Mineral Deterioration: Light, Humidity

Uploaded on Jan 15, 2016 / 26 views / 35 impressions / 0 comments

museumofnature

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In the first segment, realgar crumbles upon exposure to light. (This clip was recorded upside-down to get the best angle).

In the second segment, tachyhydrite dissolves in high humidity.

Canadian Museum of Nature— http://nature.ca

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