Smithsonite, El Refugio mine, Choix, Sinaloa, Mexico

The El Refugio mine, located in Choix, in the Mexican state of Sinaloa, is a notable source of beautiful specimens of the zinc carbonate mineral smithsonite. These specimens are often very colorful and display well under normal light. Some of this material also shows a deep, intense fluorescent response under short wave UV, usually in colors of blue and pink. This is such a specimen. It consists of botryoidal pink smithsonite on a larger mass of grey pitted smithsonite. Under short wave UV it shows a moderately bright, but intense saturated pink and blue fluorescent response. The size of this specimen is 56 x 37 x 32 mm, and it weighs 115 grams.

Smithsonite from the El Refugio mine in Sinaloa, Mexico, seen under short wave UV (254nm).

Same specimen, seen under visible light.

28 views0 comments

Recent Posts

See All