0.5 Carat Topaz Round (5×5 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
|
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?
Where to buy?
For certified gemstones and high-end gemstone jewelry, check offers at:
James Allen → quality gemstones (Rubies, Sapphires, Emeralds) and especially Diamonds
Blue Nile → gemstones and diamonds, birthstones jewelry
Brian Gavin → nice selection of gemstones, top-end signature diamonds
Gem Details
Name:
|
Topaz |
Mineral Class:
|
Topaz |
Shape:
|
Round |
Chemical Formula:
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Al2SiO4(F,OH)2 |
Crystal Structure:
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Orthorhombic |
Hardness:
|
8 |
Specific Gravity
|
3.53 |
Carat weight:
|
0.5 ct |
Gram weight:
|
0.1 g (0.0035 ounces) |
Points:
|
50 pts |
Length:
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5 mm |
Width:
|
5 mm |
Average diameter:
|
5 mm |
Est. face-up size:
|
19.63 mm² |
Volume:
|
28.33 mm³ |
Length-to-width ratio:
|
1 |
Refractive Index:
|
1.610 - 1.638 |
Cleavage:
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1,3 - basal |
Luster:
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Vitreous |
Birefringence:
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0.014 |
Wearability:
|
Very good |
Care Instructions:
|
Avoid hard hits or drops |
Color:
|
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Birthstone:
|
Topaz is a birthstone for the month of December |
Popular comparisons:
- 1ct Topaz (Round, Blue, 6.23 x 6.23) vs. 1ct Tourmaline (Round, Violet, 6.51 x 6.51)
- 1ct Topaz (Round, Blue, 6.23 x 6.23) vs. 1ct Diamond (Round, White, 6.5 x 6.5)
- 2ct Topaz (Round, Blue, 7.85 x 7.85) vs. 1ct Topaz (Round, Blue, 6.23 x 6.23)
- 1ct Topaz (Round, Blue, 6 x 6) vs. 0.5ct Topaz (Round, Blue, 5 x 5)
- 1ct Topaz (Round, White, 6.23 x 6.23) vs. 1ct Spinel (Round, Red, 6.19 x 6.19)
- 1ct Topaz (Round, Blue, 6.23 x 6.23) vs. 1ct Tourmaline (Round, Blue, 6.51 x 6.51)
- 2ct Topaz (Round, Blue, 7.85 x 7.85) vs. 2ct Diamond (Round, White, 8.19 x 8.19)
- 2ct Topaz (Round, Light Bluish Green, 7.85 x 7.85) vs. 1.65ct Sapphire (Emerald, Blue, 7.8 x 5.8)
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