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Evidence for monazite-, barite-, and AgMnO4 (distorted barite)-type structures of CaSO4 at high pressure and temperature

โœ Scribed by Crichton, W. A.


Book ID
119992203
Publisher
Mineralogical Society of America
Year
2005
Tongue
English
Weight
284 KB
Volume
90
Category
Article
ISSN
0003-004X

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Evidence for monazite-, barite-, and AgM
โœ Crichton, W. A. ๐Ÿ“‚ Article ๐Ÿ“… 2005 ๐Ÿ› Mineralogical Society of America ๐ŸŒ English โš– 284 KB

Using laser-heated diamond-anvil cells, we have observed CaSO 4 undergoing phase transitions from its ambient anhydrite structure to the monazite type, and at highest pressure and temperature to crystallize in the barite-type structure. On cooling, the barite structure distorts from an orthorhombic