Information card for entry 9001938

Structure parameters

• Mineral name: Ferro-actinolite
• Formula: Al0.02 Ca1.97 Fe3.98 H1.88 K0.044 Mg0.88 Mn0.196 Na0.028 O24 Si7.98 Ti0.002
• Calculated formula: Al0.02 Ca1.97 Fe3.98 H1.88 K0.044 Mg0.88 Mn0.196 Na0.028 O24 Si7.98 Ti0.002
• Title of publication: Fe-Mg order-disorder in tremolite-actinolite-ferro-actinolite at ambient and high temperature Sample: NMNH 168215, from Goose Creek Quarry, Leesburg, Virginia, in an alteration of hornblende
• 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: 9.977 Å
• b: 18.287 Å
• c: 5.308 Å
• α: 90°
• β: 104.81°
• γ: 90°
• Cell volume: 936.269 ų
• Number of distinct elements: 11
• 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