Created page with "Emery <ref name="term_72551" /> <p> A dull, blue-black mineral, allied in composition to the sapphire, but containing a varying quantity of iron oxide; is found in large mass..."
(Created page with "Emery <ref name="term_72551" /> <p> A dull, blue-black mineral, allied in composition to the sapphire, but containing a varying quantity of iron oxide; is found in large mass...")