mina

What then of the actual fine of thirty minae Socrates proposes? Thirty minae was a large sum, “the equivalent of approximately eight-and-one-half years′ wages," according to one recent estimate (Brickhouse and Smith 1988, 227); enough to buy a library of three thousand philosophy books, if the price of Anaxogoras′ book is any guide (26d6-e2).

Thirty minas of lapis lazuli in a solid block, two minas each their rims, six kor of oil, the capacity of both.