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Single crystal growth of wadsleyite
-
Anton Shatskiy
,
Konstantin D. Litasov
Published/Copyright:
April 1, 2015
Abstract
We have synthesized large (0.7-1.0 mm) crystals of anhydrous, water-bearing, and Fe-bearing wadsleyite by means of growth from solution in the thermal gradient field. Nearly anhydrous (<68±4 wt ppm H2O) Mg2SiO4 crystals were grown using K2Mg(CO3)2 as a solvent at 16.5 GPa and 1700 °C. (Mg0.92Fe0.08)2SiO4 crystals containing 84±17 wt ppm H2O were grown using 92K2Mg(CO3)2-8FeCl2 as a solvent. Crystals of Fe-free wadsleyite with 1496±117 wt ppm H2O were synthesized at 1400 °C and 15.5 GPa by using 2KHCO3-Mg(OH)2 as a solvent.
Received: 2008-11-16
Accepted: 2009-5-1
Published Online: 2015-4-1
Published in Print: 2009-8-1
© 2015 by Walter de Gruyter Berlin/Boston
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Keywords for this article
Mg2SiO4;
wadsleyite;
single crystal growth;
high pressure;
thermal gradient method
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