Proverbs 25:4
Purge the dross from the silver, and material for a vessel comes forth for the silversmith.
Proverbs 17:3
The crucible is for silver and the furnace for gold but the LORD assays hearts.
Isaiah 1:25-27
When I turn my attention to you, I'll refine your dross as in a furnace. I'll remove all your alloy.
2 Timothy 2:20-21
In a large house there are not only utensils made of gold and silver, but also those made of wood and clay. Some are for special use, while others are for ordinary use.
Ezekiel 22:18
"Son of Man, Israel has become like dross to me. All of them are like remnants of bronze, tin, iron, and lead in a furnace the dross left over from smelting silver.
Malachi 3:2-3
But who will survive the day when he comes? Or who can stand when he appears? Because he's like a refiner's fire and a launderer's soap,
1 Peter 1:7
so that your genuine faith, which is more valuable than gold that perishes when tested by fire, may result in praise, glory, and honor when Jesus, the Messiah, is revealed.