Information card for entry 9001923

Structure parameters

• Mineral name: Actinolite
• Formula: Al0.204 Ca1.954 F0.276 Fe0.947 H1.696 K0.096 Mg4.031 Mn0.014 Na0.152 O23.724 Si7.82 Ti0.004
• Calculated formula: Al0.204 Ca1.954 F0.276 Fe0.947 H1.696 K0.096 Mg4.031 Mn0.014 Na0.152 O23.724 Si7.82 Ti0.004
• Title of publication: Fe-Mg order-disorder in tremolite-actinolite-ferro-actinolite at ambient and high temperature Sample: C70, 67-3172, from Carr Fork Mine, Bingham, Utah in cpx hornfels rock after heating at 700 C
• 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: 9.852 Å
• b: 18.066 Å
• c: 5.282 Å
• α: 90°
• β: 104.89°
• γ: 90°
• Cell volume: 908.555 ų
• Sample thermal history: after heating at 700 C
• 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