‘Natural and Untreated’ mean for Sapphire
The word “natural” identifies a Sapphire crystal that has been developed in the ground, not synthetically created or treated in a lab. The word “untreated” means that a sapphire has not undergone any heat or chemical treatments to improve its color or clarity.Most sapphires are heated up to a temperature of 1800 C° over several days. This allows for the color and clarity to improve. This is called ‘dry’ heat because nothing is added to the heating chamber other than the sapphire that came from the ground. But there are less ethical treatments that are often done to Sapphires that are unfortunately not always disclosed to the consumer.
What is an Untreated Unheated Sapphire?
Beauty, rarity and durability are the three factors that make a Gemstone valuable and why we fall in love with them.UntreatedSapphires means those that have not had any form of treatment to enhance their colour or clarity. This means these sapphires are in their purest form; they were mined and simply cut and polished to show their inner beauty.
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Q & A about Sapphires
Why heat Sapphires ?
To improve the color, offer various sizes, get a higher return on investment, and offer customers an affordable choice. An individual or company in the early stages of the supply chain felt that their unearthed, pre-heated stone lacked a desirable color. They can choose to leave the stone as-is or mark it for heat treatment. If they were to leave the stone in its natural state they would not reap a financial gain. But if they improve the color via heat treatment, the stone becomes more sellable and they can get a better return on their investment. For the consumer, these stones are a great, lower-cost, alternative to natural, unheated sapphires.
After heating a Sapphire , is the color permanent?
Yes, this is a boon for heated sapphires.
Are all heated sapphires the same?
No, and this is important. Heating only improves the color of a gemstone but it is not an equalizer.
By appearance, is there a difference between natural and heat-treated sapphires?
Yes, but to a trained eye. Generally speaking, natural no-heat sapphires will have a softer luster and smoother surface appeal. Heated sapphires display a glass-like surface that feels hard and unnatural.
Are natural, no-heat sapphires more rare and valuable?
Yes, Sapphires that have not undergone any color or clarity enhancement along the supply chain (mine to retail) are rare and therefore more valuable than heated sapphires that are abundant in the market.
So these are few interesting facts about Natural and Untreated Sapphire. We hope you would have enjoyed reading this article. Learn and buy gemstones in Canada,Montreal from visiting our website Bijouterie et Joyaux International
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