Aklimaite
Aklimaite is an IMA-recognized mineral species in the silicate class, with the chemical formula Ca₄[Si₂O₅(OH)₂](OH)₄·5H₂O.
It crystallizes in the monoclinic crystal system (space group C2/m).
Key properties: Mohs hardness 3–4; specific gravity 2.2; Vitreous luster; optically biaxial.
IMA symbol Akm, IMA status: approved, named in 2011.
Found in a metasomatically altered limestone xenolith in ignimbrite.
It is found associated with Larnite, members of the calcium humite-group, hydrogarnets, bultfonteinite, afwillite, ettringite.
Derived from a Turkish women’s name, Aklima, which means bright by the mind.
Index entry. This entry combines official IMA/RRUFF species data with published physical-property data — a full written entry hasn’t been published yet.
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