calcigenous

from The Century Dictionary.

• In chem., forming lime or calx: applied to the common metals, which with oxygen form a calx or earth-like substance.

from the GNU version of the Collaborative International Dictionary of English.

• adjective (Chem.) Tending to form, or to become, a calx or earthlike substance on being oxidized or burnt; as magnesium, calcium. etc.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• adjective That forms a calx when oxidized