Information card for entry 9000063

Structure parameters

• Mineral name: Klockmannite
• Formula: Cu Se
• Calculated formula: Cu Se
• Title of publication: The crystal structure of covellite, CuS and klockmannite, CuSe
• Authors of publication: Berry, L. G.
• Journal of publication: American Mineralogist
• Year of publication: 1954
• Journal volume: 39
• Pages of publication: 504 - 509
• a: 3.938 Å
• b: 3.938 Å
• c: 17.25 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 231.671 ų
• Number of distinct elements: 2
• Space group number: 194
• Hermann-Mauguin space group symbol: P 63/m m c
• Hall space group symbol: -P 6c 2c
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No