Quarzwerke
Quarzwerke is a producer of mineral raw materials, processing quartz, kaolin, feldspar, wollastonite, and mica into over 700 quality products sold in 50 countries.
Last updated September 1, 2026
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Overview
Quarzwerke is a family-owned company with over 140 years of tradition, known as a producer of mineral raw materials. It focuses on the extraction, processing, and refinement of industrial minerals, particularly quartz, kaolin, feldspar, wollastonite, and mica, which are processed into more than 700 quality products and sold in 50 countries.
History
Quarzwerke has a history of over 140 years and is one of the most traditional companies in the Cologne region. The company has experienced two world wars and many other significant changes in its corporate history. Key milestones include receiving the Gold Rating from Ecovadis in 2025, winning the German Solar Prize 2022 for building the largest floating PV system in Haltern am See, and receiving the sustainability award of the German stone industry for the fourth time in 2016.
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