®TP6¯®PT6¯®RM75¯
"   A        B     C             T     O23  "
"   (A)0-1 (M4)2 M1,M2,M3)5 (T1)4 (T2)4  "

"   A | B |   C   | T     |                "
"      Ca2 Mg5         Si8 O23 = tremolite"
"      Ca2 Mg4 Al  Al  Si7 O23 = alumino-magnesio-hornblende
" K,Na Ca2 Mg5 Al      Si7 O23 = edenite
"      Ca2 Mg3 Al2 Al2 Si6 O23 = alumino-tschermakite"
" K,Na Ca2 Mg4 Al  Al2 Si6 O23 = pargasite"
" K,Na Ca2 Fe4 Fc  Al2 Si6 O23 = hastingsite"
" K,Na Ca2 Mg3 Ti  Al  Si7 O23 = Ti-component"
"    Na2Ca Mg5         Si8 O23 = richterite"
"      Na2 Mg3 Al2     Si8 O23 = glaucophane"
"Richterite = (2-Ca)/2 ; Ti-amph = Ti;"
"where Mg = Mg + Fe
" charge balance: 46=4(Si+Ti)+3(Al+Fc+Cr)+2(Fe+Mg+Mn+Ca)+Na+K"
"Program inputs amph oxides and normalizes the data to 23 O (46 +charge) and 13 cations in the C and T groups; In Ti component C and T total 12;. therefore data should be normalized to 13 - Ti.  This would however increase Fe3+ to higher values"
®PG¯
a)
  Tremolite          Anorthite      Pyrope
Ca®MDSD¯2®MDNM¯Mg®MDSD¯5®MDNM¯Si®MDSD¯8®MDNM¯O®MDSD¯22®MDNM¯(OH)®MDSD¯2®MDNM¯ + CaAl®MDSD¯2®MDNM¯Si®MDSD¯2®MDNM¯O®MDSD¯8®MDNM¯ ®MDSD¯®MDNM¯®MDNM¯+ Mg®MDSD¯3®MDNM¯Al®MDSD¯2®MDNM¯Si®MDSD¯3®MDNM¯O®MDSD¯12®MDNM¯®MDNM¯®MDNM¯®MDNM¯ =

         Hornblende            Garnet           Cummingtonite
    Ca®MDSD¯2®MDNM¯Mg®MDSD¯4®MDNM¯Al®MDSD¯2®MDNM¯Si®MDSD¯7®MDNM¯O®MDSD¯22®MDNM¯(OH)®MDSD¯2®MDNM¯ + CaMg®MDSD¯2®MDNM¯Al®MDSD¯2®MDNM¯Si®MDSD¯3®MDNM¯O®MDSD¯12®MDNM¯ + 2/7 Mg®MDSD¯7®MDNM¯Si®MDSD¯8®MDNM¯O®MDSD¯22®MDNM¯(OH)®MDSD¯2®MDNM¯ + 5/7 SiO®MDSD¯2®MDNM¯

b)
  Tremolite          Albite          Edenite
Ca®MDSD¯2®MDNM¯Mg®MDSD¯5®MDNM¯Si®MDSD¯8®MDNM¯O®MDSD¯22®MDNM¯(OH)®MDSD¯2®MDNM¯ + NaAlSi®MDSD¯3®MDNM¯O®MDSD¯8®MDNM¯ = NaCa®MDSD¯2®MDNM¯Mg®MDSD¯5®MDNM¯AlSi®MDSD¯7®MDNM¯O®MDSD¯22®MDNM¯(OH)®MDSD¯2®MDNM¯ + 4 SiO®MDSD¯2®MDNM¯

c)
  Tremolite            Albite         Pyrope
Ca®MDSD¯2®MDNM¯Mg®MDSD¯5®MDNM¯Si®MDSD¯8®MDNM¯O®MDSD¯22®MDNM¯(OH)®MDSD¯2®MDNM¯ + 2 NaAlSi®MDSD¯3®MDNM¯O®MDSD¯8®MDNM¯ + 2 Mg®MDSD¯3®MDNM¯Al®MDSD¯2®MDNM¯Si®MDSD¯3®MDNM¯O®MDSD¯12®MDNM¯ ®MDSD¯®MDNM¯=

