Convert from momme [Japan] to rebah

Unit Definition (momme [Japan])
The momme [Japan] is a traditional Japanese weight unit corresponding to the Chinese mace. Jewelers continue to use the momme to measure the weight of cultured pearls; for this purpose it equals exactly 3.75 grams (about 0.132 ounce) or 18.75 carats. The unit is commonly pronounced "mommy" in English.

Unit Definition (rebah)
The rebah is an ancient Hebrew unit of weight or mass equal to 1/4 shekel. The word means "quarter" in Hebrew.