Information card for entry 9012744

Structure parameters

• Mineral name: Pyatenkoite-(Y)
• Formula: Dy0.3 Gd0.2 H12 Na5 Nb0.2 O24 Si6 Ti0.8 Y0.5
• Calculated formula: Dy0.3 Gd0.2 H12 Na5 Nb0.2 O24 Si6 Ti0.8 Y0.5
• Title of publication: Crystal structure of pyatenkoite-(Y) Na5YTiSi6O18*6H2O, a new mineral of the hilairite group: crystal structure
• Authors of publication: Rastsvetaeva, R. K.; Khomyakov, A. P.
• Journal of publication: Doklady Chemistry
• Year of publication: 1996
• Journal volume: 351
• Pages of publication: 283 - 286
• a: 10.696 Å
• b: 10.696 Å
• c: 15.728 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 1558.29 ų
• Number of distinct elements: 9
• Space group number: 155
• Hermann-Mauguin space group symbol: R 3 2 :H
• Hall space group symbol: R 3 2"
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No