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Glaucophane from
Hpakant-Tawmaw Jade Tract, Hpakant Township (Hpakan; Phakant; Phakan), Mohnyin District, Kachin State, Myanmar


Classification
Species:Glaucophane
Formula:◻[Na2][Mg3Al2]Si8O22(OH)2
Comments:Shi et al. (2012) presents a microprobe data that corresponds to the following formula:

(Na0.034K0.010)0.044(Na1.851Ca0.149)2.00(Mg2.769Fe2+0.377Ni0.010Mn2+0.003Fe3+0.019Cr3+0.377Al1.526Ti0.014)4.995(Si7.867Al0.133)8.00O22((OH)2.000

F3+ and O content is calculated, and formula normalized by the authors.
Confirmation
Validity:Confirmed
Confirmation Methods:EPMA
Data
Mineral Data:Click here to view Glaucophane data
Locality Data:Click here to view Hpakant-Tawmaw Jade Tract, Hpakant Township (Hpakan; Phakant; Phakan), Mohnyin District, Kachin State, Myanmar
Data Identifiers
Mindat Occurrence Record ID:865455
Long-form Identifier:1:3:865455:7
GUID (UUID V4):156aadc5-8ad6-4bb2-b7be-45dc400e9a0e
Localities for Glaucophane in this Region
Hpakant (Hpakan; Phakant; Phakan), Hpakant-Tawmaw Jade Tract, Hpakant Township (Hpakan; Phakant; Phakan), Mohnyin District, Kachin State, Myanmar
Tawmaw (Tawhmaw; Taw Maw), Hpakant-Tawmaw Jade Tract, Hpakant Township (Hpakan; Phakant; Phakan), Mohnyin District, Kachin State, Myanmar
References
Shi, G. H., Zhu, X. K., Deng, J., Mao, Q., Liu, Y. X., & Li, G. W. (2011): Geochimica et Cosmochimica Acta 75(6), 1608-1620
Guanghai Shi, George E. Harlow, Jing Wang, Jun Wang, Enoch Ng, Xia Wang, ShuMin Cao and Wenyuan CUI(2012): Mineralogy of jadeitite and related rocks from Myanmar: a review with new data. European Journal of mineralogy, Vol 24, pp 345-384
Shi, G., Harlow, G.E., Wang, J. Wang, J., Ng, E., Wang, X., Cao, G. & Cui, W. (2012): Mineralogy of jadeitite and related rocks from Myanmar:a review with new data. Eur. J. Mineral. 24, 345–370
Jing Wang, Guanghai Shi, Jun Wang, Ye Yuan, and Mengchu Yang (2013): Acta Petrologica Sinica 29(4), 1450-1460
 
Mineral and/or Locality  
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