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!
|
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 |
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.
|
Looking for other Gemstones?
|
|
Finest gems/ |
Demantoid Single
From our finest gemstones collection
|
|
Size: |
9.61 X 7.67 MM |
Weight: |
2.600 CTS |
Shape: |
Shield |
Clarity: |
Slightly included |
|
Usually ships within 24 hours |
OUR PRICE
USD 9800.00
|
 |
|
|
Deal of the Day/ |
Beryl Pair
limited time offer, ref# ZBE100by
|
|
Size: |
6.10 X 4.90 MM |
Weight: |
1.080 CTS |
Shape: |
Oval |
Clarity: |
Eye clean to Slightly included |
|
Usually ships within 24 hours |
10 % OFF, YOU SAVE 7.56 USD |
NOW ONLY
USD 68.04
|
 |
|
|
Todays Trade/ |
|
Gemstone Variety: |
Hits |
Index |
 |
Amber |
+170795 |
+2.9% |
average price USD 183.13 per item |
 |
Sapphire |
-52703 |
-1.8% |
average price USD 398.96 per item |
 |
Parisite |
-4525 |
-0.5% |
average price USD 122.67 per item |
 |
Anatase |
-131828 |
-15.9% |
average price USD 221.50 per item |
 |
Alexandrite |
-1360 |
-0.2% |
average price USD 2001.07 per item |
See more
real time gem reports. |
Exchange rates to USD |
Canada Dollars |
1.432 |
Euro |
0.918 |
United Kingdom Pounds |
0.772 |
Japan Yen |
149.830 |
Switch
our prices in your home currency. |
|
|
|
|