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/ |
Alexandrite Single
From our finest gemstones collection
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| Size: |
7.57 X 5.56 MM |
| Weight: |
1.120 CTS |
| Shape: |
Oval |
| Clarity: |
Eye clean |
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| Usually ships within 24 hours |
OUR PRICE
USD 24000.00
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| Deal of the Day/ |
Chrome Tourmaline Single
limited time offer, ref# YCH102al
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| Size: |
10.90 X 8.30 MM |
| Weight: |
3.430 CTS |
| Shape: |
Oval |
| Clarity: |
Slightly included |
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| Usually ships within 24 hours |
| 10 % OFF, YOU SAVE 34.30 USD |
NOW ONLY
USD 308.70
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| Today’s Trade/ |
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| Gemstone Variety: |
Hits |
Index |
 |
Tanzanite |
+604628 |
+5.2% |
| average price USD 461.91 per item |
 |
Sapphire |
-54604 |
-17.0% |
| average price USD 399.54 per item |
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Amber |
-86741 |
-33.1% |
| average price USD 197.21 per item |
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Alexandrite |
-9144 |
-6.9% |
| average price USD 2493.35 per item |
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Spinel |
-8520 |
-9.9% |
| average price USD 450.62 per item |
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See more
real time gem reports. |
| Exchange rates to USD |
| Canada Dollars |
1.371 |
| Euro |
0.862 |
| United Kingdom Pounds |
0.745 |
| Japan Yen |
158.555 |
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