Calcite Cassiterite The piece resembles a flower

The piece resembles a flower in bloom as the "petals" of the Copper are slowly opening from the center

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

A slight brown color can be seen when the piece was backlit

light green color

Calcite Cassiterite The piece resembles a flowerA 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