Information card for entry 1011247

Structure parameters

• Chemical name: Aluminium silicate hydroxide *
• Mineral name: Metahalloysite
• Formula: Al2 H4 O9 Si2
• Calculated formula: Al2 H4 O9 Si2
• Title of publication: Ueber die Struktur von Halloysit und Metahalloysit.
• Authors of publication: Mehmel, M
• Journal of publication: Zeitschrift fuer Kristallographie, Kristallgeometrie, Kristallphysik, Kristallchemie (-144,1977)
• Year of publication: 1935
• Journal volume: 90
• Pages of publication: 35 - 43
• a: 5.15 Å
• b: 8.9 Å
• c: 7.57 Å
• α: 90°
• β: 100°
• γ: 90°
• Cell volume: 341.7 ų
• Sample thermal history: heating halloysite to 378 K
• Number of distinct elements: 4
• Space group number: 8
• Hermann-Mauguin space group symbol: C 1 m 1
• Hall space group symbol: C -2y
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No