Panichiite
Panichiite is an IMA-recognized mineral species in the organic mineral class, with the chemical formula (NH₄)₂SnCl₆.
It crystallizes in the cubic crystal system (space group Fm3m).
Key properties: specific gravity 2.43; White streak; Vitreous luster.
IMA symbol Pnc, IMA status: approved, named in 2008.
A sublimate on cinder at a medium temperature intracrater fumarole (~250 flC).
It is found associated with Alunite, anhydrite, bismuthinite, godovikovite, demicheleite-(Br).
The mineral was named to honor Professor Ugo Panichi (1872-1966), a pioneer in the study of Vulcano minerals.
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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