Bob(AK) Posted January 10, 2014 Share Posted January 10, 2014 Perhaps you guys can help identify this mineral. I know hard to tell from a photo. We are thinking thompsonite. It is thin about 1/8 inch or so. Looks to have grown in a crack before the mountain fell apart, same mountain side where we found other zeolites, thanks, Bob Quote Link to comment Share on other sites More sharing options...
adam Posted January 17, 2014 Share Posted January 17, 2014 That host rock looks tough as rhyolite Quote Link to comment Share on other sites More sharing options...
Bob(AK) Posted January 18, 2014 Author Share Posted January 18, 2014 That host rock looks tough as rhyolite Adam, I believe you are correct, rhyolite Quote Link to comment Share on other sites More sharing options...
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