Information card for entry 9000568

Structure parameters

• Mineral name: Plancheite
• Formula: Cu8 H6 O27 Si8
• Calculated formula: Cu8 H6 O27 Si8
• Title of publication: The crystal chemistry of the hydrous copper silicates, shattuckite and plancheite Note: sample is from Rioja, Argentina
• Authors of publication: Evans, H. T.; Mrose, M. E.
• Journal of publication: American Mineralogist
• Year of publication: 1977
• Journal volume: 62
• Pages of publication: 491 - 502
• a: 19.043 Å
• b: 20.129 Å
• c: 5.269 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 2019.69 ų
• Number of distinct elements: 4
• Space group number: 60
• Hermann-Mauguin space group symbol: P c n b
• Hall space group symbol: -P 2b 2ac
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No