Published and refined lattice parameters for vaterite and calcite phases.
|Vaterite – Space group: P63/mmc|
|Capillary||a′ (Å)||c′ (Å)||Wt %|
|Sapphire||Refined||4.1226 (1)||8.4653 (3)||65.5(4)|
|Quartz||Refined||4.1227 (4)||8.462 (1)||50.2(4)|
|Calcite – Space group: R-3c|
|Capillary||a (Å)||c (Å)||Wt %|
|Sapphire||Refined||4.9869 (1)||17.0492 (4)||34.4(4)|
|Quartz||Refined||4.9844 (4)||17.058 (1)||49.7(4)|
Notes.Published values obtained from the ICSD database. Error values stated are for the final figures. Values given are from samples at room temperature and initial formation pressure; 6 bar for sapphire, 20 bar for quartz.
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