Gedrite (Amphibole) (ex Kay Robertson Collection)

Item Description

Gedrite is part of ferromagnesian subgroup of the amphibole supergroup. The material gets is name from the type locality at Gedres, Heas Valley, France. This piece is a rich sample of Gedrite showing compacted fibrous form with a golden-silver hue. There is an unidentified green mineral on the side of the piece as well. Ex Kay Robertson Collection (#10403). Kay is a prominent California collector, who specialized in European classics (see the article in the March-April, 2007 Mineralogical Record and the 50+ page article in the German Magazine "Mineralien Welt" November-December 2017).