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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Plagioclase from
Piplia Kalan meteorite, Pali District, Jodhpur Division, Rajasthan, India


Locality type:Meteorite Fall Location
Classification
Species:'Plagioclase' (not an IMA approved species)
Formula:(Na,Ca)[(Si,Al)AlSi2]O8
Comments:Plagioclase is apparently largely equilibrated. Composition An89 (Grossman,1997); An88 (Buchanan et al.,1998)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Plagioclase data
Locality Data:Click here to view Piplia Kalan meteorite, Pali District, Jodhpur Division, Rajasthan, India
Data Identifiers
Mindat Occurrence Record ID:899896
Long-form Identifier:1:3:899896:5
GUID (UUID V4):0
Nearest other occurrences of Plagioclase
64.3km (40.0 miles) ⓘKareda skarns, Bhilwara District, Rajasthan, India
76.4km (47.4 miles) ⓘAmet granitoid pluton, Rajsamand District, Udaipur Division, Rajasthan, India
78.5km (48.8 miles) ⓘRajgarh pits, Ajmer District, Rajasthan, India
82.3km (51.1 miles) ⓘRampura-Agucha Zn-(Pb) deposit, Bhilwara District, Rajasthan, India
92.8km (57.7 miles) ⓘKayad mine, Ajmer District, Rajasthan, India
References
Grossman, J. N. [Ed.] (1997). The Meteoritical Bulletin, No. 81, 1997 July. Meteoritics & Planetary Science 32(4, Supplemental): A159-166. (July 1997).
Shukla, A. D., Shukla, P. N., Suthar, K. M., Bhandari, N., Vaya, V. K., Sisodia, M. S., Sinha Roy, S., Rao, K. N. & Rajawat, R. S. (1997) Piplia Kalan eucrite : Fall, petrography and chemical characteristics. Meteoritics 32(5): 611-615 (Sept 1997)
Buchanan, P. C., Mittlefehldt, D. W., Hutchison, R. & Koeberl, C. (1998) Piplia Kalan: Is It a Monomict Eucrite or a Metamorphosed Polymict Eucrite? Lunar and Planetary Science Conference XXIX, Houston, TX, abstract no. 1350. (March 1998)
Buchanan, P. C., Mittlefehldt, D. W., Hutchison, R., Koeberl, C., Lindstrom, D. J. & Pandit, M. K. (2000) Petrology of the Indian eucrite Piplia Kalan: Meteoritics & Planetary Science 35 (3): 609-616 (May 2000).
 
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