Information card for entry 9001675

Structure parameters

• Mineral name: Nchwaningite
• Formula: H4 Mn2 O6 Si
• Calculated formula: H4 Mn2 O6 Si
• Title of publication: Nchwaningite, Mn2SiO3(OH)2.H2O, a new pyroxene-related chain silicate from the N'chwaning mine, Kalahari manganese field, South Africa
• Authors of publication: Nyfeler, D.; Armbruster, T.; Dixon, R.; Bermanec, V.
• Journal of publication: American Mineralogist
• Year of publication: 1995
• Journal volume: 80
• Pages of publication: 377 - 386
• a: 12.672 Å
• b: 7.217 Å
• c: 5.341 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 488.455 ų
• Number of distinct elements: 4
• Space group number: 29
• Hermann-Mauguin space group symbol: P c a 21
• Hall space group symbol: P 2c -2ac
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No