127 
stone, &c.;— pinite, crystallized in regular hexagonal 
prisms, and giesecJcite, from Greenland, which appears 
to be a variety of it. 
Case 33. This and part of the following Case chiefly 
contain substances related to hornblende or amphibo¬ 
lic minerals, among which may be specified the basaltic 
and common hornblende, including the pargasite; —the 
actinolite or strahlstein (divided by Werner into the 
glassy, common, and fibrous varieties');—the gramma - 
tite or tremolite (so called from Val Tremola, where, 
however, it is not found), among the specimens of which 
are the fine, fibrous varieties, resembling asbest; the 
glassy tremolite, in dolomite and granular limestone, 
&c.— Arfvedsonite — Anthopliyllite. 
Case 34. Part of this Case is filled with the mine¬ 
ral substances called asbestine , many of which appear 
to pass into some of the varieties of amphibole in the 
preceding glass case. Among these may be observed 
specimens illustrative of the transition from a very close 
to a loose, fibrous structure ;—several varieties of the 
flexible asbest or amianth , with some antique incom¬ 
bustible cloth, paper, &c. made of it;—-the varieties 
called common and schiller-asbest, mountain wood, 
mountain cork, or nectic asbest, &c., separate and in 
combination with other substances;—the blue and yel¬ 
low asbest from South Africa to which the name of kro- 
kydalite has been given. The remainder of this Case 
contains pyroxenic minerals :— augite , in separate crys¬ 
tals, and imbedded in lava from Vesuvius, together 
with groups of well-defined crystals from Arendahl in 
Norway, where this substance occurs in primitive rocks; 
—the jeffersonite ;—the granular variety called coc- 
colite ;—the varieties of diopside , at first considered as 
a distinct species, including the mussite and alalite from 
Piedmont; —the sahlite or malacolite, to which also be¬ 
longs the baikalite, of which a few fine specimens are 
here deposited ; the pyrgome or fassaite, and the ach- 
mite . The metalloid diallage or diallagite , also called 
schiller-spar, from the Hartz, Salzburg, &c., the bron%ite 
and 
LONG 
GALLERY. 
Nat. Hist 
