Information card for entry 9011733

Structure parameters

• Mineral name: Almarudite
• Formula: Al0.786 Be2.214 Fe0.62 K0.928 Mg0.322 Mn1.058 Na0.2 O30 Si12
• Calculated formula: Al0.786 Be2.214 Fe0.62 K0.928 Mg0.322 Mn1.058 Na0.2 O30 Si12
• Title of publication: Two new minerals, rondorfite, Ca8Mg[SiO4]4Cl2, and almarudite, K(box,Na)2(Mn,Fe,Mg)2(Be,Al)3[Si12O30], and a study of iron-rich wadalite, Ca12[(Al8Si4Fe2)O32]C16, from the Bellerberg (Bellberg) volcano, Eifel, Germany Locality: Bellerberg volcano lava field, 2 km N of Mayen, Eastern Eifel volcanic area, Eifel, Germany
• Authors of publication: Mihajlovic, T.; Lengauer, C. L.; Ntaflos, T.; Lolitsch, U.; Tillmanns, E.
• Journal of publication: Neues Jahrbuch fur Mineralogie, Abhandlungen
• Year of publication: 2004
• Journal volume: 179
• Pages of publication: 265 - 294
• a: 9.997 Å
• b: 9.997 Å
• c: 14.09 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 1219.5 ų
• Number of distinct elements: 9
• 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