/ Our review & guides. Unheated Untreated Natural Oval 1014 mm. Vivid Blue Tanga Mine Sapphire. 9.9 13.8 6.7 mm.1.762 - 1.770. These gems have microscopic inclusions which are difficult to slightly difficult to see under a loupe with 10x magnification.
Small pin-pricks are just visible to the scrutiny of the close naked eye. However, the beauty of the gem is not diminished in anyway.Small pin-pricks and feathers are just visible to the scrutiny of the close naked eye. However, the overall beauty of the gem is still not diminished. These gems have inclusions which are fairly easy to see under the close naked eye. These inclusions are usually not really visible at an arm's length. I 1 , 2 & 3.
Medium to the lower qualities. Included gems with internal features that range from eye visible to very easily seen to the naked eye. These pictures were enlarged by 30x magnification. Therefore inclusions seen at this size will not be visible to the naked eye.
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Unheated Untreated Natural Oval 1014 Vivid Blue Tanga Mine Sapphire" is in sale since Tuesday, April 24, 2012. This item is in the category "Jewelry & Watches\Loose Diamonds & Gemstones\Loose Gemstones\Sapphire\Natural Sapphires".The seller is "zoultier" and is located in The center of Thailand's gem market. This item can be shipped worldwide.