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#jewelleryfacts365 214/365 Gem fact
Tourmaline crystals may be green at one end and pink at the other, or green on the outside and pink inside; this type is called watermelon tourmaline.
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| Watermelon tourmaline pendant (sold) |
#jewelleryfacts365 213/365 Gem fact
In the ancient Persian Empire, the sky-blue gemstones were earlier worn round the neck or wrist as protection against unnatural death. If they changed colour, the wearer was thought to have reason to fear the approach of doom. Meanwhile, it has been discovered that the turquoise certainly can change colour, but that this is not necessarily a sign of impending danger. The change can be caused by the light, or by a chemical reaction brought about by cosmetics, dust or the acidity of the skin.
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| Vintage persian turquoise tiara |
Jewellery masterpieces
Tuesday, August 30, 2016
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| Antique gold and gem set pendant with a flamenco dancer by Fuset y Grau, Barcelona c.1910 |
#jewelleryfacts365 212/365 Gem fact
Widely seen as a geological phenomenon, tanzanite formed in the earth's surface over 585 million years ago.
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| Tanzanite rough stone and cut stone |
#jewelleryfacts365 211/365 Gem fact
What is widely known as onyx is actually black chalcedony, a variety of quartz.
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