AM_Reedmergnerite_5 Formula: Na B Si3 O8 Name: Reedmergnerite Unit cell: 7.7852 12.3419 6.7917 93.332 116.347 92.094 , V=582.38 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 = 0.88 GPa