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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Gypsum from
Case Collina, Pitigliano, Grosseto Province, Tuscany, Italy


Locality type:Quarry
Classification
Species:Gypsum
Formula:CaSO4 · 2H2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Gypsum data
Locality Data:Click here to view Case Collina, Pitigliano, Grosseto Province, Tuscany, Italy
Data Identifiers
Mindat Occurrence Record ID:367194
Long-form Identifier:1:3:367194:8
GUID (UUID V4):0
Nearest other occurrences of Gypsum
7.7km (4.8 miles) ⓘMontenero Quarry, Onano, Viterbo Province, Lazio, Italy
8.4km (5.2 miles) ⓘPoggio Pinzo (Gradoli pozzolana quarry), Gradoli, Viterbo Province, Lazio, Italy
10.3km (6.4 miles) ⓘSan Martino sul Fiora mine, San Martino sul Fiora, Manciano, Grosseto Province, Tuscany, Italy
13.9km (8.6 miles) ⓘFosso "La Fuliggine", Catabbio, Semproniano, Grosseto Province, Tuscany, Italy
16.2km (10.0 miles) ⓘCortevecchia Mine, Semproniano, Grosseto Province, Tuscany, Italy
16.7km (10.4 miles) ⓘPonte San Pietro mineralisation, Ischia di Castro, Viterbo Province, Lazio, Italy
17.2km (10.7 miles) ⓘSaturnia, Manciano, Grosseto Province, Tuscany, Italy
17.2km (10.7 miles) ⓘSiele-Carpine mine (Siele mine; Carpine mine), Piancastagnaio, Siena Province, Tuscany, Italy
18.5km (11.5 miles) ⓘLe Solforate Mine (Solforate Rosselli Mine), Piancastagnaio, Siena Province, Tuscany, Italy
19.1km (11.8 miles) ⓘAbetina-Argus Mine, Piancastagnaio, Siena Province, Tuscany, Italy
References
Liotti, L. (1991) I minerali dei vulcani laziali a Pitigliano (Grosseto). Rivista Mineralogica Italiana, 15(3), 121-139.
 
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