Indian Science and Technology in the Eighteenth Century: Some Contemporary European Accounts c23.s4.1

c23.s4.1

The district of Panna produces diamonds, and the tract in which they are found, borders on the iron mines of Katola; the Ken river being the boundary between them; and though this circumstance is foreign to my present object, it is at least curious, as it may perhaps serve to show, the connection, between the gem and ferruginous matter: the iron mines of Katola are in a cluster² of hills which extend between the Ken and Dessan rivers, and the ore, with one exception only, consists of varieties of the red oxide, its changes being from the most compact form, having a metallic lustre, into common argillaceous, according to the quantum of clay, associated with it; the nature of which will be best understood from the specimens which are sent herewith.