Information card for entry 1538517

Structure parameters

• Chemical name: Na14 Ca6 Zr3 (Fe1.35 Ta0.51) (Si0.78 Nb0.13 W0.09) (Si0.5 Al0.3 Ti0.2) (Si24 O72) (O H)3.52 Cl0.8 (H2 O)1.6
• Formula: Al0.3 Ca6 Cl0.8 Fe1.35 H6.72 Na14 Nb0.13 O77.12 Si25.28 Ta0.51 Ti0.2 W0.09 Zr3
• Calculated formula: Al0.3 Ca6 Cl0.8 Fe1.35 Na13.98 Nb0.13 O77.09 Si25.28 Ta0.51 Ti0.2 W0.09 Zr3
• Title of publication: Characteristic structural features of a tantalum-rich eudialyte variaty from Brazil
• Authors of publication: Rastsvetaeva, R.K.; Moekkel, S.; Chukanov, N.V.
• Journal of publication: Kristallografiya
• Year of publication: 2003
• Journal volume: 48
• Pages of publication: 250 - 255
• a: 14.245 Å
• b: 14.245 Å
• c: 30.163 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 5300.66 ų
• Number of distinct elements: 13
• Space group number: 160
• Hermann-Mauguin space group symbol: R 3 m :H
• Hall space group symbol: R 3 -2"
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No