[SG] 6 STAR BLACK SAPPHIRE C3.52TS [S 1321]
About This Auction |
About This Seller: sedagems |
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| Minimum Bid (USD) | Feedback Rating | 99.56% Positive | |
| Current Bid (USD) | 0.00 | Member Since | July 19, 2007 in Australia |
| Bid Increment | 1.00 |
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| Bids Placed | 0 | ||
| Starting Bid (USD) | 22.00 | ||
| Reserve Price (USD) | none | ||
| Starts | January 7, 2009 12:05 PM | ||
| Ends | January 10, 2009 12:00 PM | Basic Shipping Information | |
| Auction Category | Sapphire Gemstones > Stones | Shipping Cost | 3.00 paid by buyer |
| Auction ID | 44716 | Shipping Insurance (optional) | 7.00 |
Ends in 18 hours 38 minutes |
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Gallery
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Description
Mined in india Hardness 9 Treatments heated weight 3.52 cts ap
size 8x 8x 5mm app Sapphires and rubies are formed at great depth in the earth's mantle or the lowest part of the crust Although blue is considered the normal color for sapphires, they can be found across a full range of spectral colors as well as brown, colorless, grey and black. Those other than blue in color are considered fancy color sapphires. A star sapphire is a type of sapphire that exhibits a star-like phenomenon known as asterism. Star sapphires contain intersecting needle-like inclusions (often the mineral rutile, a mineral composed primarily of titanium dioxide ) that cause the appearance of a six-rayed 'star'-shaped pattern when viewed with a single overhead light source. The value of a star sapphire depends not only on the carat weight of the stone but also the body color, visibility and intensity of the asterism.
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