The Zeolite basins of Europe may be considered as Tibet-type valley structures that were developed during the Miocene. These basins are approximately in between 5 and 23 Million years old.
The volcanic-sedimentary successions of these basins are made up of limestone, dolomite and detrital rocks and also of crystal or vitric tuffs about 135 to 200 m thick. The Zeolite deposits are situated beneath four borate deposits.
Our European Zeolite is Incredibly pure at a guaranteed minimum of 85% Clinoptilolite (The average is 92%). The remainder is Cristobalite and Tridymite.
A Chemical Analysis can be downloaded here: Chemical Analysis
Volco Minerals supplies European Zeolite of following sizes: