Friday, August 20, 2010

⤱ Coulsellite ⤱

Coulsellite is a newly-described halide, previously known as calcian ralstonite. It has a formula of CaNa3AlMg3F14 and was named after the late Victorian mineral collector, Ruth Coulsell.

This specimen is from the type locality, the Mt Cleveland Mine, Luina, Tasmania.