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Natural Iolite

Also called Dichroite, Iolite is a blue silicate mineral that occurs as crystals or grains in igneous rocks, only as a result of contamination of the magma by aluminous sediment. When clean, blue iolite is sometimes cut as a gem; the stones from the gem gravels of Sri Lanka have been called water sapphires. Iolite has enjoyed a recent resurgence in popularity due to its affordability and similarity to tanzanite and sapphire at a much lower price.


  • There are 1 Iolite gemstones available at Multicolour.com
  • Iolite(s) are organized in the following categories: Single,  gemstones.

Iolite Profile

Color information: violet, blue, dark blue,
Refractive Index: 1.53 - 1.55
Chemical Composition: MG2AL4SI5O18
Hardness: 7 - 7.5
Density: 2.57 - 2.66
Crystal Group: Orthorhombic
Ocurrence: Sri Lanka, Burma, India, Tsivory-Madagascar, Canada, Namibia, Tanzania, Norway, U.S.A., Brazil
Sign of the Zodiac: N/A
Month of the year: N/A
Iolite

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Finest gems/
Tsavorite Single
From our finest gemstones collection
Tsavorite Single Pear Eye clean
Size: 14.80 X 8.10 MM
Weight: 5.410 CTS
Shape: Pear
Clarity: Eye clean
Usually ships within 24 hours
OUR PRICE
USD 14607.00
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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
Browse gems | Learn More
Spinel Spinel
348 Spinel ’s available
Browse gems | Learn More
Tanzanite Tanzanite
255 Tanzanite ’s available
Browse gems | Learn More
Alexandrite Alexandrite
207 Alexandrite ’s available
Browse gems | Learn More
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 -551 +-0.0%
average price USD 2651.27 per item
Going Down Tsavorite -331 +-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
See more real time gem reports.
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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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