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Lemmleinite-K
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| Lemmleinite-K.13138 Formula: Na.43 K.875 (Ti.7 Nb.3) Si2 O7.89 H1.23 Name: Lemmleinite-K Unit cell: 14.39 13.9 7.825 90.0 117.6 90.0 , V=1387.05 Space group: C2/m (12) |
Rastsvetaeva R K , Arakcheeva A V , Khomyakov A P , Doklady Chemistry , 351 (1996) p.294-297, Crystal structure and microtwinning of a new monoclinic analog of, nenadkevichite, Locality: Khibiny alkaline massif, Kola Peninsula, Russia
