Searching for Precious Jewellery Stones information? Follow the links below to find all the information you need and more.
https://www.gemsociety.org/gemstone-encyclopedia/
Next to diamond, corundum is the hardest mineral known and is very compact and dense, with no cleavage. As a result, corundum is one of the best of all jewelry stones, especially star corundum, …
https://www.gemrockauctions.com/learn/additional-gemstone-information/a-list-of-precious-and-semi-precious-gemstones-and-their-treatments
These terms are based on old traditions from the west. These days, all gemstones are considered precious since they are all rare and there is a limited supply of them. The traditional list of gemstones that are considered precious stones are: Diamond; Ruby; Sapphire; Emerald; All other gemstones …
https://www.gemselect.com/other-info/gemstone-list.php
Oct 17, 2007 · Sapphire, with its excellent hardness, second only to diamond, is one of the four traditional precious gemstones.
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