Magnesiofluckite
Magnesiofluckite is an IMA-recognized mineral species in the arsenate class, with the chemical formula CaMg(AsO₃OH)₂(H₂O)₂.
It crystallizes in the triclinic crystal system (space group P-1). It is a member of the Fluckite structural group.
Key properties: Mohs hardness 2.5; specific gravity 2.93; White streak; Vitreous luster; optically biaxial.
IMA symbol Mfck, IMA status: approved, named in 2018.
It is found associated with Camanchacaite, anhydrite, gypsum, halite, talmessite.
The prefix indicates the magneium analogue of fluckite.
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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