Information card for entry 9003640

Structure parameters

• Mineral name: Rossmanite
• Formula: Al8.982 B3.324 H5 Na0.484 O31 Si5.676
• Calculated formula: Al8.982 B3.324 H3 Na0.484 O31 Si5.676
• Title of publication: Mn-bearing "oxy-rossmanite" with tetrahedrally-coordinated Al and B from Austria: Structure, chemistry, and infrared and optical spectroscopic study Sample: REDT1 from Eibenstein an der Thaya, Lower Austria Reported formula: (Na.46 Ca.01) (Al2.37 Li.33 Mn2+.25 Fe2+.04 Ti4+.01) Al6 (Si5.47 Al.28 B.25) O18 (BO3)3 [(OH)2.85 O.15] [O.86 (OH).10 F.04] Tourmaline
• Authors of publication: Ertl, A.; Rossman, G. R.; Hughes, J. M.; Prowatke, S.; Ludwig, T.
• Journal of publication: American Mineralogist
• Year of publication: 2005
• Journal volume: 90
• Pages of publication: 481 - 487
• a: 15.8031 Å
• b: 15.8031 Å
• c: 7.0877 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 1532.92 ų
• Number of distinct elements: 6
• 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