MINERALOGY 



1 in decomposed granite, forming a vein about three 

 feet wide, which is enclosed by the white sandstone rock, 

 dips down at a high angle with the horizon. 

 " Large scales of chlorite occur with it, which, as they 

 ■nerally found where the tin is most abundant, is 

 natives ' the mother of tin.' The face of the 

 spot scattered over with these, which appear 

 to have been brought down from the vein with other mat- 

 ter from which the tin has been separated by the usual 

 of washing. It will be noticed, that the granite is 

 completely decomposed, and that the crystals would be 

 •rated by washing. No tin has been raised 

 nice the country carr.e into our possession, but the 



s been known. It was worked during the 

 rule, and valued as supplying the richest ore of tin. 

 A Burmese residing near the spot, pointed out the place 

 where lus operations had ceased. He had followed the 

 i vein alluded to, as well as he was able, 

 and had driven a gallery under ground in an inclined di- 

 = ards, till the bank above fell in, when the 

 .bandoned. He stated that he had procured 

 - iideral entities of tin daily, and that he often 



it in large masses mixed with yellow ground. Ar- 

 . here his work had terminated, I set 

 ate and find, if possible, the vein which had 

 h was reached after about two hours' 

 ig, at the depth of five feet from the surface of the 

 the hill in which we stood. In about a quarter cf 

 lour, a few baskets of the decomposed granite were 

 removed down the hill, lrom which an amount of the crys- 

 tallized peroxide of tin, equal to 63.176 grains of pure tin, 

 were collected. 



' The crystallized form in which the ore is here found 

 venders its separation extremely easy, and the whole pro- 

 cesses of strnnping and dressing, which in England are 

 tedious and expensive operations, can thus be dispensed 

 with. No arsenic or sulphur being mixed with the ore, 

 it need not be roasted before it is placed in the furnace." 

 This ore he adds, as quoted by Mr. O'Riley, " contains 

 specimens of macled crystals, which in weight and size 



