Acanthite, Native Selenium, Pyrite

Specimen ID: NGF-UYD

Mineral(s)
Acanthite : Ag2S
Pyrite : FeS2
Locality
Mindat locality:
Dimensions
65mm x 45mm x 34mm
Certificates
There are no recognised certificates attached to this specimen. Note that minID is issued automatically and does not on its own guarantee the correctness of the information shown here.
Events

Photo added to mindat.org

“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, MexicoFound in 2018Specimen size: 6.5 × 4.5 × 3.4 cm = 2.56” × 1.77” × 1.34”TP66AJ8 ”
Jordi Fabre - 27th February 2020

Photo added to mindat.org

“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, MexicoFound in 2018Specimen size: 6.5 × 4.5 × 3.4 cm = 2.56” × 1.77” × 1.34”TP66AJ8 ”
Jordi Fabre - 27th February 2020

Photo added to mindat.org

“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, MexicoFound in 2018Specimen size: 6.5 × 4.5 × 3.4 cm = 2.56” × 1.77” × 1.34”TP66AJ8 ”
Jordi Fabre - 27th February 2020
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