freieslebenite


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freieslebenite

[¦frī·əs¦lā·bə‚nīt]
(mineralogy)
Pb3 Ag5Sb5S12 A steel-gray to dark mineral composed of a sulfide of antimony, lead, and silver.
References in periodicals archive ?
Freieslebenite is the last mineral that has been observed to crystallize on barite.
The complex terminations and obtuse angles permit a visual distinction between diaphorite and the rarer freieslebenite, which has a simpler termination as shown in Figure 11.
Freieslebenite is found in bright black wedge-shaped prisms up to 1 mm long, 0.
In the absence of good crystals it is impossible to distinguish between freieslebenite and diaphorite except by microprobe or X-ray analysis.
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