Information card for entry 1531203

Structure parameters

• Chemical name: (Ca (La0.61 Ce1.54 Nd0.85)) (Al2 (Al0.8 Mg0.2) (Al0.33 Mg0.33 Fe0.33)) (Si O4)3 (Si2 O7) (O0.86 F0.14) (O0.4 (O H)1.6)
• Formula: Al3.13 Ca Ce1.54 F0.14 Fe0.33 H1.6 La0.61 Mg0.53 Nd0.85 O21.86 Si5
• Calculated formula: Al3.133 Ca Ce1.539 F0.14 Fe0.333 H1.6 La0.609 Mg0.533 Nd0.849 O21.86 Si5
• Title of publication: Gatelite-(Ce), a new REE-bearing mineral from Trimouns, French Pyrenees: crystal structure and polysomatic relationships with epidote and tornebohmite-(Ce)
• Authors of publication: Bonazzi, P.; Bindi, L.; Parodi, G.C.
• Journal of publication: American Mineralogist
• Year of publication: 2003
• Journal volume: 88
• Pages of publication: 223 - 228
• a: 17.77 Å
• b: 5.651 Å
• c: 17.458 Å
• α: 90°
• β: 116.18°
• γ: 90°
• Cell volume: 1573.26 ų
• Number of distinct elements: 11
• Space group number: 14
• Hermann-Mauguin space group symbol: P 1 21/a 1
• Hall space group symbol: -P 2yab
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No