michael B Posted January 22, 2012 Report Share Posted January 22, 2012 Australian Andamooka matrix opal, this is a limestone matrix opal that is usually treated to enhance its color, one side is treated and the other natural, I like the contrast, it has to be sealed with epoxy yet, I cabbed this for a friend, he is going to the Tuscon gem and mineral show next week, taking some slabs of this material and the heart to show of the color, some of this material has color as good as lightning ridge black. Cheers michael B (Michael, I joined the posts for you. -Janel) Link to comment Share on other sites More sharing options...
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