Information card for entry 9016330

Structure parameters

• Mineral name: Zigrasite
• Formula: H8 Mg O12 P2 Zr
• Calculated formula: H16 Mg2 O24 P4 Zr2
• Title of publication: The crystal structure of zigrasite, MgZr(PO4)2(H2O)4, a heteropolyhedral framework structure
• Authors of publication: Hawthorne, F. C.; Simmons, W. B.
• Journal of publication: Mineralogical Magazine
• Year of publication: 2010
• Journal volume: 74
• Pages of publication: 567 - 575
• a: 5.3049 Å
• b: 9.3372 Å
• c: 9.6282 Å
• α: 97.348°
• β: 91.534°
• γ: 90.512°
• Cell volume: 472.79 ų
• Number of distinct elements: 5
• Space group number: 2
• Hermann-Mauguin space group symbol: P -1
• Hall space group symbol: -P 1
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No