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Blue spinel - are they more unusual than red ?

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Is the blue spinel rarer than the red ones? What kind of colour, qualities, size should one be looking out for if looking for a blue spinel ?

asked Mar 5, 2012 by Lings (120 points)

1 Answer

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Blue spinel is rarer than red spinel. Intense blue color is very rare - blue spinel often has a grayish tint to it. Is this for mineral or gemstone use?

answered Mar 5, 2012 by hershel (52,780 points)