raja-sarshapa

In India, at least by the 2nd century bce – ?, a unit of mass, about 2.1 milligrams. In concept it is the mass of a black mustard seed (Brassica nigra). From Manusmṛti, and other law books: opens a new page containing a chart that shows relationships between this unit and other units in its system.  From the Mānava-Dharmásāstra opens a new page containing a chart that shows relationships between this unit and other units in its system.

black mustard seeds

Photo courtesy Sanjay Acharya.

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Last revised: 28 May 2012.