Gratonite

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Gratonite is a rare lead, arsenic, sulfide. Specimens at their best trickled out from this one mine, from about 80-100 years ago. They are truly rare on the market, with non ein recent memory so far as I know. So, they only turn up in old museum collections. The overall doublet or hourglass form is attractive, made up of individual crystals to 6 mm across in radiating sprays. The crystal size is actually rather large for this species. A truly competition-quality thumbnail. This specimen is also from the type locality. Ex Gary Hansen collection. Joe Budd Photos