Information card for entry 9001045

Structure parameters

• Mineral name: Tomichite
• Formula: As Fe O14 Ti2.98 V3.02
• Calculated formula: As Fe O14 Ti2.98 V3.02
• Title of publication: Barian tomichite, Ba.5(As2).5Ti2(V,Fe)5O13(OH), its crystal structure and relationship to derbylite and tomichite
• Authors of publication: Grey, I. E.; Madsen, I. C.; Harris, D. C.
• Journal of publication: American Mineralogist
• Year of publication: 1987
• Journal volume: 72
• Pages of publication: 201 - 208
• a: 7.119 Å
• b: 14.176 Å
• c: 4.992 Å
• α: 90°
• β: 105.1°
• γ: 90°
• Cell volume: 486.393 ų
• Number of distinct elements: 5
• Space group number: 11
• Hermann-Mauguin space group symbol: P 1 21/m 1
• Hall space group symbol: -P 2yb
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No