Information card for entry 9005090

Structure parameters

• Mineral name: Piemontite
• Formula: Al1.75 Ca1.48 Ce0.04 Fe0.39 H La0.16 Mg0.08 Mn0.98 Nd0.06 O13 Pr0.02 Si3 Sm0.003 Sr0.03 Th0.004
• Calculated formula: Al1.7499 Ca1.48 Ce0.04 Fe0.39 H La0.16 Mg0.0798 Mn0.98 Nd0.06 O13 Pr0.02 Si3 Sm0.003 Sr0.03 Th0.004
• Title of publication: Crystal chemistry of piemontites: REE-bearing piemontite from Monte Brugiana, Alpi Apuane, Italy Sample: BR1C
• Authors of publication: Bonazzi, P.; Garbarino, C.; Menchetti, S.
• Journal of publication: European Journal of Mineralogy
• Year of publication: 1992
• Journal volume: 4
• Pages of publication: 23 - 33
• a: 8.881 Å
• b: 5.683 Å
• c: 10.15 Å
• α: 90°
• β: 114.99°
• γ: 90°
• Cell volume: 464.319 ų
• Number of distinct elements: 15
• Space group number: 11
• Hermann-Mauguin space group symbol: P 1 21/m 1
• Hall space group symbol: -P 2yb
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No