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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Marcasite from
Siele-Carpine mine (Siele mine; Carpine mine), Piancastagnaio, Siena Province, Tuscany, Italy


Locality type:Mine
Classification
Species:Marcasite
Formula:FeS2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Marcasite data
Locality Data:Click here to view Siele-Carpine mine (Siele mine; Carpine mine), Piancastagnaio, Siena Province, Tuscany, Italy
Data Identifiers
Mindat Occurrence Record ID:256111
Long-form Identifier:1:3:256111:0
GUID (UUID V4):0
Nearest other occurrences of Marcasite
1.6km (1.0 miles) ⓘLe Solforate Mine (Solforate Rosselli Mine), Piancastagnaio, Siena Province, Tuscany, Italy
2.0km (1.2 miles) ⓘAbetina-Argus Mine, Piancastagnaio, Siena Province, Tuscany, Italy
10.4km (6.5 miles) ⓘAbbadia San Salvatore Mine, Abbadia San Salvatore, Siena Province, Tuscany, Italy
10.6km (6.6 miles) ⓘBagnore Mine (Le Bagnore Mine), Santa Fiora, Grosseto Province, Tuscany, Italy
10.9km (6.8 miles) ⓘMonte Labbro II Mine, Santa Fiora, Grosseto Province, Tuscany, Italy
11.3km (7.0 miles) ⓘBanditella Mine, Arcidosso, Grosseto Province, Tuscany, Italy
11.5km (7.2 miles) ⓘCatabbio mine, Catabbio, Semproniano, Grosseto Province, Tuscany, Italy
11.6km (7.2 miles) ⓘMonte Labbro I Mine, Roccalbegna, Grosseto Province, Tuscany, Italy
13.2km (8.2 miles) ⓘSan Martino sul Fiora mine, San Martino sul Fiora, Manciano, Grosseto Province, Tuscany, Italy
13.3km (8.3 miles) ⓘFosso "La Fuliggine", Catabbio, Semproniano, Grosseto Province, Tuscany, Italy
References
 
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