19. The topaz of Ethiopia shall not equal it, neither shall it be valued with pure GOLD.
24. If I have made GOLD my hope, or have said to the fine GOLD, Thou art my confidence;
19. My fruit is better than GOLD, yea, than fine GOLD; and my revenue than choice silver.
3. The fining pot is for silver, and the furnace for GOLD: but the LORD trieth the hearts.
21. As the fining pot for silver, and the furnace for GOLD; so is a man to his praise.
9. And I will bring the third part through the fire, and will refine them as silver is refined, and will try them as GOLD is tried: they shall call on my name, and I will hear them: I will say, It is my people: and they shall say, The LORD is my God.
3. And he shall sit as a refiner and purifier of silver: and he shall purify the sons of Levi, and purge them as GOLD and silver, that they may offer unto the LORD an offering in righteousness.
GOLD-Refined GOLD in Naves Topical Bible (Bible History Online)