Information card for entry 9016256

Structure parameters

• Mineral name: Gunterblassite
• Formula: Ba0.3 Ca0.7 Fe0.5 H18 K1.2 Mg0.15 Na0.15 O36 Si13
• Calculated formula: Ba0.3 Ca0.7 Fe0.5 H18 K1.2 Mg0.15 Na0.15 O36 Si13
• Title of publication: Crystal structure of gunterblassite, a new mineral with a triple tetrahedral layer Note: tetrahedral sites, Si8.83 Al3.06, but occupancies were not reported
• Authors of publication: Rastvetaeva, R. K.; Aksenov, S. M.; Chukanov, N. V.
• Journal of publication: Doklady Chemistry
• Year of publication: 2012
• Journal volume: 442
• Pages of publication: 57 - 62
• a: 6.538 Å
• b: 6.975 Å
• c: 37.26 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 1699.15 ų
• Number of distinct elements: 9
• Space group number: 31
• Hermann-Mauguin space group symbol: P n m 21
• Hall space group symbol: P 2bc -2bc
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No