a 
ce 
Galen Enfield, N. H. 
Miscetlaneous fotalities of Minerals. J 235 
sot schorl in of k whit quarts, abun- 
Zoisit ee ’ 
Bidet or ae Hanover, N.H. 
ose ca blood-red Jerruginous quartz, ee. 
aeavaris rock, 
ones, quartz. 
~ 
 Schorl, in larg e masses, not regulary crystallized, but 
m, Mass. 
7. By Cuanxes W. Surrarp. 
exhibit ga crystalline tendency, Pelh 
- Black mica, fine specimens, ‘on 
Green Hornblende 
ferioce Wabeston, 
oe resembles chalcedony. i u: 
tre, Its fracture is nearly even, soméiat splintery, and 
flat conchoidal. It breaks readily under the blow of the 
tammer, into large, indeterminate, sharp-edged fragments ; 
Sometimes exhibiting concretions. Its colour is leek-green, 
uniformly diffused, excepting, occasionally, small whitish 
‘ots, which are distributed through the mass at nearly 
equal distances. It is translucent. Before the blowpipe, 
it loses its colour, and becomes white. Should it belong 
~ to the sub-species chalcedony, it is the variety called Plas- 
ma, a mineral which has not, hitherto,been found in the Uni- 
ted States. It was discovered in digging a cellar, i ina 
rounded mass, upwards of two feet in span 
Native Alum, in mica slate, Ware, Mas 
Brown Spur, associated with amethyst found by Mr 
Alonzo Chapin, West-Springfield, , 
Amherst, Mass, March 31, 1824. 
