For sale is a rare tiptopite, englishite, roscherite from Tip Top mine Sth Dakota. Tiptopite is one of a group of ultra rare minerals that has only been found at one site worldwide, the type location Tip Top mine. Featuring colorless sprays of radiating tiptopite, with dull powdery white englishite and tan roscherite. This is quite a rich specimen with quite a few sprays of tiptopite tucked into small vugs in the roscherite. Tiptopite is a rare phosphate. Ex Vic Cloete collection.
TIP TOP MINE, CUSTER COUNTY, SOUTH DAKOTA, USA.
58 x 47 x 35mm.