Calcite Cassiterite these specimens are the first

these specimens are the first ever Hopeites from South America

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

They are highly prized among Colorado collectors for their unique form and obvious beauty

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

light green color

Calcite Cassiterite these specimens are the firstA 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