Information card for entry 9001936

Structure parameters

• Mineral name: Actinolite
• Formula: Al0.024 Ca1.814 Cl0.03 F0.01 Fe3.112 H1.86 Mg1.954 Mn0.088 Na0.018 O23.96 Si7.988 Ti0.002
• Calculated formula: Al0.024 Ca1.814 Cl0.03 F0.01 Fe3.112 H1.86 Mg1.954 Mn0.088 Na0.018 O23.96 Si7.988 Ti0.002
• Title of publication: Fe-Mg order-disorder in tremolite-actinolite-ferro-actinolite at ambient and high temperature Sample: ID4-4C, from Isua Belt, East Greenland, in an iron formation
• Authors of publication: Evans, B. W.; Yang, H.
• Journal of publication: American Mineralogist
• Year of publication: 1998
• Journal volume: 83
• Pages of publication: 458 - 475
• a: 9.908 Å
• b: 18.218 Å
• c: 5.301 Å
• α: 90°
• β: 104.59°
• γ: 90°
• Cell volume: 925.996 ų
• Number of distinct elements: 12
• 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