Information card for entry 9016545

Structure parameters

• Mineral name: Pumpellyite-(Mg)
• Formula: Al2.22 Ca2 Cr0.27 Fe0.05 H2 Mg0.45 Mn0.01 O14 Si3
• Calculated formula: Al8.88 Ca8 Cr1.08 Fe0.2 H8 Mg1.8 Mn0.04 O56 Si12
• Title of publication: Crystal chemistry of chromian pumpellyite from Osayama, Okayama Prefecture, Japan Sample: ocp0604
• Authors of publication: Hamada, M.; Akasaka, M.; Seto, S.; Makino, K.
• Journal of publication: American Mineralogist
• Year of publication: 2010
• Journal volume: 95
• Pages of publication: 1294 - 1304
• a: 19.0935 Å
• b: 5.9 Å
• c: 8.81 Å
• α: 90°
• β: 97.54°
• γ: 90°
• Cell volume: 983.88 ų
• Number of distinct elements: 9
• Space group number: 12
• Hermann-Mauguin space group symbol: C 1 2/m 1
• Hall space group symbol: -C 2y
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No