Information card for entry 9002730

Structure parameters

• Mineral name: Ciprianiite
• Formula: Al0.479 B4 Be0.818 Ca4.604 Ce0.352 Dy0.002 Eu0.002 F0.49 Fe0.377 Gd0.008 H0.544 La0.09 Li0.038 Mg0.047 Mn0.016 Nd0.19 O22.544 Pr0.054 Si4 Sm0.02 Th0.628 Ti0.097 U0.034 Y0.016
• Calculated formula: Al0.479 B4 Be0.818 Ca4.604 Ce0.352 Dy0.002 Eu0.002 F0.49 Fe0.377 Gd0.008 H0.544 La0.09 Li0.038 Mg0.047 Mn0.016 Nd0.19 O22.544 Pr0.054 Si4 Sm0.02 Th0.628 Ti0.097 U0.034 Y0.016
• Title of publication: Ciprianiite and mottanaite-(Ce), two new minerals of the hellandite group from Latium (Italy)
• Authors of publication: Della Ventura, G.; Bonazzi, P.; Oberti, R.; Ottolini, L.
• Journal of publication: American Mineralogist
• Year of publication: 2002
• Journal volume: 87
• Pages of publication: 739 - 744
• a: 19.059 Å
• b: 4.729 Å
• c: 10.291 Å
• α: 90°
• β: 111.33°
• γ: 90°
• Cell volume: 863.993 ų
• Number of distinct elements: 24
• Space group number: 13
• Hermann-Mauguin space group symbol: P 1 2/a 1
• Hall space group symbol: -P 2ya
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No