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producatori de bratari din China Rubine artificiale si pietre pretioase asemanatoare rubinului

Postat pe de Kingjy

The price of synthetic rubies made by the fire melting method is very low, and there are many decorations used in jewelry and watches. You must carefully observe with a magnifying glass to distinguish whether there are curved striae or gas bubbles of synthetic crystals; synthesis by flux method Ruby is more expensive to make, and the price is higher than that of fire-melted ruby. It is also more difficult to distinguish. It is necessary to carefully observe whether the ruby ​​contains a twisted veil-like inclusion Wispy-veil, which is similar to the fingerprint of the sky Finger prints are easy to cause confusion. Some flux rubies can find flux residues in the inclusions. These identifications are not made by untrained consumers based on experience, so the editor of Baolong still It is recommended to buy rubies that have been appraised by a professional appraiser, especially when buying high-priced rubies.

Natural red spinel, red tourmaline tourmaline and red garnet and ruby ​​are also very similar in appearance, but these gems can be distinguished by refractive index, specific gravity and gem content, appraisers and consumers familiar with gems can also It is distinguished from the special hue of the gem.

With continuous mining over the years, rubies have become very rare. If it is a large-grained, very clean, beautifully colored gemstone, but the price is low, please be careful and ask professionals to appraise it to avoid being deceived. Desigur, don’t be greedy. Observe the gem carefully. Even if you are not professional, you can see the difference between true and false.

 

Producătorul de bijuterii OEM/ODM Proiectarea personalizată propriile tale bijuterii

Să începem : mo@kingjy.com

 

Guangzhou Jingying Concentrat pe coliere cu inel cu ridicata personalizate Cercei de argint sterline 925 bijuterii,aur argintiu sterlin placat cu 18k,14K,24K Aur galben,Aur alb și aur de trandafir. Este capabil să personalizeze bijuterii argintii sterline diverse design,Marca logo -ului sau alte cuvinte prin gravură laser în conformitate cu cerința clientului.

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