'Gold' in the Bible

The sorrow comes in order that the testing of your faith--being more precious than that of gold, which perishes and yet is proved by fire--may be found to result in praise and glory and honour at the re-appearing of Jesus Christ.

knowing, as you do, that it was not with a ransom of perishable wealth, such as silver or gold, that you were set free from your frivolous habits of life which had been handed down to you from your forefathers,