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Native Selenium from Mexico
NGF-UYDAcanthite Ag2S , Native Selenium ? Se , Pyrite FeS2
San Jose Mine, San Jerónimo Taviche Municipality, Oaxaca, MexicoDimensions: 65 mm x 45 mm x 34 mm
Aerial growth of dodecahedral Acanthite crystals, a very unusual form for the species, some of them with “window” growths and partially coated by small Pyrite crystals. The sample has been analyzed, the analytic results indicating a high selenium content.
The specimen has been reviewed, photographed and published as a new discovery in the magazine ‘Mineral Up’ on page 43 of the 2019/02 edition.
San José Mine, San José del Progreso, Municipìo San José del Progreso, Ocotlán District, Valles Centrales Region, Oaxaca, Mexico
Found in 2018
Specimen size: 6.5 × 4.5 × 3.4 cm = 2.56” × 1.77” × 1.34”
TP66AJ8

