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See Pictures of Different Types of Crystals

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Gary Holt Porcelain with water-soluble metals salts Lovely light-hearted colors! Love it!

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Polychrome glass cup, Period: Egypt, New Kingdom, Dynasty 18. 1370–1335 BC. Egypt, Middle Egypt, El-Amarna [Akhetaten]

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Mordants and Natural Dyeing, The Great Debate

I've thought about writing this post for a while. This topic, more than anything else in natural dyeing, brings up emotion and occasional controversy. My goal with this post is to present some fact...

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One of my own gum bichromate prints. This is a true photographic process that uses a gum bichromate mixture on watercolor paper and negative. None of this is photoshopped.

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Boiron Kali Bichromicum (Potassium dichromate) 30C sinus infection

Potassium dichromate ACS reagent, ≥99.0% _ Potassium dichromate is a red-orange colored solid. Its crystals belong to the triclinic crystal system. On heating above 600°C, it decomposes to give oxygen, potassium chromate and chromium(III) oxide. It acts as a strong oxidizing agent in acidic media. It can be synthesized by the fusion of chromium(III) oxide with potassium carbonate and nitrate or oxygen.

Wide-top Vase, with cobalt chloride and potassium dichromate applied, saggar-fired, approx 14" tall

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