cred1trix

[Lat.] The same as CRED I TRESS (q. v.). cred-ner-ite, s. [Named after the mineralogist Credner, who analyzed it.] Min.: A foliated crystalline monoclinic mineral, of metallic luster and iron-black to steel-gray color. Its hardne is 45; its specific gravity, 49-5'1; its composition, oxide of copper 42.9 and oxide of manganese 57-1=100. Found at Frederichsrode. ( Dana . )