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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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Alexandrite Single
From our finest gemstones collection
Alexandrite Single Oval Eye clean
Size: 7.57 X 5.56 MM
Weight: 1.120 CTS
Shape: Oval
Clarity: Eye clean
Usually ships within 24 hours
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USD 24000.00
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Deal of the Day/
Beryl Single
limited time offer, ref# ZBE100df
Beryl Single Oval Slightly included
Size: 7.00 X 5.00 MM
Weight: 0.690 CTS
Shape: Oval
Clarity: Slightly included
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USD 37.26
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Today’s Trade/
Best Selling Gems:
Demantoid Demantoid
5 Demantoid ’s available
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Phenakite Phenakite
1 Phenakite ’s available
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Quartz Quartz
1 Quartz ’s available
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Scapolite Scapolite
23 Scapolite ’s available
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Grossularite Grossularite
5 Grossularite ’s available
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Gemstone Variety: Hits Index
Going Down Tanzanite -88605 -1.3%
average price USD 470.15 per item
Going Up Sapphire +25266 +9.8%
average price USD 395.57 per item
Going Up Amber +90249 +38.5%
average price USD 197.21 per item
Going Up Alexandrite +4659 +4.2%
average price USD 2485.40 per item
Going Up Spinel +5562 +7.4%
average price USD 451.98 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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