universityproblems: Cs-rich Lepidolite Barra de Salinas district, Barra do Salinas, Coronel Murta, Jequitinhonha Valley, Minas Gerais, Brazil Fun Fact: The oil-spill pattern you see there is actually an example of Newton’s rings and show that the layers of the crystal have separated very slightly, but enough to let air or other fluid in. Lepidolite is a variety of mica and does the thing where it peels off into very thin sheets.

universityproblems:

Cs-rich Lepidolite

Barra de Salinas district, Barra do Salinas, Coronel Murta, Jequitinhonha Valley, Minas Gerais, Brazil

Fun Fact: The oil-spill pattern you see there is actually an example of Newton’s rings and show that the layers of the crystal have separated very slightly, but enough to let air or other fluid in. Lepidolite is a variety of mica and does the thing where it peels off into very thin sheets.