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


Locality type:Mine
Classification
Species:Quartz
Formula:SiO2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Cinnabar4
Calcite4
Dolomite4
Data
Mineral Data:Click here to view Quartz 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:256117
Long-form Identifier:1:3:256117:2
GUID (UUID V4):0
Nearest other occurrences of Quartz
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
4.6km (2.9 miles) ⓘMorone Mine (Selvena Mine), Castell'Azzara, Grosseto Province, Tuscany, Italy
10.6km (6.6 miles) ⓘBagnore Mine (Le Bagnore Mine), Santa Fiora, Grosseto Province, Tuscany, Italy
11.5km (7.2 miles) ⓘCatabbio mine, Catabbio, Semproniano, 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
14.9km (9.3 miles) ⓘPietrineri mine, Bagni San Filippo, Castiglione d'Orcia, Siena Province, Tuscany, Italy
15.8km (9.8 miles) ⓘMontecchio Cave, Semproniano, Grosseto Province, Tuscany, Italy
17.2km (10.7 miles) ⓘCase Collina, Pitigliano, Grosseto Province, Tuscany, Italy
References
 
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