Information card for entry 9001110

Structure parameters

• Mineral name: Becquerelite
• Formula: Ca O30 U6
• Calculated formula: Ca O30 U6
• Title of publication: Crystal structures and crystal chemistry of the uranyl oxide hydrates becquerelite, billietite, and protasite
• Authors of publication: Pagoaga, M. K.; Appleman, D. E.; Stewart, J. M.
• Journal of publication: American Mineralogist
• Year of publication: 1987
• Journal volume: 72
• Pages of publication: 1230 - 1238
• a: 13.8378 Å
• b: 12.3781 Å
• c: 14.9238 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 2556.23 ų
• Number of distinct elements: 3
• Space group number: 33
• Hermann-Mauguin space group symbol: P n 21 a
• Hall space group symbol: P -2ac -2n
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No