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Khmaralite, a new beryllium-bearing mineral related to sapphirine: A superstructure resulting from partial ordering of Be, Al, and Si on tetrahedral sites
Khmaralite beryllium-bearing mineral related to sapphirine superstructure resulting partial ordering Be Al Si tetrahedral sites
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2012/4/1
Khmaralite, Ca Mg Fe Fe Al Be B Si O , is a new mineral closely related to.04 5.46 14.26 1.43 0.02 4.80 400.12 1.87sapphirine from Khmara Bay, Enderby Land, Antarctica. It occurs in a pegmatite metamo...
Order-disorder process in the tetrahedral sites of albite
Order-disorder proces tetrahedral sites of albite
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2012/3/31
The crystal structure of albite from Stintino, Sardinia, Italy, was refined at different degrees of
disorder to determine the (Si-Al) order-disorder process. Eight X-ray structure refinements were
p...