vol, I, No. 6. ] Note on Bundelkhand Gneiss. 171 
LN. ‘es 
n two thermo-couple temperatures are given for the same 
time, ay refer to different points in the mu 
e turned out at oe P.M. Bee drawn at 3 P 
signs of fusion. The fracture was glassy in parts, the rest being 
dull and stony, and was blue to otis lack. 
Was oe so hard or dense the Pyremid with 5 5°/5 Gao, The 
piece was easily broken, ene a dull, sandy fracture, and show- 
ing the interior to be fairly compact. ay he colour of the fracture 
was a brownish a Pie pyramid had not sunk at all, and 
showed no signs o 
T 
temperature has been too high, the upper parts of the pieces are 
porous and cindery, this href oe due to the liquation of a 
fusible silicate. The colour of the ware is neces ey dark, 
owing to the high eisentiiel of oxide of iron in the 
It does not ¢ appear to be possible to obtain < saedubieware 
from the clay. Experiment 1II gave the best pieces 
e clay i is Pee not Fuller’s earth 
W with Wien with, or without additional lime, a 
highly plastic oy is obtain 
n addition to the ex etineite recorded in the above report, 
the clay was fired i in an ordinary earthenware kiln, but it refused 
to bind and sim mply dried to a porous friable mass differing very 
little from the product tera by waited ore it and ref 
ly to be ei any use except that to whole the vi rhe A have put it 
from time immemorial, 7.e., for whitewashing their houses. 
See ee--_—_._0——_ rT 1—Vw—— 
