There is a complete series between canfieldite and its germanium analogue, argyrodite.
3.
"' Argyrodite "'is an uncommon silver germanium sulfide mineral with formula Ag 8 GeS 6.
4.
Isomorphous with argyrodite is the corresponding tin bearing mineral Ag 8 SnS 6, also found in Bolivia as pseudocubic crystals, and known by the name canfieldite.
5.
In mid-1885, at a mine near Freiberg, Saxony, a new mineral was discovered and named " argyrodite " because of the high silver content.
परिभाषा
a rare steel-grey mineral consisting of silver and germanium and sulfur
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