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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Calcite from
Morone Mine (Selvena Mine), Castell'Azzara, Grosseto Province, Tuscany, Italy


Locality type:Mine
Classification
Species:Calcite
Formula:CaCO3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Calcite data
Locality Data:Click here to view Morone Mine (Selvena Mine), Castell'Azzara, Grosseto Province, Tuscany, Italy
Data Identifiers
Mindat Occurrence Record ID:940557
Long-form Identifier:1:3:940557:8
GUID (UUID V4):0
Nearest other occurrences of Calcite
4.3km (2.7 miles) ⓘCortevecchia Mine, Semproniano, Grosseto Province, Tuscany, Italy
4.6km (2.9 miles) ⓘSiele-Carpine mine (Siele mine; Carpine mine), Piancastagnaio, Siena Province, Tuscany, Italy
4.9km (3.1 miles) ⓘLe Solforate Mine (Solforate Rosselli Mine), Piancastagnaio, Siena Province, Tuscany, Italy
5.4km (3.3 miles) ⓘAbetina-Argus Mine, Piancastagnaio, Siena Province, Tuscany, Italy
8.7km (5.4 miles) ⓘFosso "La Fuliggine", Catabbio, Semproniano, Grosseto Province, Tuscany, Italy
9.0km (5.6 miles) ⓘSan Martino sul Fiora mine, San Martino sul Fiora, Manciano, Grosseto Province, Tuscany, Italy
10.4km (6.4 miles) ⓘSorano tuff quarries, Sorano, Grosseto Province, Tuscany, Italy
10.4km (6.5 miles) ⓘMonte Labbro II Mine, Santa Fiora, Grosseto Province, Tuscany, Italy
10.8km (6.7 miles) ⓘBanditella Mine, Arcidosso, Grosseto Province, Tuscany, Italy
10.9km (6.8 miles) ⓘMonte Labbro I Mine, Roccalbegna, Grosseto Province, Tuscany, Italy
References
Del Caldo, A.; Moro, C.; Gramaccioli, C.M.; Boscardin, M. (1973) Guida ai minerali. Fratelli Fabbri Editori. 208 pp.
 
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