The Science in the Bible

Entry 25 · Section 3: Make

Refining Gold and Silver

A refiner sits by the furnace and watches for the visible moment when unwanted material separates from precious metal.

Scripture: Prov 17:3; Mal 3:2–3; Ex 32:20

ChemistryMetallurgy

Illustrative reconstruction of an ancient refiner watching a crucible and furnace. Tools and materials are representative; gold and silver did not necessarily use identical processes.
Illustrative reconstruction of an ancient refiner watching a crucible and furnace. Tools and materials are representative; gold and silver did not necessarily use identical processes.

The question

What can heat and cupellation remove from silver and gold, and what remains beyond fire alone?

Why it matters

The refiner must know both what fire removes and what it cannot remove.

Suggest a correction or new direction
About this preview: This page introduces the scene and question. It intentionally omits the entry's complete calculation, tables, sensitivity cases, and conclusion.