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
Tafone mine (Valle del Tafone mining area), Manciano, Grosseto Province, Tuscany, Italy


Locality type:Mining Area
Classification
Species:Calcite
Formula:CaCO3
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Stibnite3
Data
Mineral Data:Click here to view Calcite data
Locality Data:Click here to view Tafone mine (Valle del Tafone mining area), Manciano, Grosseto Province, Tuscany, Italy
Data Identifiers
Mindat Occurrence Record ID:407387
Long-form Identifier:1:3:407387:1
GUID (UUID V4):0
Nearest other occurrences of Calcite
4.1km (2.6 miles) ⓘMontauto mine, Manciano, Grosseto Province, Tuscany, Italy
6.1km (3.8 miles) ⓘCapita Mine, Capalbio, Grosseto Province, Tuscany, Italy
13.6km (8.4 miles) ⓘCampomorto Quarry, Pietra Massa Locality, Montalto di Castro, Viterbo Province, Lazio, Italy
21.5km (13.4 miles) ⓘSaturnia, Manciano, Grosseto Province, Tuscany, Italy
22.3km (13.8 miles) ⓘSan Martino sul Fiora mine, San Martino sul Fiora, Manciano, Grosseto Province, Tuscany, Italy
23.2km (14.4 miles) ⓘFosso "La Fuliggine", Catabbio, Semproniano, Grosseto Province, Tuscany, Italy
24.4km (15.2 miles) ⓘPereta Mine, Scansano, Grosseto Province, Tuscany, Italy
25.0km (15.5 miles) ⓘSorano tuff quarries, Sorano, Grosseto Province, Tuscany, Italy
25.3km (15.7 miles) ⓘMontecchio Cave, Semproniano, Grosseto Province, Tuscany, Italy
28.5km (17.7 miles) ⓘMontenero Quarry, Onano, Viterbo Province, Lazio, Italy
References
De Michele, V. (1974) Guida mineralogica d'Italia. Istituto Geografico De Agostini.
 
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