Information card for entry 9013461

Structure parameters

• Mineral name: Friedrichbeckeite
• Formula: Be1.821 K0.926 Mg2.793 Mn0.386 Na0.772 O30 Si12
• Calculated formula: Be1.821 K0.926 Mg2.793 Mn0.386 Na0.772 O30 Si12
• Title of publication: Friedrichbeckeite, K(_0.5Na0.5)2(Mg0.8Mn0.1Fe0.1)2(Be0.6Mg0.4)3[Si12O30], a new milarite-type mineral from the Bellerberg volcano, Eifel area, Germany
• Authors of publication: Lengauer, C. L.; Hrauda, N.; Kolitsch, U.; Krickl, R.; Tillmanns, E.
• Journal of publication: Mineralogy and Petrology
• Year of publication: 2009
• Journal volume: 96
• Pages of publication: 221 - 232
• a: 9.97 Å
• b: 9.97 Å
• c: 14.13 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 1216.36 ų
• Number of distinct elements: 7
• Space group number: 192
• Hermann-Mauguin space group symbol: P 6/m c c
• Hall space group symbol: -P 6 2c
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No