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Opaque Diamond

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Exactly what is an opaque diamond?

asked Mar 1, 2014 by Teachr4vr (120 points)

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Opaque diamonds can be known as borts or carbonado (see http://www.minerals.net/mineral-variety/mineral/carbonado.aspx) Black opqaue diamonds can also be used as gemstones.

answered Mar 3, 2014 by hershel (47,740 points)

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