Information card for entry 9002501

Structure parameters

• Mineral name: Tumchaite
• Formula: H4 Na2 O13 Si4 Sn0.2 Zr0.8
• Calculated formula: H4 Na2 O13 Si4 Sn0.2 Zr0.8
• Title of publication: Tumchaite Na2(Zr,Sn)Si4O11.2H2O - a new mineral from carbonatites of the Vuoriyarvi alkali-ultrabasic massif, Murmansk Region, Russia
• Authors of publication: Subbotin, V. V.; Merlino, S.; Pushcharovsky, D. Y.; Pakhomovsky, Y. A.; Ferro, O.; Bogdanova, A. N.; Voloshin, A. V.; Sorokhtina, N. V.; Zubkova, N. V.
• Journal of publication: American Mineralogist
• Year of publication: 2000
• Journal volume: 85
• Pages of publication: 1516 - 1520
• a: 9.144 Å
• b: 8.818 Å
• c: 7.537 Å
• α: 90°
• β: 113.22°
• γ: 90°
• Cell volume: 558.495 ų
• Number of distinct elements: 6
• Space group number: 14
• Hermann-Mauguin space group symbol: P 1 21/c 1
• Hall space group symbol: -P 2ybc
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No