Citation: Sharma, A.; Jenkins, D. M. (1999). Hydrothermal synthesis of amphiboles along the tremolite-pargasite join and in the ternary system tremolite-pargasite-cummingtonite Sample: PARG 21-2. American Mineralogist, 84, pp. 1304-1318.
Formula: Al1.2 Ca1.68 Mg4.92 Na0.43 O24 Si7.2
List type: interleaving
List: 1D
Basis: (0;0;1)
Dimensionality: 1
Formula: Al13 Ca2 Mg7 O24 Si8 (Al13 Ca2 Mg7 O24 Si8)
Multiplicity: 1