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Hastingsite
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| Hastingsite Formula: Si6.32 Al1.68 (Mg.55 Fe4.45) Ca2 Na3.96 O24 H2 Name: Hastingsite Unit cell: 9.967 18.269 5.347 90.0 104.97 90.0 , V=940.58 Space group: C12/M1 (12) |
Makino K , Tomita K , American Mineralogist , 74 (1989) p.1097-1105, Cation distribution in the octahedral sites of hornblendes, sample O-H from Obira, Japan
