Information card for entry 1544625

Structure parameters

• Common name: CaFe3Al6(Si5Al)18)(BO3)3(OH)3(OH) adachiite
• Mineral name: adachiite
• Formula: Al7 B3 Ca Fe3 H4 O31 Si5
• Calculated formula: B3 H4 O31 T6 X Y3 Z6
• Title of publication: Adachiite, a Si-poor member of the tourmaline supergroup from the Kiura mine, Oita Prefecture, Japan
• Authors of publication: Nishio-Hamane, D.; Minakawa, T.; Yamaura, J.-I.; Oyama, T.; Ohnishi, M.; Shimobayashi, N.
• Journal of publication: Journal of Mineralogical and Petrological Sciences
• Year of publication: 2014
• Journal volume: 109
• Pages of publication: 74 - 78
• a: 15.929 ± 0.0002 Å
• b: 15.929 ± 0.0002 Å
• c: 7.183 ± 0.0001 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 1578.39 ± 0.04 ų
• Number of distinct elements: 7
• Space group number: 160
• Hermann-Mauguin space group symbol: R 3 m :H
• Hall space group symbol: R 3 -2"
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No