Information card for entry 9003443

Structure parameters

• Formula: H2 Mg6 Na2 O24 Si8
• Calculated formula: H2 Mg6 Na2 O24 Si8
• Title of publication: Synthesis and crystal-chemistry of Na(NaMg)Mg5Si8O22(OH)2, a P2_1/m amphibole
• Authors of publication: Iezzi, G.; Della Ventura, G.; Oberti, R.; Camara, F.; Holtz, F.
• Journal of publication: American Mineralogist
• Year of publication: 2004
• Journal volume: 89
• Pages of publication: 640 - 646
• a: 9.689 Å
• b: 17.938 Å
• c: 5.268 Å
• α: 90°
• β: 102.5°
• γ: 90°
• Cell volume: 893.882 ų
• Number of distinct elements: 5
• Space group number: 11
• Hermann-Mauguin space group symbol: P 1 21/m 1
• Hall space group symbol: -P 2yb
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No