编号 98893236

编号 98893236

A very aesthetic example of the famous Fontainebleau sand calcites.
This specimen is from the Harjo Neutkens collection. Harjo Neutkens has written, together with Ingo Loeffler and Wendell E. Wilson, an in-depth article about the formation and occurrence of the Fontainebleau sand calcites: Mineralogical Record Vol. 45, No. 4, 2014
Good specimens are getting rare and command ever higher prices on the market.