COPPER. jraris. Carbonic Acid, , _ jg >j-q Per-oxide of Copper, - 60.75 Per oxide of Iron, - . 19.50 Silica, - _ . . 210 Loss, - ... ag5 100.00 Thomson, in Phil. Trans, for 1814. Geognosiic Situation. It appears to occur in nests in primitive rocks, which are of greenstone, or some similar rock of the primitive trap series subordinate to mica-slate. It is associated with malachite. Geographic Situation. In the peninsula of Hindostan, near the eastern border ot the Mysore country. Observations. This mineral was discovered by Dr Benjamin HevnA about the year 1800, in the Mysore country, and was first described and analysed by Dr Thomson in 1813. 15. Copper-