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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
Bi Color Tourmaline
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/
Taaffeite Single
From our finest gemstones collection
Taaffeite Single Oval Eye clean
Size: 8.90 X 7.20 MM
Weight: 2.850 CTS
Shape: Oval
Clarity: Eye clean
Usually ships within 24 hours
OUR PRICE
USD 15390.00
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Deal of the Day/
Alexandrite Single
limited time offer, ref# YAX812ab
Alexandrite Single Marquise Moderately to Heavily included
Size: 4.60 X 2.20 MM
Weight: 0.180 CTS
Shape: Marquise
Clarity: Moderately to Heavily included
Usually ships within 24 hours
10 % OFF, YOU SAVE 12.60 USD
NOW ONLY
USD 113.40
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Today’s Trade/
Best Selling Gems:
Sapphire Sapphire
892 Sapphire ’s available
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Spinel Spinel
348 Spinel ’s available
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Tanzanite Tanzanite
255 Tanzanite ’s available
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Alexandrite Alexandrite
207 Alexandrite ’s available
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Zircon Zircon
279 Zircon ’s available
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Gemstone Variety: Hits Index
Going Up Sapphire +885 +0.0%
average price USD 325.77 per item
Going Down Alexandrite -550 +-0.0%
average price USD 2651.27 per item
Going Down Tsavorite -330 +-0.0%
average price USD 329.85 per item
Going Down Spinel -207 +-0.0%
average price USD 526.32 per item
Going Up Diamond +6 +0.0%
average price USD 10428.87 per item
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Gem Library /
Gems Legend and  Lore This month birthstone: Aquamarine
More from the Gem Library about Birthstones.
Pisces Pisces
February 19 – March 20
Mutable Sign. Very sensitive. Your zodiac stone...more

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