1 Carat Tourmaline Round (6.51×6.51 mm)
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Skin tone:
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Ring width:
3.0 mm
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64 mm
| Your settings | |
|---|---|
Ring |
Gold |
Skin tone |
Light |
Ring diameter |
16.9 mm |
Ring width |
3.0 mm |
Finger length |
64 mm |
|
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?
Where to buy?
For Tourmaline check what Amazon has to offer. You'll usually find quite a selection from many different vendors. Worth a check. For other high quality gemstones (Rubies, Saphhires, Emeralds) and especially Diamonds, I highly recommend JamesAllen.
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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Round |
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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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1 ct |
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Gram weight:
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0.2 g (0.0071 ounces) |
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Points:
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100 pts |
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Length:
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6.51 mm |
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Width:
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6.51 mm |
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Average diameter:
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6.51 mm |
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Est. face-up size:
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33.29 mm² |
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Volume:
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64.52 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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|
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Birthstone:
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Tourmaline is a birthstone for the month of October |
Popular comparisons:
- 1ct Tourmaline (Round, Violet, 6.51 x 6.51) vs. 1ct Amethyst (Cushion, Light Purple, 6.41 x 6.41)
- 1ct Tourmaline (Round, Violet, 6.51 x 6.51) vs. 1ct Diamond (Round, White, 6.5 x 6.5)
- 1ct Tourmaline (Round, Violet, 6.51 x 6.51) vs. 1.02ct Sapphire (Round, Blue, 6.02 x 6.02)
- 1ct Tourmaline (Round, Violet, 6.51 x 6.51) vs. 1ct Topaz (Round, Blue, 6.23 x 6.23)
- 1ct Tourmaline (Round, Violet, 6.51 x 6.51) vs. 0.8ct Tourmaline (Round, Violet, 6.04 x 6.04)
- 1ct Tourmaline (Round, Violet, 6.51 x 6.51) vs. 1ct Topaz (Emerald, Blue, 6.66 x 4.93)
- 1ct Tourmaline (Round, Violet, 6.51 x 6.51) vs. 1ct Zircon (Round, Orange, 5.69 x 5.69)
- 1ct Tourmaline (Round, Violet, 6.51 x 6.51) vs. 1.02ct Diamond (Round, White, 6.54 x 6.54)
- 1ct Tourmaline (Round, Violet, 6.51 x 6.51) vs. 1ct Andesine (Round, Orange, 6.84 x 6.84)
- 1ct Tourmaline (Round, Violet, 6.51 x 6.51) vs. 1ct Tourmaline (Emerald, Violet, 6.95 x 5.15)
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