It has the world's largest and highest grade deposit of polyhalite, a multi-nutrient form of potash containing potassium, sulphur, magnesium and calcium.
www.stockhouse.com The fact that polyhalite is an organic fertilizer makes this natural based product favorable to numerous international growers.
www.digitaljournal.com It occurs associated with halite, polyhalite, anhydrite, gypsum, thenardite, mirabilite, sassolite and blodite.
en.wikipedia.org Polyhalite is used as a specialty fertilizer since it contains four important nutrients and is low in chlorine.
en.wikipedia.org The most common minerals that are generally considered to be the most representative of marine evaporates are calcite, gypsum and anhydrite, halite, sylvite, carnallite, langbeinite, polyhalite, and kainite.
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