Calcite Cassiterite rare bi-color crystals of Beryl

rare bi-color crystals of Beryl from Pakistan that were tabular with a pink core and a blue ring surrounding it

This is an excellent opportunity to pick up a large cabinet display specimen of a colorful mineral from one of Colorado’s most classic localities (now defunct) for a price that will not break the bank

and one of the best pieces from the find that I've handled

light green color

these specimens are the first ever Hopeites from South America

Calcite Cassiterite rare bi-color crystals of BerylA beautiful crystallized mound of nearly colorless, gemmy, modified rhombohedra of Calcite from the world famous Sherman Mine in Leadville. This locality is arguably the most productive specimen producer in Leadville, despite the fact that over 10 million ounces of Silver came out in a period lasting around 11 years (started 1968 1970 and reopened 1975 1982). The Leadville mining district was the most productive silver mining region in Colorado. As of