Molybdenite (RARE locality specimen)

Item Description

This is a remarkably hard to find specimen of Molybdenite from Ireland. It's the only example we've ever seen from Costelloe (Galway Granite Complex), and I can't find another one for comparison on any database. This piece features dozens of small, metallic, silvery-grey colored crystals of Molybdenite frozen into the host rock matrix. The largest Molybdenite measures about 2 mm. It's not the showiest example of the species out there, but it's certainly a must-have if you're a fan of rare locality specimens. From the worldwide mineral collection of Albert Lewis Kidwell (January 1, 1919 - August 16, 2008). Al was a well-known mineral collector and research geologist with Carter Oil Company and later Exxon Oil Company in Houston, Texas. The phosphate species Kidwellite was named in his honor in 1974.