Information card for entry 9015882

Structure parameters

• Mineral name: Piemontite
• Formula: Al2.15 Ca2 Fe0.12 H Mn0.73 O13 Si3
• Calculated formula: Al2.15 Ca2 Fe0.12 H Mn0.73 O13 Si3
• Title of publication: X-ray Rietveld and 57Fe Mossbauer studies of epidote and piemontite on the join Ca2Al2FeSi3O12(OH) - Ca2Al2MnSi3O12(OH) formed by hydrothermal synthesis Sample: q=0.25, run 30
• Authors of publication: Nagashima, M.; Akasada, M.
• Journal of publication: American Mineralogist
• Year of publication: 2010
• Journal volume: 95
• Pages of publication: 1237 - 1246
• a: 8.8727 Å
• b: 5.6686 Å
• c: 10.1682 Å
• α: 90°
• β: 115.48°
• γ: 90°
• Cell volume: 461.675 ų
• Number of distinct elements: 7
• 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