EDIT Za is the 6th letter of armenian alphabet. Its form undergoes considerable transformation. The oldest form gradually changes and drops below the line in the minuscule. A series of intermediate forms are created between the uncial and the minuscule. The minuscule undergoes simplification. In modern typography the both of forms with open-topped and closed head are used.

Za/[zɑ] is pronounced as [z].
The numerical Value of Za is 6.


Source:
Album of Armenian Paleography
Michael E. Stone, Dickran Kouymijan, Henning Lehmann
Aarhus University Press 2002

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