6.13 Carat Tourmaline Oval (12.7×11mm, Dark Yellowish Green)
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64 mm
| Your settings | |
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Ring |
Gold |
Skin tone |
Light |
Ring diameter |
16.9 mm |
Ring width |
3.0 mm |
Finger length |
64 mm |
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Ring diameter:
16.9 mm
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Additional Info
Tourmaline has been a very popular gemstone since antiquity. It comes in a wide variety of colors, many times with two, or even three colors at once. It got its name from the Sinhalese word "turamali", which means "stone of mixed colors".
Where to buy?
For certified gemstones, high-end gemstone jewelry, and birthstone jewelry, see Blue Nile
Gem Details
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Name:
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Tourmaline |
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Mineral Class:
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Tourmaline |
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Shape:
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Oval |
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Chemical Formula:
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N/a |
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Crystal Structure:
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Hexagonal |
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Hardness:
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7 - 7.5 |
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Specific Gravity
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3.1 |
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Carat weight:
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6.13 ct |
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Gram weight:
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1.23 g (0.0432 ounces) |
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Points:
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613 pts |
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Length:
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12.7 mm |
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Width:
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11 mm |
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Est. face-up size:
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114.55 mm² |
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Volume:
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395.48 mm³ |
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Length-to-width ratio:
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1.15 |
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Refractive Index:
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1.616 - 1.650 |
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Cleavage:
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3,2 |
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Luster:
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Vitreous |
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Birefringence:
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0.018 |
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Wearability:
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Very good |
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Care Instructions:
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No special or unusual care |
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Color:
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Birthstone:
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Tourmaline is a birthstone for the month of October |
Popular comparisons:
- 5.8ct Tourmaline (Oval, Violet, 14.79 x 9.86) vs. 8ct Sapphire (Oval, Blue, 15.12 x 10.08)
- 14ct Tourmaline (Oval, Light Purple, 19.85 x 14) vs. 14ct Kunzite (Oval, Light Purple, 19.68 x 14)
- 3ct Tourmaline (Oval, White, 11.88 x 7.92) vs. 4.5ct Diamond (Oval, White, 13.4 x 8.93)
- 3.5ct Tourmaline (Oval, Light Green , 12.5 x 8.33) vs. 3.5ct Diamond (Oval, White, 12.32 x 8.21)
- 2.84ct Tourmaline (Oval, Violet, 11.66 x 7.77) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 8.8ct Tourmaline (Oval, Dark Yellowish Green, 15.22 x 11.45) vs. 6.54ct Sapphire (Pear, Dark Green, 12.83 x 9.31)
- 1ct Tourmaline (Oval, Red, 8.24 x 5.49) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 2.89ct Tourmaline (Oval, Red, 10.74 x 7.74) vs. 0.49ct Ruby (Oval, Red, 4.96 x 3.96)
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