rattlehead
starting to spend too much on rocks
MI Rocks
Member since December 2010
Posts: 213
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Post by rattlehead on Aug 12, 2015 7:52:34 GMT -5
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spiritstone
Cave Dweller
Member since August 2014
Posts: 2,061
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Post by spiritstone on Aug 12, 2015 7:55:54 GMT -5
WoW, that is a big opal. The matrix looks to be basalt and you have some POC. This makes it precious opal. Real nice find.
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Post by Drummond Island Rocks on Aug 12, 2015 9:03:43 GMT -5
Fantastic find. Sure looks like veins of opal to me. Sure would not have guessed it to be a Lake Michigan find.
Chuck
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