Page:A treatise on diamonds and precious stones including their history Natural and commercial.djvu/75

 of the smallest size, of which the weight does not exceed the tenth of a carat, and even the fifth of a grain, are the most abundant.

the places where this gem is found, it appears quite out of its natural situation; nor has it yet been discovered in what substance it was originally formed.

does not require much geological information to determine, with tolerable certainty, whether alluvial soil contain gold and diamonds; and after having acquired a little experience, any one would attain a tact that might enable him to distinguish at once, a bolsa of Indian diamonds from those of Borneo,