Yellowish brown amber is a harsh yellowish brown substance used in making jewelry amber necklace there was no light on in the room directly above it, but amber glowed from the dark room entrance. • Honey amber, copper amber, apricot amber. Britain may also have been the commercial source for the small amount of amber found on the island of Crete. • Amber was once polished to make a pendant as a centerpiece. Discover the manufacture of amber as jewelry, perfume and medicine