0.5 Carat Topaz Cushion (4.63×4.63mm, Blue)
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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
Topaz is a gemstone of many colors. It’s commonly found colorless (white) and then treated to achieve desired colors. Blue Topaz is the most common and popular color variety.
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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Topaz |
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Mineral Class:
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Topaz |
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Shape:
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Cushion |
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Chemical Formula:
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Al2SiO4(F,OH)2 |
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Crystal Structure:
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Orthorhombic |
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Hardness:
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8 |
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Specific Gravity
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3.53 |
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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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4.63 mm |
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Width:
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4.63 mm |
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Est. face-up size:
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19.29 mm² |
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Volume:
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28.33 mm³ |
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Length-to-width ratio:
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1 |
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Refractive Index:
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1.610 - 1.638 |
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Cleavage:
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1,3 - basal |
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Luster:
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Vitreous |
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Birefringence:
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0.014 |
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Wearability:
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Very good |
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Care Instructions:
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Avoid hard hits or drops |
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Color:
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Birthstone:
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Topaz is a birthstone for the month of December |
Popular comparisons:
- 0.5ct Topaz (Cushion, Blue, 4.63 x 4.63) vs. 0.5ct Aquamarine (Cushion, Light Blue, 5.06 x 5.06)
- 0.5ct Topaz (Cushion, Blue, 4.63 x 4.63) vs. 0.6ct Topaz (Emerald, Blue, 5.62 x 4.16)
- 4ct Topaz (Cushion, Blue, 10 x 10) vs. 4ct Topaz (Round, Blue, 11 x 11)
- 28ct Topaz (Cushion, Blue, 17.7 x 17.7) vs. 28ct Diamond (Cushion, White, 17.69 x 17.69)
- 4ct Topaz (Cushion, Bluish Green, 9.25 x 9.25) vs. 7ct Topaz (Cushion, Bluish Green, 11.15 x 11.15)
- 2ct Topaz (Cushion, Light Bluish Green, 7.34 x 7.34) vs. 1ct Diamond (Round, White, 6.5 x 6.5)
- 2.5ct Topaz (Cushion, Blue, 7.91 x 7.91) vs. 1.2ct Topaz (Cushion, Blue, 6.19 x 6.19)
- 2.5ct Topaz (Cushion, Dark Violet, 7.91 x 7.91) vs. 1.5ct Diamond (Round, White, 7.44 x 7.44)
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