Écrinsite
Écrinsite is an IMA-recognized mineral species in the sulfosalt class, with the chemical formula AgTl₃Pb₄As₁₁Sb₉S₃₆.
It crystallizes in the triclinic crystal system (space group P-1). It is a member of the Sartorite structural group.
IMA symbol Écr, IMA status: approved, named in 2015.
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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