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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 to Slightly included
Size: 11.00 X 6.90 MM
Weight: 3.180 CTS
Shape: Oval
Clarity: Eye clean to Slightly included
Usually ships within 24 hours
OUR PRICE
USD 21178.80
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Deal of the Day/
Danburite Single
limited time offer, ref# XDN237er
Danburite Single Octagon Eye clean
Size: 11.60 X 7.60 MM
Weight: 3.840 CTS
Shape: Octagon
Clarity: Eye clean
Usually ships within 24 hours
10 % OFF, YOU SAVE 6.91 USD
NOW ONLY
USD 62.21
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Today’s Trade/
Best Selling Gems:
Sapphire Sapphire
1616 Sapphire ’s available
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Spinel Spinel
399 Spinel ’s available
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Alexandrite Alexandrite
272 Alexandrite ’s available
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Tanzanite Tanzanite
455 Tanzanite ’s available
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Zircon Zircon
244 Zircon ’s available
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Gemstone Variety: Hits Index
Going Down Amber -3215 -0.1%
average price USD 179.62 per item
Going Down Sapphire -2214 -0.1%
average price USD 385.49 per item
Going Down Alexandrite -48 +-0.0%
average price USD 2027.52 per item
Going Down Anatase -1677 -0.4%
average price USD 206.25 per item
Going Up Turquoise +863 +0.2%
average price USD 55.56 per item
See more real time gem reports.
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Gem Library /
Gems Legend and  Lore This month birthstone: Ruby
More from the Gem Library about Birthstones.
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June 21 – July 22
Cardinal Sign. Relates to water. Your zodiac stone...more

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