Bertrandite Structure Data

Bertrandite Structure Data
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Bertrandite

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Bertrandite_3
Formula: Be4 Si2 O9 H2
Name: Bertrandite
Unit cell: 8.587 14.912 4.5901 90.0 90.0 90.0 , V=587.76
Space group: CMC21 (36)

Hazen R M , Au A Y , Physics and Chemistry of Minerals , 13 (1986) p.69-78, High-pressure crystal chemistry of phenakite (Be2SiO4), and bertrandite (Be4Si2O7(OH)2), Sample: P = 41 kbar, Note: y-coordinate of O3 altered

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