פירוש על עבודה זרה 47:2

At first the Talmud tries to solve this by stating that the words “onyx stones” which do not have a connective vav in front of them are separated and therefore not governed by the words, “And you shall take.” However, this fails because the words which follow do use the vav which reconnects them to the phrase “And you shall take.” So we are left with our difficulty—why is the interpretation of the verse not applied consistently.