Gem quality sapphire grading | high grade and low grade sapphire identification

Gem quality sapphire grading | high grade and low grade sapphire identification
This sapphire is brought directly from Mind, which we have mined and now we are sort it, By sorting the sapphire, we will grade it, color grading and transparency check to distinguish gem quality sapphire. We will sort it very carefully because a gem quality sapphire can be worth several hundred thousand dollars.
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[@upsidediy3945]

Very hard to price those . Saphires are usually clear and arent over expensive. The only thing i can down play, is these where in a crusher, and needs to be treated to make it to market.
Theres a few stories on having this mineral treated, and made clear gold or blue. Its hard to imagine the process, but heated with other chemicals.
Lab treating rocks, takes monthes and years to process.
My guess steaming rocks will have some different effects, than boiling or furnaces.