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Search Results - Gem of the Month, December 2017

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Gem of the Month
Colour Investigation: Zircon

Zircon is a mineral with certain optical properties that can rival those of a diamond. Found in a varied palette,the cause of colour in this gemstone is little known. STACEY LIM discusses two popular theories. Read more »


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Sunday, 22 July, 2018 10:20pm
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