478
The gold of the Indian Islands, whether obtained
from veins or mineral deposites, always appears
in the commercial transactions of the country in
the form of coarse sand or dust, that of the alluvial
deposites being, from attrition, always smooth, and is
of intrinsic value, usually in proportion to the size
and coarseness of the grains. In commercial language,
gold-dust is designated by the name of the
country which produces it, and that of the same
country is without any extraordinary variation,
pretty constantly of the same touch or fineness.
Independent of the quantity of copper or silver always
in chemical mixture with the ore, it invariably
contains a considerable mixture of earth,
iron, and other adventitious matters. The most
productive mines, it may be remarked, afford gold
of the lowest test, and that, which contains the
largest portion of mechanical admixture. The following
table presents at one useful view an analysis
of some of the most common descriptions which
appear in the markets.
o £LSo
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