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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Riebeckite from
Khetri, Sikar District, Jaipur district, Rajasthan, India


Locality type:Complex
Classification
Species:Riebeckite
Formula:◻Na2(Fe32+Fe23+)Si8O22(OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Riebeckite data
Locality Data:Click here to view Khetri, Sikar District, Jaipur district, Rajasthan, India
Data Identifiers
Mindat Occurrence Record ID:1332018
Long-form Identifier:1:3:1332018:0
GUID (UUID V4):0
References
Basu, S. K., & Narsayya, B. L. (1982). Note on a zone of probable carbonatite-alkali metasomatic rock associotion in the eastern part of Khetri copper belt, Northeastern Rajasthan. Indian Minerals, 36(1), 29-31.
Saxena, M. N., Gupta, L. N., & CHAUDHRI, N. (1984). Carbonatite dikes in Dhanota-Dhancholi hills, Narnaul, Haryana. Current science, 53(12), 651-652.
 
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