9 Unclassified Strunz SILICATES (Germanates)
9.A Nesosilicates
9.AJ Nesosilicates with BO3 triangles and/or B[4], Be[4] tetrahedra,
9.AJ.20 Calcybeborosilite-(Y) (REE,Ca)2[ ](B,Be)2(SiO4)2(OH,O)2
Space Group P 21/a
Point Group 2/m
9.AJ.20 Datolite CaBSiO4(OH)
Space Group P 21/c
Point Group 2/m
9.AJ.20 Hingganite-(Yb) (Yb,Y)2([ ])Be2Si2O8(OH)2
Space Group P 21/a
Point Group 2/m
9.AJ.20 Hingganite-(Ce) (Ce,Ca)2([ ],Fe)Be2Si2O8[(OH),O]2
Space Group P 21/a
Point Group 2/m
9.AJ.20 Hingganite-(Y) Y2([ ])Be2Si2O8(OH)2
Space Group P 21/a
Point Group 2/m
9.AJ.20 Bakerite Ca4B4(BO4)(SiO4)3(OH)3•(H2O)
Space Group P 21/c
Point Group 2/m
9.AJ.20 Calciogadolinite? CaREE(Fe+++)Be2Si2O10
Space Group P 21/a
Point Group 2/m
9.AJ.20 Homilite Ca2(Fe++,Mg)B2Si2O10
Space Group P 21/a
Point Group 2/m
9.AJ.20 Gadolinite-(Ce) (Ce,La,Nd,Y)2Fe++Be2Si2O10
Space Group P 21/c
Point Group 2/m
9.AJ.20 Gadolinite-(Y) Y2Fe++Be2Si2O10
Space Group P 21/a
Point Group 2/m
9.AJ.20 Minasgeraisite-(Y) CaY2Be2Si2O10
Space Group P 21/a
Point Group 2/m
9.AJ.20 Melanocerite-(Ce) (Ce,Th,Ca)5(Si,B)3O12(OH,F)•n(H2O) (?)
Space Group Unk (HEX-R)
Point Group Trig