TOURMALINE Egypt Treasures Crystals 1 Oz Silber Münze 1500 Francs Benin 2016

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This beautiful Silver coin is dedicated to the Tourmalines gems, semi-precious stones, the treasures of the Ancient Egypt. This coin has the special inserts, green and black color gemstones, that make the coin very attractive, has a Proof quality and will be shipped in a beautiful box, with the Certificate of Authenticity. Limited mintage to 999 pieces worldwide.

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89.95 €

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Lieferdatum (Kann sich ändern): 01.07.2016
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Technische Daten
Land Benin
Jahr 2016
Nominal 1500 Franken
Metall Silber
Feinheit (Reinheit) 999/1000
Gewicht (g) 31.1 (1 oz)
Durchmesser (mm) 41
Erhaltung Polierte Platte
Auflage (Stück) 999
Zertifikat (COA) Ja
Etui Ja
 
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Tourmaline 
Tourmaline is a crystalline boron silicate mineral compounded with elements such as aluminium, iron, magnesium, sodium, lithium, or potassium. Tourmaline is classified as a semi-precious stone and the gemstone comes in a wide variety of colors. The name comes from the Tamil and Sinhalese word "Turmali" or "Thoramalli" which applied to different gemstones found in Sri Lanka.
Brightly colored Sri Lankan gem tourmalines were brought to Europe in great quantities by the Dutch East India Company to satisfy a demand for curiosities and gems. At the time it was not realised that schorl and tourmaline were the same mineral (it was only about 1703 that it was discovered that some colored gems weren't zircons). Tourmaline was sometimes called the "Ceylonese Magnet" because it could attract and then repel hot ashes due to its pyroelectric properties. Tourmalines were used by chemists in the 19th century to polarize light by shining rays onto a cut and polished surface of the gem.

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