African Diamonds.	95
	fine Diamonds, but whether they can be worked at a profit has yet to be proved. Sufficient work has not yet been done on which to form an opinion. Outside the group worked by the De Beers Company, the production of Diamonds from other mines is small, and not as yet, though we cannot say what will happen, sufficient to interfere with the practical monopoly ex­ercised by the De Beers Company, or seriously to compete with them in the market.