Dana Nesosilicate Classification
Borosilicates and Some Beryllosilicates

Minerals Arranged by the New Dana Classification

This arrangement of mineral species is based on Dana's New Mineralogy by Richard V. Gaines, H. Catherine Skinner, Eugene E. Foord, Brian Mason, and Abraham Rosenzweig, with sections by Vandall T. King, Illustrations by Eric Dowty, (ISBN: 047119310-0) Copyright © 1997, John Wiley & Sons, Inc.".  This material is used by permission of John Wiley & Sons, Inc. Follow this link for a short discussion on the Dana Classification Number.

Dana Nesosilicate Classification
Borosilicates and Some Beryllosilicates

54.01 Nesosilicates Nesosilicate Borosilicates and Some Beryllosilicates with (BO3)

54.01.01 Grandidierite Group

54.01.01.01 Grandidierite (Mg,Fe++)Al3(BO4)(SiO4)O Pbnm 2/m 2/m 2/m

54.01.01.02 Ominelite! (Fe++,Mg)Al3BSiO9 Pbnm 2/m 2/m 2/m

54.01.02 Dumortierite group

54.01.02.01 Dumortierite Al6.5-7(BO3)(SiO4)3(O,OH)3 Pcmn 2/m 2/m 2/m

54.01.02.02 Magnesiodumortierite (Mg,Ti,[ ])<1(Al,Mg)2Al4Si3O18-y(OH)yB y=2-3 Pmcn 2/m 2/m 2/m

54.01.03

54.01.03.01 Holtite Al6(Al,Ta)(BO3)[(SiO4,SbO4,AsO4)]3(O,OH)3 P nma 2/m 2/m 2/m