Ilvaite. 



Anleiiiiite. 



Bertrandite. 



Calamine. 



Clinoliedrite. 



LawsoDite. 

 Carpliolite. 



Cerite. 



Tomnialine. 



Lithia touruialine. 

 M.aguesiiiiu tour- 



lualiue. 

 Iron tourmaline. 



Axiuite. 



CLASSIFICATION OF MINERALS. 



a roup 40. 



CaFe2(FeOH)(SiO^)2. 



Group 41. 



H.,Mn4Al^VSi40v,. 



(Iroiip 4:2. 



H(G10H)Gl;,(Si04).. 

 H(ZuOH)Zn.Si04. 

 H(Zn0H)CaSi04. 



Group 43. 



H.Ca(A10H),(Si04).2. 

 H,Mn(A10H)j(Si04)2. 



Group 44. 



HeCe(CeO),(Si04):, 

 Group 4f>. 



II«(Na,Li)4Al,6BsSi|.2063. 

 Hs(Mg,Na,),„Al,oB6Si,.2063. 



H«Na,Fe4AlMB4Si„06.,. 



Group 46. 



AlCa:,(A10H)(B0;,)Si40,,. 



Group 47. 



775 



Cappelinite. 3BaSiO;,.2Y:(Si03);i.5YBO:!. 



Melauocrite 12(H:,Ca)SiO,.3(Y,Ce)BO:,.2H,(Th,Ce)0.2F,. 



8(Ce,La,Di)0F. 

 Caryocerite. 6(H.2,Ca)8iO;i.2(Ce,Y)BO;!.3H.!(Ce,Th)0,F> 



2LaOF. 

 Steenstrupine. 

 Tritomite. 



Kornerupine. 

 Diimortierite. 

 Staurolite. 



Nordraarkite. 



Xantholite. 

 Znnyito. 



Sappbiriue. 



2(H.2,Na:,Ca)SiO:j.(Ce,La,Di,Y)BO:,. 

 H.:(Ce,Th)OiF,. 



Group 4S. 



Mg(A10)SiO,. 



A1.2(A10),i(Si04):„ 



Fe(Al,OH)(A10)4(Si04)2. 



Al,LAl(OH,Cl,F)2]6(SiO0:i. 



Orthorhombic. 



Ortborhombic. 



Ortborbombic. 

 Ortborbombic. 

 Monoclinic. 



Ortborbombic. 

 Monoclinic. 



Ortborbombic. 



Hexagonal; rbombo- 

 bedral. 



Triclinic 



Hexagonal. 

 Hexagonal ; rbombo- 



bedral. 

 Hexagonal ; rbombo- 



bedral. 



Hexagonal ; rbombo- 

 bedral. 



Ortborbombic. 

 Ortborbombic. 

 Ortborbombic. 



Isometric ; tetrabe- 

 dral. 



Grouj) 49. 

 Mg,Al,2Si..027. 



Monoclinic. 



