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 53 Iolite gemstones available at Multicolour.com
- Iolite(s) are organized in the following categories:
Single, gemstones.
- Our most expensive Iolite is USD 184.03 and largest Iolite weight is CTS 4.27.
- Our cheapest Iolite is USD 21.00 and smallest Iolite weight is CTS 0.81.
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Find your Iolite
 Our Iolite(s) are available in various shapes, sizes and colors. 53 Iolite(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.
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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 |
Looking for other Gemstones?
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| Finest gems/ |
Sapphire Single
From our finest gemstones collection
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| Size: |
11.10 X 9.00 MM |
| Weight: |
6.660 CTS |
| Shape: |
Oval |
| Clarity: |
Eye clean to Slightly included |
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| Usually ships within 24 hours |
OUR PRICE
USD 7769.00
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| Deal of the Day/ |
Danburite Single
limited time offer, ref# YDN109ai
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| Size: |
9.00 X 6.20 MM |
| Weight: |
1.810 CTS |
| Shape: |
Cushion |
| Clarity: |
Slightly included |
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| Usually ships within 24 hours |
| 10 % OFF, YOU SAVE 5.15 USD |
NOW ONLY
USD 46.33
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| Today’s Trade/ |
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| Gemstone Variety: |
Hits |
Index |
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Amber |
+84071 |
+1.4% |
| average price USD 183.13 per item |
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Sapphire |
-20623 |
-0.7% |
| average price USD 401.31 per item |
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Parisite |
+2615 |
+0.3% |
| average price USD 122.67 per item |
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Anatase |
-3263 |
-0.4% |
| average price USD 221.50 per item |
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Alexandrite |
-4235 |
-0.5% |
| average price USD 1956.52 per item |
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See more
real time gem reports. |
| Exchange rates to USD |
| Canada Dollars |
1.387 |
| Euro |
0.883 |
| United Kingdom Pounds |
0.756 |
| Japan Yen |
142.927 |
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our prices in your home currency. |
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