288 Scientific Intelligence. 
} WE Ty 
for R:R:Si=1:3:8, This is the same bag sey recently de- 
differing from the one before accepted, agrees with seh obtained b 
Brush in an early analysis of the Norwich he called Higa 
uller color and an inferior luster, translucency, Ae 
ness ind specific gravit 
Much of the spodumene from the two localities mentioned, 
is altered into cymatolite. This name was given to a similar 
mineral from Goshen by Shepard, but the imperfect pipe 
aigts inches long, not as a coating over the em. e prs? is 
micaceous, the lamination flat, rarely undulating, and always 10 
the plane of the orthodiagona] cleavage of the or iginal spodumene. 
The lamin are brittle but the hiines scales are flexible, some- 
silvery $o eset color white; feel soft; hardness = 1°5; spe ecific 
gravit 
The Chesterfield variety is much more abundant. It occurs 
forming the whole, or with the ney eore mineral a part, of crystals 
of enormous size; one is mentioned w ich was 35 inches in length 
apie still lying in the vein and with a iamete of 10 to 11 inches. 
structure , intermediate between micaceous and fibrous, 
d; but in the r ones, within a thin radiating crust 0 
this kind oo folia generally glen to the central plane of cleav- 
age o mene an el foliation often results 
g spod a parall 
Somietiince a core of blackish-green pinite (killinite) is found in the 
smaller crystals; while in the larger crystals the core consists 
spodumene often with killinite as a thin layer next to me white 
2 from the Barrus farm, both in Goshen ; 3 from sterfield 
Hollow. 
SiO, Al,O; Fe,0; MnO MgO CaO Li,O Na.O K,0 H:0 CoO 
21°80 0°85 0:29 1-44 084 0-19 688 6°68 2°40! ir=99'88 
nitrogenous organic matter 0-44. * do 
