Information card for entry 9010012

Structure parameters

• Mineral name: Epididymite
• Formula: Be2 H Na2 O16 Si6
• Calculated formula: Be2 H Na2 O16 Si6
• Title of publication: The crystal structure of epididymite Locality: Narsarsuk, Greenland
• Authors of publication: Robinson, P. D.; Fang, J. H.
• Journal of publication: American Mineralogist
• Year of publication: 1970
• Journal volume: 55
• Pages of publication: 1541 - 1549
• a: 12.74 Å
• b: 13.63 Å
• c: 7.33 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 1272.83 ų
• Number of distinct elements: 5
• Space group number: 62
• Hermann-Mauguin space group symbol: P n m a
• Hall space group symbol: -P 2ac 2n
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No