In Iran globe icon, ? – 20ᵗʰ century¹, a unit of mass, approximately 185.6 milligrams (approximately 2.864 grains).

According to Bruno Kisch, a 19ᵗʰ century Persian unit called the abas, used for pearls, had a value of approximately 175 milligrams. Halil İnalcık notes (page 317) that in the 14ᵗʰ century a unit for pearls called the ḥabba is recorded in the Mukātebāt-i Rasīdī, the Resālä-ye Faläkiyyä, or both.

1. United Nations, 1966.


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