Precious Stones
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BECAUSE of the rapid increase in knowledge about precious stones on the part of the buying public, it has become necessary for the gem merchant and his clerks and salesmen to know at least as much about the subject of gemology as their better-informed customers are likely to know. Our...
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BECAUSE of the rapid increase in knowledge about precious stones on the part of the buying public, it has become necessary for the gem merchant and his clerks and salesmen to know at least as much about the subject of gemology as their better-informed customers are likely to know.
Our first few lessons will therefore be concerned chiefly with learning the best means of telling the different stones from one another.