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Fluorapophyllite
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| Fluorapophyllite_1 Formula: K Ca4 Si8 O28 F H16 Name: Fluorapophyllite Unit cell: 8.965 8.965 15.767 90.0 90.0 90.0 , V=1267.21 Space group: P4/MNC (128) |
Chao G Y , American Mineralogist , 56 (1971) p.1234-1242, The refinement of the crystal structure of apophyllite II. Determination of the, hydrogen positions by X-ray diffraction, Note: O1-B23 changed to match symmetry constraints
