2016
Refiner’s Fire and Fullers’ Soap
June 2016

“Refiner’s Fire and Fullers’ Soap,” New Era, June 2016, 6–7

Objects from the Scriptures

Refiner’s Fire and Fullers’ Soap

In comparing Himself to these two things, the Lord teaches us a lot about how He purifies us.

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Refiner’s Fire and Fuller’s Soap

A Refiner of Silver

  1. A refiner extracted silver from ores with lead (such as lead sulfide, or galena).

  2. He heated the ore in a fire and sifted the lead out of the ashes.

  3. He placed the lead in a dish known as a cupel, which was made of bone ash or clay containing calcium carbonate, and heated it in a furnace to 1,600–1,800˚F (900–1,000˚C).

  4. When the metal reached the right temperature, the refiner introduced oxygen by blowing air over it through a bellows.

  5. Litharge, or silver dross, would form on the surface of the molten metal, and the refiner would blow or scrape it off, leaving pure silver. Litharge was also absorbed into the cupel as the lead reacted with the calcium carbonate.

  6. A refiner would usually apply this process twice, reintroducing lead to the silver so that newly formed litharge could remove any remaining impurities.

The process was delicate, requiring just the right temperature and just the right amount of lead. The refiner would often know he had achieved pure silver by seeing its unmistakably pure glowing light.

A Fuller of Cloth

A fuller’s job was to cleanse and whiten cloth. In Jerusalem, the cleansing process took place in a fullers’ field outside the city because of the smell. Dirt and oils were removed from the wool so that it would be pure white and ready to be dyed, if desired.

Soap contained alkaline substances such as sodium carbonate or potassium carbonate (the word alkali comes from kali, the Arabic word for the saltwort or glasswort plant, whose ashes were used for soap). These chemicals remove oil (and the dirt that clings to it) by combining with the oil molecules to make them water soluble. For many centuries, the process for making soap was a closely guarded secret among select Jewish families.

With the cloth soaking in soap and water, the fullers beat or stamped it to remove the impurities (the Hebrew word for fuller comes from a root meaning “to tread”).

What We Can Learn

The Lord purifies us. Like clean, white cloth or brightly shining silver, the end product of our purification is something beautiful and valuable—a soul perfected in virtue and holiness. We can attain this state only with the Lord’s help and in His way.

The purification process can be harsh and difficult. The trials of this life are not only unavoidable but also necessary (see Dallin H. Oaks, Apr. 2016 general conference). We must be “willing to submit to all things which the Lord seeth fit to inflict upon [us]” (Mosiah 3:19) to become like Him.

The Lord is with us through our trials. The refiner of silver and the fuller of cloth could not set their processes in motion, walk away, and return later when it was finished. They had to be there at every stage and see it through to the end. Likewise, the Lord is not distant from us in our trials but is intimately engaged in our lives.