Information card for entry 9002901

Structure parameters

• Mineral name: Augite
• Formula: Al Ca0.61 Fe0.13 K0.17 Mg0.43 Mn0.01 Na0.05 O6 Si1.61
• Calculated formula: Al Ca0.61 Fe0.13 K0.17 Mg0.43 Mn0.01 Na0.05 O6 Si1.61
• Title of publication: Ultrapotassic clinopyroxene from the Kumdy-Kol microdiamond mine, Kokchetav Complex, Kazakhstan: Occurrence, composition and crystal-chemical characterization
• Authors of publication: Bindi, L.; Safonov, O. G.; Yapaskurt, V. O.; Perchuk, L. L.; Menchetti, S.
• Journal of publication: American Mineralogist
• Year of publication: 2003
• Journal volume: 88
• Pages of publication: 464 - 468
• a: 9.773 Å
• b: 8.926 Å
• c: 5.269 Å
• α: 90°
• β: 105.75°
• γ: 90°
• Cell volume: 442.378 ų
• Number of distinct elements: 9
• Space group number: 15
• Hermann-Mauguin space group symbol: C 1 2/c 1
• Hall space group symbol: -C 2yc
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No