Iolite
Iolite is called the violet stone. Its colour ranges include blue, brown, yellow, dark violet, grey and green. But gem quality iolite is generally bluish violet colour. This gemstone also exhibits pleochroic qualities. Which means that the violet blue colour is visible, until the stone is turned through 90 degrees. Then it will display a more bluish brown colour. And then if that stone is turned on its side, it may display a completely new shade of blue or brown.
Iolite was also called the 'Vikings Compass'. Because the pleochroic effect works by determining the direction that light waves are traveling. Very useful for determining the suns position on overcast days. With a well polished piece of iolite and a good understanding of the way that the colours shift within stone, in relation to the sun, and you could theoretically navigate your way across the Atlantic. Regardless of the weather, as it's the polarization that affects the stone. Not the sun. What an amazing reason for a gemstone based prized possession. [How to Catch a Robot Rat by Agnes Guillot, Jean-Arcady Meyer, Susan Emanuel (2010)]
Iolite 4mm Round Gemstone Cabochon Pair
Model:
Ref:1002
£2.50
Iolite 5mm Round Gemstone Cabochon Pair
Model:
3839
£3.00
Iolite 6mm Square Gemstone Cabochon Pair
Model:
Ref:1005
£4.00
Iolite 8mm Round Gemstone Cabochon Pair
Model:
Ref:9874
£5.00
Iolite 6x4mm Oval Loose Gemstone Cabochon Pair
Model:
Ref:22533
£3.50
Iolite 30x10mm Trapezium Cut Gemstone Cabochon
Model:
Ref:0962
£5.00
Iolite 36x27mm Oval Gemstone Cabochon
Model:
Ref:20644
£20.00
Iolite 24x23mm Pear Rose Cut Gemstone
Model:
IOT0039
£39.99
Iolite 9x7mm Oval Cabochon Pair
Model:
IOT0002
£4.50
Iolite 12mm Round Gemstone Cabochon
Model:
Ref:0411
£3.50
Iolite 14mm Round Rose Cut Gemstone
Model:
IOT0049
£14.80
Iolite 19x12mm Rectangular Rose Cut Gemstone
Model:
IOT0046
£14.80
Iolite 20x12mm Oval Rose Cut Gemstone
Model:
IOT0052
£21.50
Iolite 22x10mm Pear Rose Cut Gemstone
Model:
IOT0051
£12.10
Iolite 23x16mm Oval Rose Cut Gemstone
Model:
IOT0041
£25.90
Iolite 24x18mm Oval Rose Cut Gemstone
Model:
IOT0054
£30.99
Iolite 27x20mm Rectangular Rose Cut Gemstone
Model:
IOT0043
£45.60
Iolite 43x17mm Pear Rose Cut Gemstone
Model:
IOT0042
£59.30
Iolite 4mm Square Cabochon x 4
Model:
IOT0055
£4.99
