0.5 Carat Tourmaline Cushion (4.83×4.83mm, Light 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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Saved...
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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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Cushion |
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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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0.5 ct |
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Gram weight:
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0.1 g (0.0035 ounces) |
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Points:
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50 pts |
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Length:
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4.83 mm |
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Width:
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4.83 mm |
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Est. face-up size:
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21 mm² |
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Volume:
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32.26 mm³ |
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Length-to-width ratio:
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1 |
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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 (Cushion, Dark Green, 10.69 x 10.69) vs. 6.53ct Sapphire (Pear, Dark Green, 12.83 x 9.31)
- 1ct Tourmaline (Cushion, Violet, 6.09 x 6.09) vs. 1ct Tourmaline (Emerald, Violet, 6.95 x 5.15)
- 3.9ct Tourmaline (Cushion, Light Yellow, 9.58 x 9.58) vs. 6.3ct Tourmaline (Cushion, Light Yellow, 11.24 x 11.24)
- 6ct Tourmaline (Cushion, Light Yellow, 11.06 x 11.06) vs. 3ct Chrysoberyl (Cushion, Light Yellowish Green, 8.28 x 8.28)
- 5.5ct Tourmaline (Cushion, Dark Bluish Green, 10.75 x 10.75) vs. 1.5ct Sapphire (Round, Light Blue, 6.84 x 6.84)
- 7.56ct Tourmaline (Cushion, Dark Green, 10.69 x 10.69) vs. 8.8ct Tourmaline (Oval, Dark Yellowish Green, 15.22 x 11.45)
- 3.9ct Tourmaline (Cushion, Light Yellow, 9.58 x 9.58) vs. 3.6ct Diamond (Cushion, White, 8.93 x 8.93)
- 6ct Tourmaline (Cushion, Light Yellow, 11.06 x 11.06) vs. 3.6ct Diamond (Cushion, White, 8.93 x 8.93)
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