January 22, 1854

in Thoreau’s Journal:

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Once or twice of late I have seen the mother-of-pearl tints and rainbow flecks in the western sky. The usual time is when the air is clear and pretty cool, about an hour before sunset.

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Yesterday I saw a very permanent specimen, like a long knife handle of mother-of-pearl, very pale with and interior blue, and rosaceous tinges. I think the summer sky never exhibits this so finely.

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No second snow-storm in the winter can be so fair and interesting as the first.