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The Book of Talismans: Real and Artificial Gems and How to Test and Select Them

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The following notes are written in the hope that they may put readers upon their guard against some common deceptions and prevent disappointment which with a little knowledge can be avoided. The qualities which make gems valuable are beauty of colour, brilliancy or fire, and hardness, in which they excel all other substances known. A large variety of coloured stones come from Ceylon, and many tourists and travellers buy stones there in the hope of securing bargains, a hope that in the majority…

The Book of Talismans: Real and Artificial Gems and How to Test and Select Them

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