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
Caestert mine, Pietersberg, Maastricht, Limburg, Netherlands


Locality type:Mine
Classification
Species:Quartz
Formula:SiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view Caestert mine, Pietersberg, Maastricht, Limburg, Netherlands
Data Identifiers
Mindat Occurrence Record ID:305253
Long-form Identifier:1:3:305253:2
GUID (UUID V4):0
Nearest other occurrences of Quartz
1.7km (1.0 miles) ⓘCaestert mine, Lanaye, Visé, Liège, Wallonia, Belgium
2.6km (1.6 miles) ⓘAvergat, Kanne, Riemst, Limburg, Flanders, Belgium
2.6km (1.6 miles) ⓘMathuus, Kanne, Riemst, Limburg, Flanders, Belgium
3.0km (1.8 miles) ⓘDe Keel, Kanne, Riemst, Limburg, Flanders, Belgium
4.4km (2.7 miles) ⓘMarnebel quarry, Eben-Emael, Bassenge, Liège, Wallonia, Belgium
5.0km (3.1 miles) ⓘRomontbos quarry, Eben-Emael, Bassenge, Liège, Wallonia, Belgium
6.0km (3.7 miles) ⓘRoosburg, Zichen-Zussen-Bolder, Riemst, Limburg, Flanders, Belgium
6.5km (4.0 miles) ⓘ't Rooth quarry, Bemelen, Eijsden-Margraten, Limburg, Netherlands
7.0km (4.3 miles) ⓘCurfs quarry, Berg en Terblijt, Valkenburg aan de Geul, Limburg, Netherlands
7.7km (4.8 miles) ⓘGeulhem quarry, Geulhem, Berg en Terblijt, Valkenburg aan de Geul, Limburg, Netherlands
References
findings Frank de Wit
 
and/or  
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