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
Porphyry quarries, Quenast, Rebecq, Walloon Brabant, Wallonia, Belgium


06690100017364500639053.jpg
Calcite

Porphyry quarries, Quenast, Rebecq, Walloon Brabant, Wallonia, Belgium
07467120017364500634073.jpg
Calcite

Porphyry quarries, Quenast, Rebecq, Walloon Brabant, Wallonia, Belgium
06690100017364500639053.jpg
Calcite

Porphyry quarries, Quenast, Rebecq, Walloon Brabant, Wallonia, Belgium
07467120017364500634073.jpg
Calcite

Porphyry quarries, Quenast, Rebecq, Walloon Brabant, Wallonia, Belgium
06690100017364500639053.jpg
Calcite

Porphyry quarries, Quenast, Rebecq, Walloon Brabant, Wallonia, Belgium
07820470017271978573086.jpg
Calcite

Porphyry quarries, Quenast, Rebecq, Walloon Brabant, Wallonia, Belgium
Locality type:Quarry
Classification
Species:Calcite
Formula:CaCO3
Comments:Chemical analysis by Schoep (1943) shows the presence of nearly 4% of MnO.
Habit:scalenohedra, fibrous coatings ending in a hexagonal prism topped with facets
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Epidote7
Quartz3
Albite2
- var Oligoclase2
Orthoclase2
K Feldspar1
- var Adularia1
Clinozoisite-Epidote Series1
Data
Mineral Data:Click here to view Calcite data
Locality Data:Click here to view Porphyry quarries, Quenast, Rebecq, Walloon Brabant, Wallonia, Belgium
Photo GalleryView Gallery (2 photos)
Data Identifiers
Mindat Occurrence Record ID:2637
Long-form Identifier:1:3:2637:6
GUID (UUID V4):0
Nearest other occurrences of Calcite
4.7km (2.9 miles) ⓘPorphyry quarry, Bierghes, Rebecq, Walloon Brabant, Wallonia, Belgium
11.7km (7.2 miles) ⓘTellier-des-Prés quarry, Soignies, Hainaut, Wallonia, Belgium
12.3km (7.6 miles) ⓘGauthier-Wincqz quarry, Soignies, Hainaut, Wallonia, Belgium
13.3km (8.3 miles) ⓘLe Hainaut quarry, Soignies, Hainaut, Wallonia, Belgium
14.3km (8.9 miles) ⓘClypot quarry, Neufvilles, Soignies, Hainaut, Wallonia, Belgium
17.7km (11.0 miles) ⓘSaisinne, Thieusies, Soignies, Hainaut, Wallonia, Belgium
21.0km (13.1 miles) ⓘErmitage quarry, Deux-Acren, Lessines, Hainaut, Wallonia, Belgium
21.3km (13.3 miles) ⓘStrépy-Bracquegnies, La Louvière, Hainaut, Wallonia, Belgium
21.6km (13.4 miles) ⓘLens, Lens, Hainaut, Wallonia, Belgium
21.7km (13.5 miles) ⓘCUP quarry, Lessines, Hainaut, Wallonia, Belgium
References
Cosyns, G. (1908) Contribution à l'étude de la roche de Quenast. Bulletin de la Société belge de Géologie, 22, 171.
Schoep, A. (1943) Mineralogische Aanteekeningen. I. Chemische samenstelling van toermalijn, epidoot en calciet uit Quenast. II. Pyrietkristallen uit het porphyriet van Quenast. Mededeelingen van de Koninklijke Vlaamsche Akademie voor Wetenschappen, Letteren en Schoone Kunsten van België, Klasse der Wetenschappen, V(3), 22 pages.
Hatert, F., Deliens, M., Fransolet, A.-M., Van Der Meersche, E. (2002) Les minéraux de Belgique (2nd ed.) Muséum des Sciences Naturelles, Bruxelles.
 
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