Ezekiel 22:20

22:20 [As] they gather silver, and brass, and iron, and lead, and tin, into the midst of the furnace, to blow the fire upon it, to melt [it]; so will I gather [you] in mine anger and in my fury, and I will leave [you there], and melt you.

Isaiah 48:4

48:4 Because I knew that thou [art] obstinate, and thy neck [is] an iron sinew, and thy brow brass;

Lamentations 4:1-2

4:1 How is the gold become dim! [how] is the most fine gold changed! the stones of the sanctuary are poured out in the top of every street. 4:2 The precious sons of Zion, comparable to fine gold, how are they esteemed as earthen pitchers, the work of the hands of the potter!