3.12 Carat Sinhalite Cabochon (10.47×6.98mm, Brown)
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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 |
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Saved...
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Ring diameter:
16.9 mm
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Additional Info
Sinhalite is one of the more recently discovered gemstones of earth-tone brown colors. It was first discovered in Sri Lanka in early 1950's and was named after the country – Sinhala is a Sanskrit name for Sri Lanka.
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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Sinhalite |
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Mineral Class:
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Sinhalite |
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Shape:
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Cabochon |
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Chemical Formula:
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MgAlBO4 |
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Crystal Structure:
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Orthorhombic |
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Hardness:
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6-7 |
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Specific Gravity
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3.48 |
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Carat weight:
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3.12 ct |
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Gram weight:
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0.62 g (0.022 ounces) |
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Points:
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312 pts |
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Length:
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10.47 mm |
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Width:
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6.98 mm |
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Est. face-up size:
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59.93 mm² |
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Volume:
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179.31 mm³ |
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Length-to-width ratio:
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1.5 |
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Refractive Index:
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1.665 - 1.712 |
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Cleavage:
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None |
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Luster:
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Vitreous |
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Birefringence:
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0.036 - 0.042 |
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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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Sinhalite is not an official birthstone for any month |
Popular comparisons:
- 2.7ct Ruby (Pear, Red, 10 x 7) vs. 3ct Ruby (Emerald, Red, 9 x 7)
- 1ct Kyanite (Oval, Blue, 7.77 x 5.18) vs. 1ct Tanzanite (Oval, Blue, 8.07 x 5.38)
- 1.5ct Tourmaline (Round, Light Red, 7.45 x 7.45) vs. 1.5ct Sapphire (Round, Light Blue, 6.84 x 6.84)
- 1ct Aquamarine (Oval, Light Blue, 8 x 6) vs. 1ct Spinel (Oval, Gray, 8 x 6)
- 1.16ct Diamond (Round, White, 6.82 x 6.85) vs. 1.2ct Diamond (Round, White, 6.82 x 6.86)
- 6ct Morganite (Cushion, Light Red, 12 x 10) vs. 3.5ct Sapphire (Cushion, Blue, 8.49 x 8.49)
- 1ct Alexandrite (Round, Bluish Green, 6.14 x 6.14) vs. 1ct Emerald (Emerald, Yellowish Green, 7.28 x 5.39)
- 1ct Sapphire (Baguette, Blue, 6.93 x 4.62) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
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