Diving into the clay - More focus on metals, thanks to alchymista: Zinc...

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Kelly Kessler

A blog of discovering clay. A chance to explore the philosophy and practicalities of twenty-first century pots. A collection of leads for my students and myself.



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Olive oil jug, 2011 - Kelly Kessler

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Flower frog vase, 2011 - Kelly Kessler

Detail, olive oil jug, 2011 - Kelly Kessler

Olive oil jug, "Blossom", 2011 - Kelly Kessler

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More focus on metals, thanks to alchymista: Zinc is a much used element in ceramics. It’s often grouped with tin and zirconium as a glaze modifier. It will mute iron and chrome colors, inhibit copper red and amplify cobalt blues and copper greens. It’s also used for eyepopping crystalline glazes, where massive crystals are formed on the surface of a glaze by controlling the cooling of the kiln post-firing. alchymista: Day 30: Interesting Facts About ZincAtomic Symbol: Zn; Atomic Number: 30; Atomic Mass: 65.38 Zinc is a useful element in modern day and throughout history, as use has been traced back over 2500 years. The earliest documented use was in ancient ornaments and decorations found in eastern countries. Alchemists also produced zinc oxide, which they called “philosophers wool.” Zinc is only produced in nuclear fusion reactions within supernovas. When these massive stars reach the end of their life, they can explode and erupt their contents into space, which acts as the primary source of most heavy elements in the universe. Zinc is another essential element for your body, as zinc deficiency was officially recognized as a clinical health problem in 1961. According to the International Zinc Association, zinc is critical to proper cellular growth and mitosis, fertility, immune system function, taste and smell, healthy skin and vision. It is also very useful in many industries, including electrical, hardware, automotive, cosmetics, rubber, plastic, batteries, and also in the pharmaceutical industry. Image: Zinc sample.

More focus on metals, thanks to alchymista:

Zinc is a much used element in ceramics. It’s often grouped with tin and zirconium as a glaze modifier. It will mute iron and chrome colors, inhibit copper red and amplify cobalt blues and copper greens. It’s also used for eyepopping crystalline glazes, where massive crystals are formed on the surface of a glaze by controlling the cooling of the kiln post-firing.

alchymista:

Day 30: Interesting Facts About Zinc
Atomic Symbol: Zn; Atomic Number: 30; Atomic Mass: 65.38

  1. Zinc is a useful element in modern day and throughout history, as use has been traced back over 2500 years. The earliest documented use was in ancient ornaments and decorations found in eastern countries. Alchemists also produced zinc oxide, which they called “philosophers wool.”
  2. Zinc is only produced in nuclear fusion reactions within supernovas. When these massive stars reach the end of their life, they can explode and erupt their contents into space, which acts as the primary source of most heavy elements in the universe.
  3. Zinc is another essential element for your body, as zinc deficiency was officially recognized as a clinical health problem in 1961. According to the International Zinc Association, zinc is critical to proper cellular growth and mitosis, fertility, immune system function, taste and smell, healthy skin and vision.
  4. It is also very useful in many industries, including electrical, hardware, automotive, cosmetics, rubber, plastic, batteries, and also in the pharmaceutical industry.

Image: Zinc sample.

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