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The 27 Most Impressive Chemical Reactions

Ammonium dichromate looks pretty cool when you burn it: | The 27 Most Impressive Chemical Reactions

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from About.com Education

See Pictures of Different Types of Crystals

Potassium dichromate crystals occur naturally as the rare mineral lopezite.

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from Alpenglow Yarn

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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Potassium dichromate with small addition of Vitamin C to modify crystal growth | Ascorbic acid | Nikon’s Small World

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from About.com Education

How To Grow Naturally Orange Crystals

Potassium dichromate crystals occur naturally as the rare mineral lopezite.