Information card for entry 9000038

Structure parameters

• Mineral name: Epidote
• Formula: Al2 Ca2 Fe H O13 Si3
• Calculated formula: Al2 Ca2 Fe H O13 Si3
• Title of publication: The structure of epidote (HCa2(Al,Fe)Al2Si3O13)
• Authors of publication: Ito, T.
• Journal of publication: American Mineralogist
• Year of publication: 1947
• Journal volume: 32
• Pages of publication: 309 - 321
• a: 8.96 Å
• b: 5.63 Å
• c: 10.2 Å
• α: 90°
• β: 115.4°
• γ: 90°
• Cell volume: 464.799 ų
• Number of distinct elements: 6
• 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