[ gbv ] [ English ]
vtBCg, PtΞ
«ζ€Ή«
Lamprophyllite
©N: 1894N (VA, KolaΌ), 1998N (ϊ{)
YnXg: vtBCgΜYn (1)
- Na4SrTi3Si4O16(OH)2
- (Na,Ti,Mn2+,Fe3+)4(Sr,K,Ba)Ti3Si4O16(OH,F)2
- [Na+4][Sr2+][Ti4+3][(OH)2|O2|(Si2O7)2]18-
- FΚ: ©
- π: W
- υς: KX
- §ί: Ό§Ύ
- J: {100}1ϋόΗD
- dx: 2.5
- δd: 3.4
- »n: PΞ (2M), Ξϋ (2O) (Οw^CvΜ½^)
- ΞΜ: 2/m, C2/m
- iq: a=19.8, b=7.1, c=5.4, β=96.5