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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Siderite from
Monteponi Mine, Iglesias, South Sardinia Province, Sardinia, Italy


Locality type:Mine
Classification
Species:Siderite
Formula:FeCO3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Siderite data
Locality Data:Click here to view Monteponi Mine, Iglesias, South Sardinia Province, Sardinia, Italy
Data Identifiers
Mindat Occurrence Record ID:254663
Long-form Identifier:1:3:254663:6
GUID (UUID V4):0
Nearest other occurrences of Siderite
9.1km (5.6 miles) ⓘPerdu Carta Mine, Domusnovas, South Sardinia Province, Sardinia, Italy
10.8km (6.7 miles) ⓘSa Duchessa Mine, Domusnovas, South Sardinia Province, Sardinia, Italy
11.3km (7.0 miles) ⓘBarraxiutta Mine, Domusnovas, South Sardinia Province, Sardinia, Italy
12.5km (7.8 miles) ⓘPerda Niedda Mine, Domusnovas, South Sardinia Province, Sardinia, Italy
12.5km (7.8 miles) ⓘPinn'e Perda Stope, Tiny-Arenas Mine, Fluminimaggiore, South Sardinia Province, Sardinia, Italy
12.7km (7.9 miles) ⓘSu Zurfuru Mine, Fluminimaggiore, South Sardinia Province, Sardinia, Italy
13.3km (8.2 miles) ⓘCruccueu Mine (Su Salixi Nieddu), Domusnovas, South Sardinia Province, Sardinia, Italy
14.9km (9.2 miles) ⓘPala su Sciusciu, Fluminimaggiore, South Sardinia Province, Sardinia, Italy
15.2km (9.4 miles) ⓘPerdas de Fogu Mine (Perd'e Fogu Mine), Fluminimaggiore, South Sardinia Province, Sardinia, Italy
15.4km (9.5 miles) ⓘMaciurru Mine, Domusnovas, South Sardinia Province, Sardinia, Italy
References
De Michele, V. (1974) Guida mineralogica d'Italia. Istituto Geografico De Agostini.
 
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