Gemmy Sphalerite xl (classic locale) Kay Robertson Coll.

Item Description

The extinct Las Manforas Mine in Spain is one of the world's most famous sphalerite localities. The locality is renowned for gemmy reddish-orange to amber crystals with very high luster and this is an excellent example.The well-striated single crystal is amber in normal light, but GLOWS with golden-amber to reddish-orange color, when back lit! A fine 360-degree single crystal, nearly pristine, with only a slightly cleaved end. Ex Kay Robertson Collection # 11671 and acquired from Marty Zinn at the Tucson Show in 1989. 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). A classic, colorful Spanish sphalerite.