Information card for entry 9017769

Structure parameters

• Mineral name: Rippite
• Formula: K Nb0.96 O7 Si2 Ti0.02 Zr0.01
• Calculated formula: K Nb0.96 O7 Si2 Ti0.02 Zr0.01
• Title of publication: Rippite, K2(Nb,Ti)2(Si4O12)O(O,F), a new K-Nb-cyclosilicate from Chuktukon Carbonatite Massif, Chadobets Upland, Krasnoyarsk Territory, Russia
• Authors of publication: Sharygin, V. V.; Doroshkevich, A. G.; Seryotkin, Y. V.; Karmanov, N. S.; Belogub, E. V.; Moroz, T. N.; Nigmatulina, E. N.; Yelisseyev, A. P.; Vedenyapin, V. N.; Kupriyanov, I. N.
• Journal of publication: Minerals
• Year of publication: 2020
• Journal volume: 10
• Pages of publication: ? - 1102
• a: 8.73885 Å
• b: 8.73885 Å
• c: 8.1277 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 620.692 ų
• Number of distinct elements: 6
• Space group number: 100
• Hermann-Mauguin space group symbol: P 4 b m
• Hall space group symbol: P 4 -2ab
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No