Prehnite cast after Anhydrite

Item Description

Some of the best Prehnite specimens to hit the market in a while are those that have been found in Mali in the last decade or so. These specimens are some of the nicest gem quality Prehnites that I've seen from any locality. This specimen consists of a few fine, gemmy, green color spherical aggregates of Prehnite, but the most interesting aspect is the fact that it's hollow in the center, and apparently a "cast" after preexisting Anhydrite. The Prehnites have thousands of very sharp micro terminations all over the "balls" and this specimen is gemmy enough to facet some nice gemstones. I think this is a very attractive specimen of a species that is often overlooked by collectors.