cates containing glucina, the principal species 
of which is the emerald , or beryl , the former 
being a variety which owes its fine green colour 
to oxide of chromium, from Santa Fe, from 
Mount Zahara in Egypt, and from Heubachthal 
in Salzburg;—beryls of various colours, the more 
common of which is the variety called aqua¬ 
marine ; the perfectly white and limpid, and 
fine oil green varieties from Nerchinsk and 
Adontchelong in Siberia; the large beryls of 
Li moges, and from Acworth in New Hamp¬ 
shire, where crystals of upwards of fifty-nine 
pounds have been found; (the fragment of a 
prism in the centre of the Table Case weighs 
forty- 
