Kieserite n. : Hydrous sulphate of magnesia found at the salt mines of Stassfurt, Prussian Saxony.

Example:
China Kieserite Manufacturer?

Taxonomy
Kieserite, KALI GmbH, crops, sulphur, Nutrients, soil, agriculture, Application rates, magnesium sulphate, plants, Kieserit, Health aspects, Organic farming, mineral fertilizer, macro-nutrients, phosphorus, Guidelines, growers.

Defination from the web:
... Welcome to kieserite.com ... As a carrier of the two elements magnesium and sulphur, ESTA Kieserite finds multiple applications as mineral fertilizer as well as a component ...