276 Zoisite—Foliated Chlorite, &c. 
to the depth of half an inch, terminating in a kind of seam 
where it is connected with the mass of Steatite, In both 
these respects, there is a close resemblance to some crystal- 
lizations of quartz, which are not pseudo-morphous, Stea- 
tite must, therefore, be considered as a mineral, which is 
crystallized, as well as amorphous. 
Zorsite. 
This variety of Epidote is found in abundance in Wards- 
borough, Vt. in quartz. The crystals are prismatic, gene- 
rally much flattened, sometimes rounded, often aggregated, 
of a gray or greenish-gray colour, and varying in magnitude 
to a foot or more in length and one or two inches in breadth. 
_ They are. distinctly striated, and havea pearly lustre.. They 
much resemble the bladed crystals of ‘Tremolite, but have a 
different and higher. lustre, and the cross seams are nearly 
perpendicular to the, sides, . Before. the blowpipe,.. the 
crystals are easily distinguished. Zoisite is fused iw, the 
Jcompound hlerspipe into a black e986 
Foliated Chlorite... anon bas 
EST) F % ek 
This mineral. is s found in the, same. masses, s with the Zoi- 
site... Colour a very dark green,/folia yery distinct.and. of- 
tenin aviiesiaal masses... It occurs also,in large aggregates, 
like. common chlorite, and seems) to. be -passing into the 
common. variety. i} ; 
‘The three, preceding rejasnale ee apts I believe, isc 
found i in any other places in our CDUBATYs Tie 
_ Silico-caleareous Oxyd of Fsapivey 4 
_A new locality of this mineral pl kara ‘TD ushsientiogs Vi. 
Atis disseminated in Granite, sometimes in crystals, some- 
. times in grains or masses.. The crystals are not very dis~ 
_ tinct. .Many of them seem to be.six-sided prisms, appear- 
_ing to, be formed by placing a triangular prism on one, paix 
of the opposite sides of a four-sided prism... ‘This-triangular 
_. prism. is.separated by cleavage from the sides, having ’a four- 
sided, .prism, whose ‘ends are oblique to the »sides of the 
prism. Their colour is a dark brown, or datk. chesnut. 
