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Black Crystal Opal

Black crystal opal is a very rare type of opal. It is really hard to find black crystal opal in large quantities, because its makeup is very hard even for nature to replicate. The black crystal opal has a clear looking effect with a dark tint that is shown right through the opal solid. If you hold the opal up to the light you will be able to see through it but not as easy as a crystal opal.  So if you hold a Black crystal opal in your hand you will not be able to see through it if you don’t hold the opal up to the light. It…

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