Brazil-law twin Ametrine slab (rare) Chris Cowan Coll.

Item Description

A rare and beautiful Brazil-law penetration twinned polished ametrine slab from this well-known Bolivian locality. The slab cross-section remarkably shows the the twin domains of a Brazil-law twinning, forming a characteristic pattern made of straight lines and triangles of the alternating transparent rare citrine and amethyst sections. A unique and very colorful quartz style from the Anahi Mine from the Chris Cowan Collection.