AM_Reedmergnerite_7 Formula: Na B Si3 O8 Name: Reedmergnerite Unit cell: 7.6589 12.2675 6.7512 93.374 116.256 92.222 , V=566.39 Space group: C-1 (2)

Downs R T , Yang H , Hazen R M , Finger L W , Prewitt C T , American Mineralogist , 84 (1999) p.333-340, Compressibility mechanisms of alkali feldspars: New data from reedmergnerite, Sample from Joseph Smith #1 mine, Duchesne Co., Utah, NMNH 140, P = 3.00 GPa