The phrase "wrought bone" is a unique way to describe something that has been shaped or formed out of bone. Some other synonyms that could be used in place of "wrought bone" include "carved bone," "sculpted bone," "engraved bone," and "molded bone." These phrases all convey a sense of artistry or craftsmanship in the creation of bone objects. Another option could be to use descriptive words to convey the texture or appearance of the bone, such as "smooth bone," "rough bone," "polished bone," or "aged bone." Whatever term is chosen, it should accurately reflect the process and result of shaping bone into a particular form.