56 
natural history. (Minerals.) 
[north 
tenbergite from the Ural, the composition of which appears to approach 
very near to that of chlorite, or ripidolite ; —the gieseckite, from 
Greenland ;—the oosite, fahlunite or triclasite, from Fahlun in Sweden : 
this latter mineral substance, however, together with the weissite , the 
chlorophyllite, the praseolite , the aspasiolite , the bonsdorjite , as also 
several varieties of the pinite in this Table Case, are now by some 
mineralogical writers considered as only metamorphoses of cordierite 
or iolite (Case 36). 
Case 33. This and part of the following Case chiefly contain 
amphibolic and pyroxenic and related minerals, among which may 
be specified the basaltic and common hornblende , including the parga - 
site ;—the actinolite or strahlstein (divided by Werner into the glassy 
common, and fibrous varieties, and to wdiich also belongs the ka- 
rinthine of this author);—the grammatite 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, and 
cegyrine , a variety of it;— raphilite, &c. 
Case 34. Part of this Case is occupied by the mineral substances 
called asbestine , many of w hich pass into some of the varieties of horn¬ 
blende ; others, both asbest and amianth, are modifications of the state 
of aggregation of different amphibolic substances; and to these Breit- 
haupt also refers his kymatine, metaxite, peponite, and pycnotrope. 
Among them 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 incombustible cloth, 
paper, &c., made of it;—the varieties called common and schiller- 
asbest, mountain wood, mountain cork, or nectic asbest, Sec., separate, 
and in combination with other substances;—the blue and yellow asbest 
from the Orange River, South Africa, for the former of w 7 hich the name 
of krokydolite has been proposed, while the other appears to be a 
silicate of iron. The remainder of this Case and part of the next con¬ 
tain pyroxenic minerals:— augite , in separate crystals, and embedded 
in lava from Vesuvius, together with groups of well-defined crystals 
from Arendal in Norway, where this substance occurs in primitive 
rocks ;—the jeflersonite ;—the granular variety called coccolite ;—the 
liypersthene and paulite (Labrador hornblende of Werner);—the 
lievrite, also called ilvaite and yenite , in particularly perfect crystals, 
chiefly from Elba : the wehAite appears to be a variety of this species; 
—the varieties of diopside, at first considered as distinct species, including 
the mussite and alalite from Piedmont;—the sahlite or malacolite, to 
which also belongs the baikalite, of which a few fine specimens are here 
deposited ; the pyrgome or fassaite , and the achmite. 
Case 35. Among its contents may be particularized the mineral sub¬ 
stances which have been described under the appellations of thallite, 
arendalite, acanticone, delphinite, &c. ; most of these are Werner’s pis- 
tacite, and are now more generally designated by the name of epidote , 
given to them by Haliy. To this also belongs the manganesiferous epi¬ 
dote, considered by some as an ore of manganese.— Cummingtonite .— 
Zoisite .—Among the specimens of idocrase (vesuvian of Werner), the 
more conspicuous are the large beautiful crystals (the unibinaire of 
Haliy), discovered by Laxmannon the banks of the Viluiin Kamschatka, 
embedded in a steatitic rock; those from Vesuvius, where this substance 
