Neuburg Siliceous Earth - Unique Raw Material

Neuburg Siliceous Earth is unique in the world. Until today, deposits of this mineral have only been found near Neuburg on the Danube in Bavaria. The next pages will tell what makes Neuburg Siliceous Earth so outstanding, how it has been formed and which ways we - Hoffmann Mineral - process to upgrade the mineral and arrive at our poducts Sillitin and Sillikolloid.

Structure and Mineralogical Properties
Genesis of Neuburg Siliceous Earth
From Raw Material to Filler - Our Production Process