Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Sterryite from
Pollone Mine, Valdicastello Carducci, Pietrasanta, Lucca Province, Tuscany, Italy


07544350017271926744255.jpg
Sterryite

Pollone Mine, Valdicastello Carducci, Pietrasanta, Lucca Province, Tuscany, Italy
07313920017272024722125.jpg
Sterryite

Pollone Mine, Valdicastello Carducci, Pietrasanta, Lucca Province, Tuscany, Italy
04503890017272024743506.jpg
Sterryite

Pollone Mine, Valdicastello Carducci, Pietrasanta, Lucca Province, Tuscany, Italy
05389020017271926802504.jpg
Sterryite

Pollone Mine, Valdicastello Carducci, Pietrasanta, Lucca Province, Tuscany, Italy
06010970017370960507621.jpg
Sterryite

Pollone Mine, Valdicastello Carducci, Pietrasanta, Lucca Province, Tuscany, Italy
09008290017370960502321.jpg
Sterryite

Pollone Mine, Valdicastello Carducci, Pietrasanta, Lucca Province, Tuscany, Italy
03293450017370960516344.jpg
Sterryite

Pollone Mine, Valdicastello Carducci, Pietrasanta, Lucca Province, Tuscany, Italy
04609480017370960514745.jpg
Sterryite

Pollone Mine, Valdicastello Carducci, Pietrasanta, Lucca Province, Tuscany, Italy
07544350017271926744255.jpg
Sterryite

Pollone Mine, Valdicastello Carducci, Pietrasanta, Lucca Province, Tuscany, Italy
07313920017272024722125.jpg
Sterryite

Pollone Mine, Valdicastello Carducci, Pietrasanta, Lucca Province, Tuscany, Italy
04503890017272024743506.jpg
Sterryite

Pollone Mine, Valdicastello Carducci, Pietrasanta, Lucca Province, Tuscany, Italy
05389020017271926802504.jpg
Sterryite

Pollone Mine, Valdicastello Carducci, Pietrasanta, Lucca Province, Tuscany, Italy
Locality type:Mine
Classification
Species:Sterryite
Formula:Cu(Ag,Cu)3Pb19(Sb,As)22(As2)S56
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Quartz14
- var Smoky Quartz2
Galena3
Geocronite2
Sphalerite1
Baryte1
Data
Mineral Data:Click here to view Sterryite data
Locality Data:Click here to view Pollone Mine, Valdicastello Carducci, Pietrasanta, Lucca Province, Tuscany, Italy
Photo GalleryView Gallery (36 photos)
Data Identifiers
Mindat Occurrence Record ID:659772
Long-form Identifier:1:3:659772:6
GUID (UUID V4):0
References
Moëlo, Y., Orlandi, P., Guillot-Deudon, C., Biagioni, C., Paar, W., Evain, M. (2011) LEAD-ANTIMONY SULFOSALTS FROM TUSCANY (ITALY). XI. THE NEW MINERAL SPECIES PARASTERRYITE, Ag4Pb20(Sb14.5As9.5) 24S58, AND ASSOCIATED STERRYITE, Cu(Ag,Cu)3Pb19(Sb,As)22(As-As)S56, FROM THE POLLONE MINE, TUSCANY, ITALY. The Canadian Mineralogist, 49 (2). 623-638 doi:10.3749/canmin.49.2.623
Biagioni, C., Orlandi, P., Moëlo, Y., Pardini, S., Passarino, G. (2012) Sterryite e parasterryite. I solfosali aciculari di piombo e argento della miniera del Pollone (Pietrasanta, Lucca). Rivista Mineralogica Italiana, 2012 (2) 76-91
Biagioni, Cristian; Sejkora, Jiří; Moëlo, Yves; Makovicky, Emil; Musetti, Silvia; Pasero, Marco; Dolníček, Zdeněk (2026) Kenoargentotennantite-(Fe), Ag6(Cu4Fe2)As4S12□, a new “keno” member of the tetrahedrite group. Mineralogical Magazine, 1-27 doi:10.1180/mgm.2026.10214
 
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