156 
LONG 
GALLERY. 
crystallized, from Bohemia and other countries; 
also as octahedral supposititious crystals, derived 
from tungstate of lime;— tungstate of lead, from 
Zinnwald, Bohemia.—Molybdic acid and mo¬ 
lybdates :— molybdic acid or molybdena ochre, as 
a yellow powder on feldspar, from Sweden, &c.; 
—molybdate of lead, or yellow lead ore, massive, 
lamelliform, and crystallized, on compact lime¬ 
stone, &c., chiefly from Bleiberg in Carinthia. 
Case 40. Oxide of chromium and chromates: 
—a flne suite of specimens of chromate of lead, 
or red lead ore, from the gold mines of Beresof 
in Siberia, where it chiefly occurs in a kind of 
micaceous rock, mixed with particles of quartz 
and brown iron-stone ;— chromate of lead and 
copper, called vauquelinite , a concomitant of the 
red lead ore;— chromate of iron, from the de¬ 
partment du Var in France, and from Baltimore 
in Maryland, intermixed with talc stained pur¬ 
ple by chromic acid.—Boracic acid and bo¬ 
rates :— borax, from Tibet;— borate of soda ; — 
borate of magnesia or boracite, in separate crys¬ 
tals, and the same imbedded in gypsum ;— da- 
tolite , being a borate with trisilicate of lime, 
from Arendahl in Norway, (that of Sonthofen, 
supposed to be a distinct species, has been called 
himboldtite by Levy,) and the globular-fibrous 
variety of the same called botryolite, likewise 
from Arendahl. 
In this Table Case begins the family of 
the 
