Real Turquoise
Identifying a real Turquoise is not easy even for experts. It is recommended to ask for a certificate once you purchase one.
But there are a couple of ways that you can identify a real one:
- The veins in the stone are the remains of rocks and metals that have already formed over a million years and appear during the process of oxidation. Depending on the type of turquoise, these veins can appear in black, white, brown, and yellow. It is very difficult to create this kind of natural design in factories that are trying to imitate turquoise, so you can easily recognize fake types.
- Place the purchased stone in the sun for a short time. If the colour changes slightly, this indicates that they used artificial colour and the turquoise is fake.
- Use your finger or a nail to rub along the surface of the stone. If a deep line appears on the stone your turquoise is fake. Not only will it not be scratched, but it can also make a scratch on a glass.
Turquoise is one of the most popular gemstones in the world. The colour varies between To identify the value of it.
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Turquoise Value:
Turquoise stones have different values because each one differs in size and quality from one another. All Turquoise stones in the world are measured and valued by comparing them to Neishabour’s (City in Iran) and this provides a rating scale for turquoise pricing. The price range varies after the stone is cut and polished on a per-carat basis.
Neishabour’s Turquoise is the worldwide criterion for price and quality evaluation of stones.
Turquoise pricing factors:
- The Mine: The mine is the foremost factor in determining Turquoise value. If mining operation hauls or if the amount of extraction decreases, the price will increase significantly. This stone is mined in many parts of the world, but Iran, Tibet, the USA, and Egypt have principal turquoise mines all over the world. The most important mines in Iran are in Neishabour, Damghan, and Kerman and the most valuable type in the world’s commercial trade is Neishabour turquoise.
- Hardness: once the turquoise is mined, only a small part can be used in jewelry depending on the stone’s hardness. To have the stones be ready for market they have to be shaped and treated. We could rarely find a stone ready for use in jewelry when it comes from the mine. Hardness is one of the turquoise valuation factors to have turquoise polished.
- Colour: The most prized Turquoise is an even blue, traditionally called Persian Blue. It is good to know that the colour of this gem is blue due to the presence of some copper in it, The Presence of chromium or vanadium turns the colour to green and the presence of iron turns the colour of the stone to yellowish green. The colour of the original stone is usually slightly matte.
- Matrix: Some of these stones have streaks, but others are completely smooth and uniformly blue, with no streaks or fractures on their surface. String turquoise, also known as spider, is popular in the market. What is very important for buyers is the colour of the stone. If it has golden streaks inside, it will be more expensive.
In most Persian turquoises there are a couple of streaks or black or brownish-brown veins that are related to the parent rock that makes them up. These streaks are sometimes formed in regular and irregular designs, in which case they are called tree designs. If this design is regular, transparent, and beautiful, it will increase the price of turquoise stones, and if it is irregular and impure in the form of dots and spots, the price will be reduced. The more similar the streaks on this mineral to the foliage, the more expensive the stone is.
The difference between turquoise and azure
One of the main differences between turquoise and azure is that if turquoise is exposed to oxygen and air for a very long time, it loses its colour and becomes powder. Another difference in the size of these rocks is at the time of their extraction because the turquoise stone at the time of extraction was obtained in small sizes and at most the size of a bird
eggs, or at least the pieces found in the excavations were not larger than this size, no need to cut There was no initial fragmentation.
It seems that the possession of luxury objects has been a kind of social value in ancient societies. For this reason, on beads of precious stones, motifs were engraved, hung around the neck, or tied on the arm as prayers and supplications for harm, loss, and evil.
In Ferdowsi’s Shahnameh, such beads are also mentioned. For example, in the story of Sohrab being killed by Rostam, Sohrab says to introduce himself to Rostam: “When he left, he tied a bead on my arm and told me to remember Cain from his father and see if he would come to work.”
In ancient times, colourful beads were known to have special efficiency and benefits, and in one of the Pahlavi writings about these beads, it is stated: The celestial bead of thought should shine. The one who has a celestial bead with white veins should always be at peace and never have pain in his body.
“And it was from this precious stone that the rich made their seals,” wrote Will Durant in the Orient, the cradle of civilization.
In the translation of the Pahlavi text, we read: “The bead of the sky, which is obvious and is taken before the court and
the wicked, can not bite or harm its holder, they are not afraid of them.”
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