Information card for entry 1544372

Structure parameters

• Common name: Mg9[SiO4]4(OH,F)2
• Mineral name: natural hydroxylclinohumite
• Formula: F0.16 Fe0.06 H1.86 Mg8.82 Mn0.01 O16.98 Si4 Ti0.05
• Calculated formula: H2 Mg9 O18 Si4
• Title of publication: Hydroxylclinohumite, a new member of the humite group: twinning, crystal structure and crystal chemistry of the clinohumite subgroup
• Authors of publication: Ferraris, G.; Prencipe, M.; Sokoliva, E.V.; Gekimyants, V.M.; Spiridonov, E.M.
• Journal of publication: Z. Kristallogr.
• Year of publication: 2000
• Journal volume: 215
• Pages of publication: 169 - 173
• a: 4.748 ± 0.0003 Å
• b: 10.273 ± 0.0007 Å
• c: 13.6894 ± 0.0002 Å
• α: 100.72 ± 0.01°
• β: 90°
• γ: 90°
• Cell volume: 656.06 ± 0.07 ų
• Number of distinct elements: 8
• Space group number: 14
• Hermann-Mauguin space group symbol: P 21/b 1 1
• Hall space group symbol: -P 2xab
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No