polyhalite en · NOUN
Etymology
From German Polyhalit, from Ancient Greek πολύς (polús) + Ancient Greek ἅλς (háls) + -ite. Polyhalite is unrelated to halite other than name.
Meanings
-
(countable, uncountable) A mineral usually occurring in fibrous masses, of a brick-red color, being tinged with iron, and consisting chiefly of the sulphates of lime, magnesia, and soda.
Shafts are now being sunk at Sirius Minerals' Woodsmith mine to extract polyhalite for use as an agricultural fertiliser, with much of the output exported.
2019 October, James Abbott, “Esk Valley revival”, in Modern Railways, page 76:
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| polyhalites | Number=Plur | lexicographic |
Translations (4)
it polialite (mineral) · it polihalite (mineral) · pt polialita (mineral) · de Polyhalit (mineral)