Gold Fact: Gold purity is measured in carat weight which comes from the 'carob seed' . . .

Isa Bullion - Gold Fact: Gold purity is measured in carat weight which comes from the 'carob seed' . . . the standard for weighing small quantities in the Middle East. (Carats were the fruit of the leguminous carob tree with every single pod of which weighs 1/5 of a gram, i.e., 200mg.)