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DIAMONDS.
29
town, however, lie was only able to purchase a few diamonds. After much prolonged negotiation, he was permitted to visit the junction of the rivers Hebe (Ebe) and Mahanadi, where the diamonds were said to be found. A servant of the Raja's, who was in charge there, informed him that " it was his business to search in the river Hebe, after the rains, for red. earth, washed down from the mountains, in which earth diamonds were always found. I asked him if it would not be better to go to the mountains and dig for that earth. He answered that it had been done, until the Maharattas exacted a tribute from the country; and to do so now would only increase that tribute. He showed me several heaps of the red earth—some pieces of the size of small pebbles, and so on, till it resembles coarse brick-dust—which had been washed and the diamonds taken out."*
Mr. Voysey, on his last journey from Nagpur to Calcutta, in 1824, visited the diamond washings of Sambalpur. He mentioned that the gems were
Sought for in the sand and gravel of the river—the latter consisting of pebbles of clay slate, flinty slate, jasper, and jaspery ironstone of all sizes, from an inch to a foot in diameter.t
The next mention of Sambalpur diamonds is to be found in Lieutenant Kittoe's account^ of his journey,
* This description suggests laterite as the matrix from which the diamonds were proximately derived. Messrs. Hislop and Hunter, vide infra, describe the diamonds of Weiragurh as occurring in laterite gravel. In this connexion it may be noted that one of the sources of Cape diamonds is said to be a super­ficial ferruginous conglomerate.
+ Vide Carter's " Summary of the Geology of India," p. 724.
J "Journal Asiatic Society, Bengal," vol. viii. p. 375. 1839. I