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Natural Kyanite

Kyanite is a mineral infrequently cut as a gemstone. It occurs in light to dark blue, green, colorless and brown colors in a transparent form with the blue color being most used in gemstones. Kyanite is of interest because of the extreme variablity in hardness with direction. In one direction, the hardness is 4.5 and in the other it is 7. Very easy cleavage is encountered in one direction with a less perfect cleavage occurring at 74 degrees to the first. The finest gem quality Kyanite may be confused in appearance with spinel or blue sapphires from Burma.


  • There are 47 Kyanite gemstones available at Multicolour.com
  • Kyanite(s) are organized in the following categories: CalibratedSingle,  gemstones.
  • Our most expensive Kyanite is USD 187.92 and largest Kyanite weight is CTS 7.83.
  • Our cheapest Kyanite is USD 25.08 and smallest Kyanite weight is CTS 1.06.

Find your Kyanite

Our Kyanite(s) are available in various shapes, sizes and colors. 47 Kyanite(s), too many to look through? You may select any combination of search options. Colors grade into each other and you can search for more than one color at once. For a better selection, try selecting two or three colors, -- your first choice plus the two closest colors.

Shape Length (mm) Width (mm)
Category Weight (cts) Price (USD)
Color range
blue
bluish violet
violetish blue
violet

Kyanite Profile

Color information: Blue, Greenish Blue.
Refractive Index: 1.716 – 1.731
Chemical Composition: AL2SIO5
Hardness: 4.5 – 7.0
Density: 3.56 – 3.68
Crystal Group: Triclinic
Ocurrence: Kenya, Nepal, India, Burma,U.S.A.
Sign of the Zodiac: N/A
Month of the year: N/A
Kyanite

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Finest gems/
Alexandrite Single
From our finest gemstones collection
Alexandrite Single Oval Eye clean
Size: 11.20 X 7.20 MM
Weight: 3.05 CTS
Shape: Oval
Clarity: Eye clean
Usually ships within 24 hours
OUR PRICE
USD 21830.00
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Deal of the Day/
Freshwater Pearls Closeout
limited time offer, ref# XPL152cw
Freshwater Pearls Closeout Fancy Translucent
Size: 43.20 X 14.50 MM
Weight: 15.37 CTS
Shape: Fancy
Clarity: Translucent
Usually ships within 24 hours
10 % OFF, YOU SAVE 0.77 USD
NOW ONLY
USD 6.92
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Today’s Trade/
Multicolour Bestsellers:
Sapphire Single Sapphire Single
908 Sapphire ’s available
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Tanzanite Single Tanzanite Single
240 Tanzanite ’s available
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Spinel Single Spinel Single
257 Spinel ’s available
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Zircon Single Zircon Single
477 Zircon ’s available
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Tourmaline Single Tourmaline Single
159 Tourmaline ’s available
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People search for: Hits Index
Going Down Alexandrite -85 -0.2%
average price USD 2214.68 per item
Going Up Sapphire +25 +0.1%
average price USD 427.36 per item
Going Up Spinel +4 +0.0%
average price USD 624.29 per item
Going Down Diamond -21 -0.1%
average price USD 7515.12 per item
Going Down Tanzanite -104 -0.6%
average price USD 979.34 per item
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Gem Library /
Gems Legend and  Lore This month birthstone: Ruby
More from the Gem Library about Birthstones.
Leo Leo
July 23 – August 22
Fixed sign. Leo is enthusiastic and creative. Your zodiac stone...more

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