Pyrite on Sphalerite bug NOTE: Even though Calcite is

NOTE: Even though Calcite is widespread in the world

and it’s one of my favorite Vivianites from this mine for obvious reasons

These “floater” crystals are found in a weathered porphyritic granodiorite dike in West Maroon Pass

It’s rare to find a pair of intergrown twins like this from Tasna

Pyrite on Sphalerite bug NOTE: Even though Calcite isA striking sulfide association specimen featuring incredibly sharp, bright, highly lustrous, beautiful, well formed modified pyritohedral crystals of rich golden Pyrite on contrasting black crystallized Sphalerite matrix. The Black Cloud Mine was one of the most famous specimen producing locales in Leadville and was one of the last operating mines in Colorado when it closed in 1999. The Leadville mining district was the most productive silver mining