Information card for entry 9001742

Structure parameters

• Mineral name: Piemontite
• Formula: Al1.71 Ca0.96 Ce0.23 Cu0.13 Fe0.4 Gd0.01 H La0.11 Mg0.16 Mn0.93 Nd0.1 O13 Pr0.03 Si3 Sm0.02 Sr0.19 Th0.02
• Calculated formula: Al1.71 Ca0.96 Ce0.23 Cu0.13 Fe0.4 Gd0.01 H La0.11 Mg0.16 Mn0.93 Nd0.1 O13 Pr0.03 Si3 Sm0.02 Sr0.19 Th0.02
• Title of publication: Solid solution between piemontite and androsite-(La), a new mineral of the epidote group from Andros Island, Greece Sample: VA-1a
• Authors of publication: Bonazzi, P.; Menchetti, S.; Reinecke, T.
• Journal of publication: American Mineralogist
• Year of publication: 1996
• Journal volume: 81
• Pages of publication: 735 - 742
• a: 8.89 Å
• b: 5.69 Å
• c: 10.135 Å
• α: 90°
• β: 114.44°
• γ: 90°
• Cell volume: 466.732 ų
• Number of distinct elements: 17
• 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