Home > Dana System



Dana Classification System

Tectosilicates

Mineral Formula Classification
75.  -  Si tetrahedral frameworks
 
Quartz SiO2 75.1.3.1
Opal SiO2 · nH2O 75.2.1.1
76.  -  Al - Si frameworks
76.1.1/ - Feldspar group, alkali feldspar subgroup
Orthoclase KAlSi3O8 76.1.1.1
Sanidine (K,Na)AlSi3O8 76.1.1.2
Microcline KAlSi3O8 76.1.1.5
Anorthoclase (Na,K)AlSi3O8 76.1.1.6
76.1.3/ - Feldspar group, plagioclase subgroup
Albite NaAlSi3O8 76.1.3.1
Oligoclase NaAlSi3O8 76.1.3.2
Andesine NaAlSi3O8 76.1.3.3
76.2.1/ - Nepheline group
Nepheline (Na,K)AlSiO4 76.2.1.2
76.2.3/ - Sodalite group
Sodalite Na4(Al3Si3O12)Cl 76.2.3.1
76.2.3/ - Sodalite group, sodalite related minerals
Tugtupite Na4(BeAlSi4O12)Cl 76.2.3.7
 
Helvite Mn4Be3(SiO4)3S 76.2.4.1
Genthelvite Zn4Be3(SiO4)3S 76.2.4.3
76.2.5/ - Cancrinite group
Cancrinite Na6Ca2Al6Si6O24(CO3)2 · 2 H2O 76.2.5.3
Cancrisilite Na7Al5Si7O24(CO3)2 · 3 H2O 76.2.5.4
 
Meionite Ca4Al6Si6O24(CO3,SO4) 76.3.1.2
Ussingite Na2AlSi3O8(OH) 76.3.3.1
 
Malinkoite NaBSiO4 76.4.2.1



Dana System Classes

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60
61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 U W