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.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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.
Some millimeter-size sprays of fizelyite covered with 0.1-mm freieslebenite crystals have been recovered.
Freieslebenite is found in bright black wedge-shaped prisms up to 1 mm long, 0.5 mm wide and about 0.25 mm thick.
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