Item talk:Q162612

Mindat Short Description

Closely related to leightonite.

Geoscience Ontology Status Notes

Stromeyer F (1817) Ein neu entdecktes Metall und Analyse eines neuen Minerals, Journal für Chemie und Physik 21, 297-306

IMA Formula (from Mindat)

K₂Ca₂Mg(SO₄)₄ · 2H₂O

RRUFF Formula (from Geoscience Ontology)

K₂Ca₂Mg(SO₄)₄·2H₂O

Additional References

• http://www.handbookofmineralogy.com/pdfs/polyhalite.pdf

• http://www.webmineral.com/data/Polyhalite.shtml