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Search Result > Total (40) Items Found. Sort By :  Price  |  Price Per Carat  |  Weight  |  Shape 

Derived from the Greek meaning “violet”, iolite is the gemological term for the mineral cordierite. While cordierite can be found in other hues, iolite gemstones are almost always blue. Previously known as dichroite, this material is noted for its very strong pleochroism, with a stone’s cutting orientation and/or the angle from which it is being viewed determining whether a deep violetish-blue, yellowish-gray or very pale blue coloration is observed. In fact, iolite's appearance in the latter near-colorless direction has led to it sometimes being known by the misnomer of “water sapphire”.

One interesting historical use for iolite was as a primitive polarizing lens to help sailors locate the position of the sun on an overcast day. This, in combination with the water-like appearance described above, has led to the gemstone becoming inextricably linked with seafaring cultures.

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WSA0395
Iolite Crystal
$ 6.00
13 pcs 45.25cts

 
WSA0396
Iolite Crystal
$ 6.00
9 pcs 45.12cts

 
WSA0400
Iolite Crystal
$ 6.00
14 pcs 45.15cts

 
WSA0401
Iolite Crystal
$ 6.00
8 pcs 45.19cts

 
CDA0057
"Riolite" Cab
$ 29.00
1 pcs 83.81cts

 
CDA0058
"Riolite" Cab
$ 17.00
1 pcs 29.53cts

 
SGA0896
Unheated Iolite Cabochon
$ 18.00
1 pcs 25.81cts

 
XAG0015
Cut Iolite
$ 1,350.00
92 pcs 30.78cts

 
NGM0003
Cut Iolite
$ 410.00
1 pcs 5.65cts

 
AGC0305
Iolite Cut
$ 15.00
1 pcs 0.90cts

 
AGC0306
Iolite Cut
$ 60.00
1 pcs 0.95cts

 
AGC0307
Iolite Cut
$ 15.00
1 pcs 1.11cts

 
AGC0308
Iolite Cut
$ 20.00
1 pcs 1.45cts

 
AGC0309
Iolite Cut
$ 65.00
1 pcs 1.73cts

 
AGC0310
Iolite Cut
$ 120.00
1 pcs 1.97cts

 
AGC0311
Iolite Cut
$ 160.00
1 pcs 2.72cts

 
CDA0059
"Riolite" Cab
$ 21.00
1 pcs 32.14cts

 
IDP0413
Cut Iolite
$ 350.00
56 pcs 115.47cts

 
IDP0415
Cut Iolite
$ 75.00
83 pcs 23.88cts

 
JRM0005
Prasiolite Cut
$ 570.00
1 pcs 54.25cts

 
GAP0235
Cut Iolite
$ 15.00
25 pcs 6.82cts

 
GAP0238
Cut Iolite
$ 10.00
22 pcs 4.86cts

 
GAP0757
Cut Iolite
$ 10.00
21 pcs 4.99cts

 
NFA0057
Iolite Cabochon
$ 800.00
1 pcs 139.50cts

 
ANN2114
Cut Iolite
$ 355.00
1 pcs 2.16cts

 
CBG0012
Cut Iolite
1 pcs 3.80cts

 
CBG0013
Cut Iolite
1 pcs 3.81cts














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