Citation: Mikhailov, M.A.; Rozhdestvenskaya, I.V.; Demina, T.V.; Matveeva, L.M.; Bannova, I.I. (2009). Structural features and isomorphous substitutions in chromium- and magnesium-containing beryls and chromium-containing beryllian indialite grown by the flux method. Kristallografiya, 54, pp. 231-238.
Formula: Al1.72 Be2.76 Cr0.2 K0.08 Mg0.32 O18 Si6
Chemical name:K0.08 (Al1.48 Mg0.32 Cr0.20) (Be2.76 Al0.24) Si6 O18