Information card for entry 1526594

Structure parameters

• Chemical name: (Fe10.14 Zn1.80) (As O3)6 (O H)6 (As1.536 Si0.492 O6 (O H)0.492)
• Formula: As7.536 Fe10.14 H6.492 O30.492 Si0.492 Zn1.8
• Calculated formula: As7.536 Fe10.14 H6.492 O30.492 Si0.492 Zn1.8
• Title of publication: Ekatite, (Fe(3+), Fe(2+), Zn)12 (O H)6 (As O3)6 (As O3, H O Si O3)2, a new mineral from Tsumeb, Namibia, and its crystal structure
• Authors of publication: Keller, P.
• Journal of publication: European Journal of Mineralogy (1,1989-)
• Year of publication: 2001
• Journal volume: 13
• Pages of publication: 769 - 777
• a: 12.773 Å
• b: 12.773 Å
• c: 5.051 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 713.664 ų
• Number of distinct elements: 6
• Space group number: 186
• Hermann-Mauguin space group symbol: P 63 m c
• Hall space group symbol: P 6c -2c
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No