I will be at the TNMS in Tucson, February 5 to 11, 2019! See you at the show!


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Guanajuato, Mexico

Glassy botryoidal coating in a pocket in orbicular felsite rock. We got this material prior to 1977, but my records don't give a date. I do have a few more pieces in stock, mostly smaller sizes, if you are interested in an email quote.

5x6x4cm  Weight 99grams