Mina (unit)
From Open Encyclopedia
A mina (or also simply: mine) is an ancient Greek unit of weight defined as being 50 shekels. The mina, like the shekel, was also a unit of currency. In ancient Greece it was equal to 100 drachmae.
In ancient Sumerian times, a mana was a unit of weight: 1/60 talents and also 60 shekels. Since the Akkadian period, 2 mana was equal to 1 sila of water.
Note, that the word "mine", in the sens of land mine came from the form of this ancient weigth stone.
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References
Halloran, John, Sumerian Lexicon Version 3.0, http://www.sumerian.org/sumerlex.htmde:Mine (Münze) it:Mina (peso) fr:Mine (unité)


