Calcinaksite
Calcinaksite is an IMA-recognized mineral species in the silicate class, with the chemical formula KNaCa(Si₄O₁₀)·H₂O.
It crystallizes in the triclinic crystal system (space group P-1). It is a member of the Litidionite structural group.
Key properties: Mohs hardness 5; specific gravity 2.62; optically biaxial.
IMA symbol Cnk, IMA status: approved, named in 2013.
The product of contact metamorphism (metasomatism) of a xenolith of a calcic carbonate rock hosted in alkaline basalt.
It is found associated with Wollastonite, gehlenite, brownmillerite, larnite, quartz, aragonite, calcite, jennite, tobermorite, ettringite.
The name refers to its chemical composition.
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.