50 
SA^ON. semble the radiated antimony in the disposition of 
N4 t. Hist, their acicular crystals ; foliated grey manganese ; 
compact manganese of various forms, botryoidal, 
tubercular, reniform, &c. ; earthy grey manga¬ 
nese, a remarkable variety of which is the hlach 
of Derbyshire and Devonshire, which has the 
property of inflaming spontaneously when mixed 
with linseed o\\,-~ Silicates of manganese; the red 
compactvarietiesfrom Siberia (Werner’s mangan- 
spath), and from Kapnik (the red manganese of 
the same miuevdXoghi'),-Carbonate of manganese^ 
phosphate^ he, —The helvine^ referred by some 
mineralogists to Bournon’s crichtonite, from 
which, however, it appears essentially to differ. 
In this case are also placed the ores of colum- 
blum or tantalum, of yttria, and of cerium, &c.— 
Columhite : —the specimen from North America 
in which Mr. Hatchett discovered the metal (see 
Phil. Trans. 1802) ; yttriferous columbite or 
yttrotajitalite^ from Bavaria, he, —Silicate of 
yttrium : gadolmite, of which a unique crystal is 
here deposited: and oiHhite, two scarce 
Swedish minerals, related to gadolinite.— Cerite 
or cerine (silicate of cerium) from Bastnaes in 
Sweden.— Yttrocerite^ a fluate of lime, yttria and 
cerium ; and a related mineral composed of fluate 
of yttria and oxide of cerium, with only a small 
portion of lime, but in which is often found a 
fluate of the new earth to which Berzelius has 
given the name of thoria, —Specimens of the 
oxide 
