The mina in Biblical Hebrew is a unit of weight and currency that is smaller than a talent. The weight of a mina could vary depending on the region and time period, but it was generally around 1.25 pounds (approximately 0.57 kilograms).
Grain: The grain is a unit of mass primarily used for measuring the weight of small objects or quantities, especially in the context of bullets, ammunition, and some food products. One grain is approximately equal to 0.0648 grams.