Information card for entry 9014945

Structure parameters

• Mineral name: Achavalite
• Formula: Fe S0.5 Se0.5
• Calculated formula: Fe S0.5 Se0.5
• Title of publication: Rontgenographische Daten der Mischphasen im System Pyrit (FeS2) - Ferroselit (FeSe2)/Pyrrhotin (FeS) - Achavalit (FeSe)
• Authors of publication: Franz, E. D.
• Journal of publication: Neues Jahrbuch fur Mineralogie, Monatshefte
• Year of publication: 1972
• Journal volume: 1972
• Pages of publication: 276 - 280
• a: 3.521 Å
• b: 3.521 Å
• c: 5.901 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 63.356 ų
• Number of distinct elements: 3
• Space group number: 186
• Hermann-Mauguin space group symbol: P 63 m c
• Hall space group symbol: P 6c -2c
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No