Cryobostryxite
Cryobostryxite is an IMA-recognized mineral species in the halide class, with the chemical formula KZnCl₃·2H₂O.
It crystallizes in the monoclinic crystal system (space group P2_1/c).
Key properties: Mohs hardness 2; specific gravity 2.3; White streak; Vitreous luster; optically biaxial.
IMA symbol Cbx, IMA status: approved, named in 2014.
Formed as sublimates on basaltic scoria around active volcanic fumaroles and with involvement of meteoric water.
It is found associated with Gypsum, ralstonite, opal.
Based on the Greek words, κρύος, for cold or ice, and βόστρυξ, for curl, alludes to the very similar appearance of aggregates of the mineral to ice curls.
Index entry. This entry combines official IMA/RRUFF species data with published physical-property data — a full written entry hasn’t been published yet.
Browse more C minerals or help write this entry.