Heulandite-Sr
The strontium-dominant member of the heulandite zeolite series.
Intro adapted from Wikipedia (CC BY-SA).
Heulandite-Sr is an IMA-recognized mineral species in the silicate class, with the chemical formula (Sr,Ca,Na)₅(Si₂₇Al₉)O₇₂·24H₂O.
It crystallizes in the monoclinic crystal system (space group Cm). It is a member of the Heulandite structural group.
IMA symbol Hul-Sr, IMA status: approved, named in 1997.
Index entry. This entry combines official IMA/RRUFF species data with published physical-property data and a Wikipedia introduction — a full written entry hasn’t been published yet.
Browse more H minerals or help write this entry.