Information card for entry 9003770

Structure parameters

• Mineral name: Makarochkinite
• Formula: Al0.54 Be0.9 Ca1.69 Fe5.19 Mg0.25 Mn0.1 Na0.21 Nb0.04 O20 Si4.49 Ta0.01 Ti0.59
• Calculated formula: Al0.54 Be0.9 Ca1.69 Fe5.19 Mg0.25 Mn0.1 Na0.21 Nb0.04 O20 Si4.49 Ta0.01 Ti0.59
• Title of publication: Makarochkinite, Ca2Fe2+4Fe3+TiSi4BeAlO20, a new beryllosilicate member of the aenigmatite-sapphirine-surinamite group from the Il'men Mountains (southern Urals), Russia Sample: 400shch6
• Authors of publication: Grew, E. S.; Barbier, J.; Britten, J.; Yates, M. G.; Polyakov, V. O.; Shcherbakova, E. P.; Halenius, U.; Shearer, C. K.
• Journal of publication: American Mineralogist
• Year of publication: 2005
• Journal volume: 90
• Pages of publication: 1402 - 1412
• a: 10.355 Å
• b: 10.751 Å
• c: 8.873 Å
• α: 105.757°
• β: 96.227°
• γ: 124.861°
• Cell volume: 735.302 ų
• Number of distinct elements: 12
• Space group number: 2
• Hermann-Mauguin space group symbol: P -1
• Hall space group symbol: -P 1
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No