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en.wikipedia.org/wiki/Refining_(metallurgy)

In metallurgy, refining consists of purifying an impure metal. It is to be distinguished from other ... One ancient process for extracting the silver from lead was cupellation. Lead was melted in a bone ash 'test' or 'cupel' and air blown across the ...

www.britannica.com/technology/silver-processing

Jan 28, 2015 ... Lead ores were smelted to obtain an impure lead-silver alloy, which was then fire refined by cupellation. The best-known of the ancient mines ...

www.hopefortheheart.org/july-2013-letter-from-june-on-trials

In both the Old and New Testaments, we find numerous references to the refining of gold and silver . . . as a parallel of God's refining us through painful trials.

.ask.com/youtube?q=How+Is+Silver+Refined%3F&v=_8QhipbbA3Q
Feb 21, 2013 ... Mr. Dean Marzofka shares a lesson with ILC College & Sem students on silver refinement and the spiritual insights that can be drawn from it.

biblehub.com/topical/r/refining.htm

The ancient process of refining gold has already been described under METALLURGY (which see). Most of the Bible references are to the refining of silver ...

www.madehow.com/Volume-3/Silver.html

Silver was one of the earliest metals known to humans, and it has been .... To extract silver from copper-containing ores, an electrolytic refining process is used.

www.therefinersfire.org/refiners_fire.htm

It was called "Refining Silver" and its meaning, though simple, was extremely powerful. In short, it is a quick lesson on how a silversmith refines silver - a lesson  ...

www.biblestudytools.com/encyclopedias/isbe/refiner-refining.html

The ancient process of refining gold has already been described under METALLURGY (which see). Most of the Bible references are to the refining of silver ...

www.montney.com/inspire/silver.htm

One of the women offered to find out about the process of refining silver and get back to the group at their next Bible study. That week this woman called up a ...

lindakruschke.wordpress.com/2010/02/24/refining-silver-and-gold

Feb 24, 2010 ... The silversmith and the goldsmith start their work with impure silver and gold ore. Through the refining process they extract and mold the pure ...