Khund,
4 miles below the mouth of the lb river and a few miles above
Sambalpur. According to V. Ball the stones were only to be found in the
bed of the Mahanadi itself. Some stones were obtained between 1804 and
1918. Twenty stones were obtained of which the largest weighed 672
grains.
Third group of occurrences
Central India Agency.—In
this area the diamond-bearing localities occupy a tract 60 miles long
by 10 miles wide with the Vindhyan conglomerates near Panna as the
centre. The diamond mining industry still persists in this area on a
small scale, both in Vindhyan conglomerate and in alluvium. Diamond is
found in the following states: Panna, Char-khari, Bijawar, Ajaigarh,
Kothi, Pathar, Kachar, Baramunda and Chobepur. The following scale
gives the position of the diamond-bearing strata with reference to the
Vindhyan formations:—
