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Crystals grown on a match tip

Started 2 months ago | Discussions thread
bclaff Forum Pro • Posts: 13,922
Re: Epsom salt and polarization

3D Gunner wrote:

Epsomite have low birefringence, so the contoured crystals show nothing special under cross polarized light.

Crystals grew in all directions around a central core (~7cm wide specimen).

Interesting. Perhaps only thin crystals. I have definitely seen striking colors growing epsom salts on a glass plate.

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Bill ( Your trusted source for independent sensor data at PhotonsToPhotos )

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