Conichalcite on Dolomite (rare locality specimen) (ex Al Kidwell Collection)

Item Description

Conichalcite is not necessarily a rare secondary ore mineral, but specimens from Tsumeb are notably hard to find on the market. If you're a fan of Tsumeb minerals, this is something that would make a fantastic addition to your collection. This sculptural and showy three-dimensional display specimen is filled with forest green colored spherical aggregates of Conichalcite which are covering underlying silvery colored sparkling Dolomite on reddish-brown colored matrix. The piece is in fine shape, with only a few spots of damage. It displays well as you can see, but it's also very fun to view up close with a loupe. You don't see Conichalcite pieces of this size from Tsumeb available anywhere, so don't pass this one up, as you can only find them in old collections. I would safely guess that this particular piece is easily 50 years old. 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.