Sphalerite w/ Calcite xl (rare combo - classic locale) Kay Robertson Coll.

Item Description

Juicy, highly lustrous, translucent, reddish-orange sphalerite from this world-class sphalerite locality. Calcite is RARE from here and a 1.2 cm, doubly terminated, colorless gem crystal is dramatically perched on the top edge of this exceptional and rare combination from this classic locale. The sphalerite GLOWS with burnt-orange color, when backlit! Choice material from the Kay Robertson Collection # 11541. Kay is a prominent California collector, who specialized in European classics (see the article in the March-April, 2007 Mineralogical Record).