Information card for entry 9014931

Structure parameters

• Mineral name: Effenbergerite
• Formula: Ba Cu O10 Si4
• Calculated formula: Ba Cu O10 Si4
• Title of publication: Effenbergerite, BaCu[Si4O10], a new mineral from the Kalahari Manganese Field, South Africa: description and crystal structure
• Authors of publication: Giester, G.; Rieck, B.
• Journal of publication: Mineralogical Magazine
• Year of publication: 1994
• Journal volume: 58
• Pages of publication: 663 - 670
• a: 7.442 Å
• b: 7.442 Å
• c: 16.133 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 893.5 ų
• Number of distinct elements: 4
• Space group number: 130
• Hermann-Mauguin space group symbol: P 4/n c c :2
• Hall space group symbol: -P 4a 2ac
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No