Information card for entry 9017626

Structure parameters

• Mineral name: Dervillite
• Formula: Ag2 As S2
• Calculated formula: Ag16 As8 S16
• Title of publication: Dervillite, Ag2AsS2, from Lengenbach quarry, Binn valley, Switzerland: occurrence and crystal structure
• Authors of publication: Bindi, L.; Nestola, F.; De Battisti, L.; Guastoni, A.
• Journal of publication: Mineralogical Magazine
• Year of publication: 2013
• Journal volume: 77
• Pages of publication: 3105 - 3112
• a: 9.6155 Å
• b: 12.9331 Å
• c: 6.8616 Å
• α: 90°
• β: 99.352°
• γ: 90°
• Cell volume: 841.955 ų
• Number of distinct elements: 3
• Space group number: 7
• Hermann-Mauguin space group symbol: P 1 c 1
• Hall space group symbol: P -2yc
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No