AM_Reedmergnerite_6 Formula: Na B Si3 O8 Name: Reedmergnerite Unit cell: 7.7231 12.3038 6.7719 93.364 116.316 92.145 , V=574.36 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 = 1.89 GPa