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CbgEΦhΞ, w_Cg-(Y)
’ΑΖθ€ήΦηρΗΉ«
Hellandite-(Y)
©N: 1903N (mEF[, Lindvikskollen), 1987N (ϊ{)
YnXg: CbgEΦhΞΜYn (3)
- Ca4Y2AlB4Si4O22(OH)2
- (Ca,Y)6(Al,Fe)B4Si4O22(OH)2
- [Ca2+3REE3+][Y3+)2][Al3+][][(OH)2|(B2Si2O11)2]18-
- FΚ: ©, Ξ,
- υς: KX
- §ί: Ό§Ύ
- J: {100}{001}2ϋόnγ
- dx: 5.5-6
- δd: 3.7
- »n: PΞ
- ΞΜ: 2/m, P2/a
- iq: a=19.0, b=4.7, c=10.3, β=111.4
ΚΌ: ΦhΞ