Information card for entry 9005092

Structure parameters

• Mineral name: Piemontite
• Formula: Al1.88 Ca1.73 Ce0.02 Fe0.51 H La0.02 Mg0.01 Mn0.81 Nd0.01 O13 Pr0.002 Si2.97 Sr0.04
• Calculated formula: Al1.8798 Ca1.73 Ce0.02 Fe0.51 H La0.02 Mg0.0099 Mn0.81 Nd0.01 O13 Pr0.002 Si2.97 Sr0.04
• Title of publication: Crystal chemistry of piemontites: REE-bearing piemontite from Monte Brugiana, Alpi Apuane, Italy Sample: BR2H
• 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: 8.845 Å
• b: 5.668 Å
• c: 10.152 Å
• α: 90°
• β: 115.35°
• γ: 90°
• Cell volume: 459.947 ų
• Number of distinct elements: 13
• 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