         Glaucophane            Garnet            Cummingtonite
    Na®MDSD¯2®MDNM¯Mg®MDSD¯3®MDNM¯Al®MDSD¯2®MDNM¯Si®MDSD¯8®MDNM¯O®MDSD¯22®MDNM¯(OH)®MDSD¯2®MDNM¯ + 2 CaMg®MDSD¯2®MDNM¯Al®MDSD¯2®MDNM¯Si®MDSD¯3®MDNM¯O®MDSD¯12®MDNM¯ + 4/7 Mg®MDSD¯7®MDNM¯Si®MDSD¯8®MDNM¯O®MDSD¯22®MDNM¯(OH)®MDSD¯2®MDNM¯ + 1 3/7 SiO®MDSD¯2®MDNM¯

d)
 Anorthite       glaucophane           Garnet            Cummingtonite
CaAl®MDSD¯2®MDNM¯Si®MDSD¯2®MDNM¯O®MDSD¯8®MDNM¯ + Na®MDSD¯2®MDNM¯Mg®MDSD¯3®MDNM¯Al®MDSD¯2®MDNM¯Si®MDSD¯8®MDNM¯O®MDSD¯22®MDNM¯(OH)®MDSD¯2®MDNM¯ + CaMg®MDSD¯2®MDNM¯Al®MDSD¯2®MDNM¯Si®MDSD¯3®MDNM¯O®MDSD¯12®MDNM¯ + 2/7 Mg®MDSD¯7®MDNM¯Si®MDSD¯8®MDNM¯O®MDSD¯22®MDNM¯(OH)®MDSD¯2®MDNM¯ + 5/7úSiO®MDSD¯2®MDNM¯ =

             Albite       Pyrope           Hornblende
         2 NaAlSi®MDSD¯3®MDNM¯O®MDSD¯8®MDNM¯ + Mg®MDSD¯3®MDNM¯Al®MDSD¯2®MDNM¯Si®MDSD¯3®MDNM¯O®MDSD¯12®MDNM¯ + Ca®MDSD¯2®MDNM¯Mg®MDSD¯4®MDNM¯Al®MDSD¯2®MDNM¯Si®MDSD¯7®MDNM¯O®MDSD¯22®MDNM¯(OH)®MDSD¯2®MDNM¯
 

e) 
  Tremolite             glaucophane           Anorthite      Garnet            
2 Ca®MDSD¯2®MDNM¯Mg®MDSD¯5®MDNM¯Si®MDSD¯8®MDNM¯O®MDSD¯22®MDNM¯(OH)®MDSD¯2®MDNM¯ + Na®MDSD¯2®MDNM¯Mg®MDSD¯3®MDNM¯Al®MDSD¯2®MDNM¯Si®MDSD¯8®MDNM¯O®MDSD¯22®MDNM¯(OH)®MDSD¯2®MDNM¯ + CaAl®MDSD¯2®MDNM¯Si®MDSD¯2®MDNM¯O®MDSD¯8®MDNM¯ + CaMg®MDSD¯2®MDNM¯Al®MDSD¯2®MDNM¯Si®MDSD¯3®MDNM¯O®MDSD¯12®MDNM¯
Cummingtonite
+ 2/7 Mg®MDSD¯7®MDNM¯Si®MDSD¯8®MDNM¯O®MDSD¯22®MDNM¯(OH)®MDSD¯2®MDNM¯ =

        Edenite               Hornblende             Pyrope
   2 NaCa®MDSD¯2®MDNM¯Mg®MDSD¯5®MDNM¯AlSi®MDSD¯7®MDNM¯O®MDSD¯22®MDNM¯(OH)®MDSD¯2®MDNM¯ + Ca®MDSD¯2®MDNM¯Mg®MDSD¯4®MDNM¯Al®MDSD¯2®MDNM¯Si®MDSD¯7®MDNM¯O®MDSD¯22®MDNM¯(OH)®MDSD¯2®MDNM¯ + Mg®MDSD¯3®MDNM¯Al®MDSD¯2®MDNM¯Si®MDSD¯3®MDNM¯O®MDSD¯12®MDNM¯ + 7 2/7 SiO®MDSD¯2®MDNM¯