Information card for entry 9017256

Structure parameters

• Mineral name: Walentaite
• Formula: As2.86 Ca0.708 Fe3 Mn0.652 O19.928 P1.684
• Calculated formula: As2.86 Ca0.708 Fe3 Mn0.652 O19.928 P1.684
• Title of publication: Trimeric As3+3O6 clusters in walentaite: crystal structure and revised formula
• Authors of publication: Grey, I. E.; Mumme, W. G.; Hochleitner, R.
• Journal of publication: European Journal of Mineralogy
• Year of publication: 2019
• Journal volume: 31
• Pages of publication: 111 - 116
• a: 26.188 Å
• b: 7.36 Å
• c: 10.367 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 1998.17 ų
• Number of distinct elements: 6
• Space group number: 74
• Hermann-Mauguin space group symbol: I m m a
• Hall space group symbol: -I 2b 2
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No