Information card for entry 1533602

Structure parameters

• Chemical name: Na2 K Y (Si6 O15)
• Formula: K Na2 O15 Si6 Y
• Calculated formula: K Na2 O15 Si6 Y
• Title of publication: The crystal structure of moskvinite-(Y); Na2 K (Y, REE) (Si6 O15), a new silicate mineral with (Si6 O15) three-membered double rings from the Dara-i-Pioz moraine, Tien-Shan mountains, Tajikistan
• Authors of publication: Sokolova, E.; Agakhanov, A.A.; Hawthorne, F.C.; Pautov, L.A.
• Journal of publication: Canadian Mineralogist
• Year of publication: 2003
• Journal volume: 41
• Pages of publication: 513 - 520
• a: 10.623 Å
• b: 14.97 Å
• c: 8.553 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 1360.15 ų
• Number of distinct elements: 5
• Space group number: 74
• Hermann-Mauguin space group symbol: I b m m
• Hall space group symbol: -I 2c 2c
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No