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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Vivianite from
Buca della Vena Mine, Pontestazzemese, Stazzema, Lucca Province, Tuscany, Italy


Locality type:Mine
Classification
Species:Vivianite
Formula:Fe2+Fe22+(PO4)2 · 8H2O
Comments:Type V-2 veins
Colour:green
Quality for species:Poor for species, only of interest for locality collectors. (#)
Abundance at site:Extremely Rare
Confirmation
Validity:Believed Valid
Associated Minerals:
Associates:Hematite
Quartz
Data
Mineral Data:Click here to view Vivianite data
Locality Data:Click here to view Buca della Vena Mine, Pontestazzemese, Stazzema, Lucca Province, Tuscany, Italy
Data Identifiers
Mindat Occurrence Record ID:84077
Long-form Identifier:1:3:84077:2
GUID (UUID V4):0
References
Orlandi, Paolo, Checchi, Francesco (1986) The Buca della Vena Mine, Tuscany, Italy. The Mineralogical Record, 17 (4) 261-268
Orlandi, Paolo; Dini, Andrea (2004) Die Mineralien der Buca della Vena-Mine, Apuaner Berge, Toskana (Italien) [The minerals of the Buca della Vena mine, Apuan Mountains, Tuscany (Italy)]. Lapis, 29 (1). 11-24; 58
 
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