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sell Ruby

FOB Price

Obtenir le dernier prix

600 / Milligram

Minimum Order

Localit�:

Prix de commande minimale:

Commande minimale:

1 Unit

Packaging Detail:

Bubble slick gemstone protector

Delivery Time:

1 - 4 days

Supplying Ability:

1000 Unit per Day

Payment Type:

T/T, Western Union, Money Gram, PayPal

Contacter maintenant

prestige gems ltd

Kenya

Membre gratuit

Personne Ã contacter George

Nairobi, Nairobi County

Contacter maintenant

Description

Good quality Red Ruby available rough and cut in all shapes
We are natural tanzanite supplier our company is located in Nairobi the biggest market for Natural Tanzanites.

We offer cut and rough tazanite in all shapes,upon request we are in a position to supply the quantity ordered at the fastest time possible.

our prices are reasonable considering that we offer quality Tanzanites.

We offer Tanzanites,Ruby,Sapphire,Emerals,Tsavorite,Rhodlite at reasonable prices.

Ruby is the red variety of the mineral corundum, one of the hardest minerals on Earth, of which the sapphire is also a variety. Pure corundum is colourless. Slight traces of elements such as chrome, iron, titanium or vanadium are responsible for the colour. These gemstones have excellent hardness. On the Mohs scale their score of 9 is second only to that of the diamond. Only red corundum is entitled to be called ruby, all other colours being classified as sapphires. The close relationship between the ruby and the sapphire has only been known since the beginning of the *9th century. Up to that time, red garnets or spinels were also thought to be rubies. (That, indeed, is why the \'Black Ruby\' and the \'Timur Ruby\', two of the British Crown Jewels, were so named, when they are not actually rubies at all, but spinels.)

Ruby, this magnificent red variety from the multi-coloured corundum family, consists of aluminium oxide and chrome as well as very fine traces of other elements - depending on which deposit it was from. In really fine colours and good clarity, however, this gemstone occurs only very rarely in the world\'s mines. Somewhat paradoxically, it is actually the colouring element chrome which is responsible for this scarcity. True enough, millions of years ago, when the gemstones were being created deep inside the core of the Earth, chrome was the element which gave the ruby its wonderful colour. But at the same time it was also responsible for causing a multitude of fissures and cracks inside the crystals. Thus only very few ruby crystals were given the good conditions in which they could grow undisturbed to considerable sizes and crystallise to form perfect gemstones. For this reason, rubies of more than 3 carats in size are very rare. So it is no wonder that rubies with hardly any inclusions are so valuable that in good colours and larger sizes they achieve top prices at auctions, surpassing even those paid for diamonds in the same category.

Some rubies display a wonderful silky shine, the so-called \'silk\' of the ruby. This phenomenon is caused by very fine needles of rutile. And now and then one of the rare star rubies is found. Here too, the mineral rutile is involved: having formed a star-shaped deposit within the ruby, it causes a captivating light effect known by the experts as asterism. If rubies of this kind are cut as half-dome shaped cabochons, the result is a six-spoked star which seems to glide magically across the surface of the stone when the latter is moved. Star rubies are precious rarities. Their value depends on the beauty and attractiveness of the colour and, though only to a lesser extent, on their transparency. Fine star rubies, however, should always display rays which are fully formed all the way to the imaginary horizontal line which runs through the middle of the stone, and the star itself should be situated right in the centre.

sell Ruby

prestige gems ltd

Description

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sell Ruby

prestige gems ltd

Description

Send a direct inquiry to this supplier

To:

Je veux savoir:

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