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Batisite
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| Batisite Formula: Ba.63 K1.07 Na1.3 (Ti1.44 Nb.12 Fe.32 Zr.12) Si4 O14 Name: Batisite Unit cell: 10.499 13.913 8.087 90.0 90.0 90.0 , V=1181.29 Space group: IMCM (74) |
Schmahl W W , Tillmanns E , Neues Jahrbuch fur Mineralogie, Monatshefte , 1987 (1987) p.107-118, Isomorphic substitutions, straight Si-O-Si geometry, and disorder of tetrahedral, tilting in batisite, (Ba,K)(K,Na)Na(Ti,Fe,Nb,Zr)Si4O14, Locality: tertiary nephelinite-leucite volcanic rocks, Westeifel, W. Germany
