Natural Bi Color Tourmaline
Bi color tourmaline is the name given to tourmaline which displays more than one color in the same cystal. |
- Sorry, Bi Color Tourmaline is out of stock!
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Bi Color Tourmaline Profile
| Color information: |
Green, red, yellow, orange. brown, green, pink. |
| Refractive Index: |
1.624(+.005, -.005) - 1.644(+.006, -.006) |
| Chemical Composition: |
(NaCa)(LI,MgFe,Al)9B3Si6(O,OH)31 |
| Hardness: |
7-7.5 |
| Density: |
3.06 (.05, +.15) |
| Crystal Group: |
Hexagonal |
| Ocurrence: |
East Africa, Brazil, USA, Afghanistan, Nigeria, Madagascar. |
| Sign of the Zodiac: |
N/A |
| Month of the year: |
N/A |
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Tourmaline is a gemstone noted for the large number of colors in which it occurs. The chemical composition of tourmaline is extremely complex and the variations reveal themselves in a large variety of colors.
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| Finest gems/ |
Sapphire Single
From our finest gemstones collection
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| Size: |
11.10 X 9.00 MM |
| Weight: |
6.660 CTS |
| Shape: |
Oval |
| Clarity: |
Eye clean to Slightly included |
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| Usually ships within 24 hours |
OUR PRICE
USD 7769.00
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| Deal of the Day/ |
Danburite Single
limited time offer, ref# XDN108ao
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| Size: |
19.10 X 18.90 MM |
| Weight: |
26.630 CTS |
| Shape: |
Cushion |
| Clarity: |
Slightly included |
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| Usually ships within 24 hours |
| 10 % OFF, YOU SAVE 55.26 USD |
NOW ONLY
USD 497.31
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| Today’s Trade/ |
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| Gemstone Variety: |
Hits |
Index |
 |
Amber |
-13465 |
-0.2% |
| average price USD 197.21 per item |
|
Sapphire |
-1740 |
-0.1% |
| average price USD 399.20 per item |
 |
Alexandrite |
+4959 |
+0.5% |
| average price USD 2329.42 per item |
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Parisite |
-476 |
-0.1% |
| average price USD 132.55 per item |
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Anatase |
-1474 |
-0.2% |
| average price USD 221.50 per item |
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See more
real time gem reports. |
| Exchange rates to USD |
| Canada Dollars |
1.375 |
| Euro |
0.854 |
| United Kingdom Pounds |
0.739 |
| Japan Yen |
147.222 |
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