1 Carat Benitoite Marquise (10.18×5.09mm, Blue)
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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
Benitoite is a very rare blue gem first discovered in San Benito, California (hence the name). Benitoite is California state’s official gem.
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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Benitoite |
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Mineral Class:
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Benitoite |
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Shape:
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Marquise |
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Chemical Formula:
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BaTiSi3O9 |
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Crystal Structure:
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Hexagonal |
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Hardness:
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6 - 6.5 |
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Specific Gravity
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3.65 |
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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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10.18 mm |
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Width:
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5.09 mm |
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Est. face-up size:
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36.79 mm² |
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Volume:
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54.79 mm³ |
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Length-to-width ratio:
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2 |
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Refractive Index:
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1.75-1.80 |
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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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0.047 |
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Wearability:
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Care Instructions:
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Color:
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Birthstone:
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Benitoite is not an official birthstone for any month |
Popular comparisons:
- 1ct Benitoite (Marquise, Blue, 10.18 x 5.09) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 1.75ct Benitoite (Marquise, Dark Blue, 12.26 x 6.13) vs. 3.12ct Sinhalite (Cabochon, Brown, 10.47 x 6.98)
- 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)
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