Information card for entry 9005692

Structure parameters

• Mineral name: Cuspidine
• Formula: Ca3.69 F2 Na0.17 O7 Si2 Zr0.14
• Calculated formula: Ca3.69 F2 Na0.17 O7 Si2 Zr0.14
• Title of publication: Chemical and structural study of the Zr,Ti-disilicates in the venanzite from Pian di Celle, Umbria, Italy
• Authors of publication: Bellezza, M.; Merlino, S.; Perchiazzi, N.
• Journal of publication: European Journal of Mineralogy
• Year of publication: 2004
• Journal volume: 16
• Pages of publication: 957 - 969
• a: 10.919 Å
• b: 10.485 Å
• c: 7.485 Å
• α: 90°
• β: 109.55°
• γ: 90°
• Cell volume: 807.524 ų
• Number of distinct elements: 6
• Space group number: 14
• Hermann-Mauguin space group symbol: P 1 21/a 1
• Hall space group symbol: -P 2yab
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No