Information card for entry 9002505

Structure parameters

• Mineral name: Cuspidine
• Formula: Ca1.005 F Na0.995 O3.5 P
• Calculated formula: Ca1.005 F Na0.995 O3.5 P
• Title of publication: Na2Ca2(P2O7)F2, the first diphosphate of the cuspidine family Sample: split position O1
• Authors of publication: Piotrowski, A.; Kahlenberg, V.; Fischer, R. X.
• Journal of publication: American Mineralogist
• Year of publication: 1999
• Journal volume: 85
• Pages of publication: 1534 - 1539
• a: 10.873 Å
• b: 10.5516 Å
• c: 7.4287 Å
• α: 90°
• β: 109.74°
• γ: 90°
• Cell volume: 802.192 ų
• Number of distinct elements: 5
• Space group number: 14
• Hermann-Mauguin space group symbol: P 1 21/n 1
• Hall space group symbol: -P 2yn
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No