Quartz
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Flexible style
Quartz, mountain crystal, moonstone and freshwater pearl necklaces are the latest additions to Ole Lynggaard's Globe Collection.
Quartz – and its many treatments
The Gemmological Association of Australia outlines a few of the many methods used to treat quartz.
The Bold and the Beautiful
An introductory guide to the world of coloured gemstones by the International Colored Gemstone Association.
