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 Nesosilicates Nesosilicate 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

54.02 Nesosilicates Nesosilicate Borosilicates and Some Beryllosilicates with B in [4] coordination

54.02.01a Datolite group (Datolite series)

54.02.01a.01 Datolite CaBSiO4(OH) P 2₁/c 2/m

54.02.01a.02 Hingganite-(Ce) (Ce,Ca)2([ ],Fe)Be2Si2O8[(OH),O]2 P 2₁/a 2/m

54.02.01a.03 Hingganite-(Y) Y2([ ])Be2Si2O8(OH)2 P 2₁/a 2/m

54.02.01a.04 Hingganite-(Yb) (Yb,Y)2([ ])Be2Si2O8(OH)2 P 2₁/a 2/m

54.02.01a.05 Calcybeborosilite-(Y)! (REE,Ca)2[ ](B,Be)2(SiO4)2(OH,O)2 P 2₁/a 2/m

54.02.01b Datolite group (Homilite series)

54.02.01b.01 Bakerite Ca4B4(BO4)(SiO4)3(OH)3•(H2O) P 2₁/c 2/m

54.02.01b.02 Gadolinite-(Ce) (Ce,La,Nd,Y)2Fe++Be2Si2O10 P 2₁/c 2/m

54.02.01b.03 Gadolinite-(Y) Y2Fe++Be2Si2O10 P 2₁/a 2/m

54.02.01b.04 Calciogadolinite? CaREE(Fe+++)Be2Si2O10 P 2₁/a 2/m

54.02.01b.05 Homilite Ca2(Fe++,Mg)B2Si2O10 P 2₁/a 2/m

54.02.01b.06 Minasgeraisite-(Y) CaY2Be2Si2O10 P 2₁/a 2/m

54.02.02 Hellandite group

54.02.02.01 Hellandite-(Y) (Ca,REE)4(Y,Ce)2(Al,[ ])2[Si4B4O22](OH)2 P 2/a 2/m

54.02.02.02 Tadzhikite-(Y)! Ca4(Y,Ce)2(Ti,Al,Fe+++,[ ])2[Si4B4O22](OH)2 P 2/a 2/m

54.02.02.03 Tadzhikite-(Ce) Ca4(Ce,Y)2(Ti,Al,Fe+++,[ ])2[Si4B4O22](OH)2 P 2/a 2/m

54.02.02.04 Hellandite-(Ce)! (Ca3REE)4Ce2Al[ ]2[Si4 B4O22](OH)2 P 2/a 2/m

54.02.02.05 Mottanaite-(Ce)! Ca4(Ce,Ca)2AlBe2[Si4B4O22]O2 P 2/a 2/m

54.02.02.06 Ciprianiite! Ca4[(Th,U)(REE)]2(Al,[ ])2[Si4B4O22](OH,F)2 P 2/a 2/m

54.02.02.07 Piergorite-(Ce)! Ca8Ce2(Al0.5 Fe+++0.5)([ ],Li,Be)2Si6B8O36(OH,F)2 P 2/a 2/m

54.02.03 Cappellanite - Stillwellite group

54.02.03.01 Cappelenite-(Y) Ba(Y,Ce)6Si3B6O24F2 P 3 3

54.02.03.02 Stillwellite-(Ce) (Ce,La,Ca)BSiO5 P 3₁ 3

54.02.04 Howlite and related species

54.02.04.01 Garrelsite-VIII Ba3NaSi2B7O16(OH)4 C 2/c 2/m

54.02.04.02 Jadarite! LiNaB3SiO7(OH) P 2₁/n 2/m

54.02.04.03 Okanoganite-(Y) (Na,Ca)3(Y,Ce)12Si6B2O27F14 R 3m 3m

54.02.05 Tritomite group

54.02.05.01 Tritomite-(Ce) (Ce,La,Ca,Y,Th)5(Si,B)3(O,OH,F)13 P 6₃/m 6/m

54.02.05.02 Tritomite-(Y) (Y,Ca,La,Fe++)5(Si,B,Al)3(O,OH,F)13 (?) P 6₃/m 6/m

54.02.05.03 Melanocerite-(Ce) (Ce,Th,Ca)5(Si,B)3O12(OH,F)•n(H2O) (?) Unk (HEX-R) Trig

54.03 Nesosilicates Nesosilicate Borosilicates and Some Beryllosilicates

54.03.01 Vicanite Group

54.03.01.01 Vicanite-(Ce) (Ca,Ce,La,Th)15As+++++(As+++0.5,Na0.5)Fe+++Si6B4O40F7 R 3m 3m

54.03.01.02 Hundholmenite-(Y)! (Y,REE,Ca,Na)15(Al,Fe+++)CaxAs+++1-x(Si,As+++++)Si6B3(O,F)48 R 3m 3m

54.03.01.03 Proshchenkoite-(Y)! (Y,REE,Ca,Na,Mn)15Fe++Ca(P,Si)Si6B3(O,F)48 R 3m 3m