The Mineralogical Record in 1980 had an article on these gemmy and glassy, reddish-orange, barrel shaped crystals. I'm not sure if I have ever seen any for sale, they are so rare. Although the crystals are small, to .35 cm across, but the color and transparency makes them highly desired among U.S. collectors. Said to be from the turn of the 1900s. Ex. Carnegie Museum Collection.