| Hwang, Shyh-Lung, Shen, Pouyan, Chu, Hao-Tsu, Yui, Tzen-Fu, Varela, Maria-Euginia, Iizuka, Yoshiyuki (2019) New minerals tsangpoite Ca5(PO4)2(SiO4) and matyhite Ca9(Ca0.5□0.5)Fe(PO4)7 from the D'Orbigny angrite. Mineralogical Magazine, 83 (2) 293-313 doi:10.1180/mgm.2018.125 | Journal (article/letter/editorial) | New minerals tsangpoite Ca5(PO4)2(SiO4) and matyhite Ca9(Ca0.5 0.5)Fe(PO4)7 from angrite D’Orbigny...Avenida España 1512 sur, J5402DSP, San Juan, Argentina *E-mail: slhwang@gms.ndhu.edu.tw [Received 16...the hexagonal polymorph of silicocarnotite, and matyhite, ideally Ca9(Ca0.5 0.5)Fe(PO4)7, the Fe-analogue...Ca-merrillite, were identified from the D'Orbigny angrite meteorite by electron probe microanalysis, electron... and Z = 2 for 12 oxygen formula, and that of matyhite was shown to be trigonal, R3c, with a = 10.456 | | | Journal (issue) | structure. Mineralogical Magazine, 83, 261-267. Matyhite - Ca9(Ca0.5□0.5)Fe(PO4)7 Tsangpoite -Ca5(PO4)2(SiO4)...and matyhite, Fe-analogue of Ca-merrillite, were identified from the D'Orbigny angrite meteorite by electron...shown to be hexagonal, P63/m or P63 and that of matyhite was shown to be trigonal, R3c. On the basis of...kirschsteinite intergrowth, the formation of tsangpoite and matyhite, along with kuratite (the Fe-analogue of rhönite)...residue magmas at the final stage of the D'Orbigny meteorite formation. Alternatively, the close petrographic |
|