Rare OOAK set of 3M Quarry Mineral Specimens, Little Rock, Arkansas, RARE old stock.
Very Rare one of a kind set of old display specimens of various rare micro minerals/etc on matrix of syenite. From the 3M (Big Rock) Quarry in Little Rock Arkansas, USA, mined in the 1970s/1980s. Comes with original storage tags. There are 11 specimens total. Some of which are UV Reactive/Fluorescent under longwave 365nm light....which is likely Sodalite minerals....You will receive the exact specimens in the photographs.
