Information card for entry 9012745

Structure parameters

• Mineral name: Lemmleinite-K
• Formula: H1.23 K0.875 Na0.43 Nb0.3 O7.89 Si2 Ti0.7
• Calculated formula: H2.08 K0.875 Na0.43 Nb0.3 O7.89 Si2 Ti0.7
• Title of publication: Crystal structure and microtwinning of a new monoclinic analog of nenadkevichite
• Authors of publication: Rastsvetaeva, R. K.; Arakcheeva, A. V.; Khomyakov, A. P.
• Journal of publication: Doklady Chemistry
• Year of publication: 1996
• Journal volume: 351
• Pages of publication: 294 - 297
• a: 14.39 Å
• b: 13.9 Å
• c: 7.825 Å
• α: 90°
• β: 117.6°
• γ: 90°
• Cell volume: 1387.05 ų
• Number of distinct elements: 7
• Space group number: 12
• Hermann-Mauguin space group symbol: C 1 2/m 1
• Hall space group symbol: -C 2y
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No