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Robert Stoufer collection
and one corner of the twin has a slight “rub”
emerald green color
The Galena crystals are essentially cubic in habit but show a slight amount of what I would describe as being slightly “built-up” with minor stepped faces almost resembling "Cathedral Gothic" Pyrite
Very little damage
Hopeite (!!) with Phosphophyllite (first known specimens from South America!) Chlorite Robert Stoufer collectionOne of the most exciting and yet incredibly limited discoveries for Bolivian minerals. Bolivia is well known for its phosphate minerals, but Hopeite (despite its fairly simple chemistry) has never been reported. This is not only a first time find for Hopeite from Bolivia, but to the best of my knowledge, these specimens are the first ever Hopeites from South America! I acquired just a few of these specimens in 2011 and I honestly thought them to be a
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