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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Ekanite from
Ampegama quarry, Galle District, Southern Province, Sri Lanka


Locality type:Quarry
Classification
Species:Ekanite
Formula:Ca2ThSi8O20
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Ekanite data
Locality Data:Click here to view Ampegama quarry, Galle District, Southern Province, Sri Lanka
Data Identifiers
Mindat Occurrence Record ID:1995227
Long-form Identifier:1:3:1995227:3
GUID (UUID V4):0
Nearest other occurrences of Ekanite
59.8km (37.1 miles) ⓘRakwana, Ratnapura District, Sabaragamuwa Province, Sri Lanka
74.3km (46.2 miles) ⓘEhiliyagoda (Ehaliyagoda; Ehelliyagoda), Ratnapura, Ratnapura District, Sabaragamuwa Province, Sri Lanka
References
Sameera, K. A. Geeth; Hauzenberger, Christoph A.; Fernando, G. W. A. Rohan; Škoda, Radek; Dharmapriya, Prasanna L.; Chanmuang N., Chutimun; Nasdala, Lutz (2026) Formation of ekanite in “antiskarn” by carbonatitic melt infiltration into charnockitic gneiss, Ampegama, southwestern Highland Complex, Sri Lanka. Contributions to Mineralogy and Petrology, 181 (7). p.52. doi:10.1007/s00410-026-02330-z
 
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