Information card for entry 9001926

Structure parameters

• Mineral name: Actinolite
• Formula: Al0.194 Ca1.922 Fe1.538 H1.92 K0.01 Mg3.364 Mn0.052 Na0.052 O24 Si7.888 Ti0.002
• Calculated formula: Al0.194 Ca1.922 Fe1.538 H1.92 K0.01 Mg3.364 Mn0.052 Na0.052 O24 Si7.888 Ti0.002
• Title of publication: Fe-Mg order-disorder in tremolite-actinolite-ferro-actinolite at ambient and high temperature Sample: NMNH 156831, from Green Monster Mine, Alaska in uralite from cpx
• 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: 9.881 Å
• b: 18.139 Å
• c: 5.298 Å
• α: 90°
• β: 104.78°
• γ: 90°
• Cell volume: 918.149 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