Information card for entry 9017876

Structure parameters

• Mineral name: Keystoneite
• Formula: Fe0.47 H7.62 Mg0.79 Mn0.1 Ni1.25 O12.81 Te3
• Calculated formula: Fe0.47 H7.62 Mg0.79 Mn0.1 Ni1.25 O12.81 Te3
• Title of publication: Crystal chemistry of zemannite-type structures: III. Keystoneite, the Ni2±analogue of zemannite, and ferrotellurite discredited
• Authors of publication: Missen, O. P.; Back, M. E.; Mills, S. J.; Roberts, A. C.; LePage, Y.; Pinch, W. W.; Mandarino, J. A.
• Journal of publication: The Canadian Mineralogist
• Year of publication: 2021
• Journal volume: 59
• Pages of publication: 355 - 364
• a: 9.3667 Å
• b: 9.3667 Å
• c: 7.6173 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 578.769 ų
• Number of distinct elements: 7
• Space group number: 173
• Hermann-Mauguin space group symbol: P 63
• Hall space group symbol: P 6c
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No