Information card for entry 1531309

Structure parameters

• Chemical name: Ca4 (Ce1.46 Ca0.37 Th0.17) (Al0.5 Fe0.38 Mg0.03 Ti0.07) (Be1.18 Li0.02) B3.99 Si3.98 O22 (O1.04 F0.53 (O H)0.43)
• Formula: Al0.5 B3.99 Be1.18 Ca4.37 Ce1.46 F0.53 Fe0.38 H0.43 Li0.02 Mg0.03 O23.47 Si3.98 Th0.17 Ti0.07
• Calculated formula: Al0.5 B4 Be1.18 Ca4.37 Ce1.46 F0.53 Fe0.38 Li0.024 Mg0.015 O23.47 Si4 Th0.17 Ti0.035
• 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: 19.032 Å
• b: 4.746 Å
• c: 10.248 Å
• α: 90°
• β: 110.97°
• γ: 90°
• Cell volume: 864.351 ų
• Number of distinct elements: 14
• 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