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Iris Agate slab

Iris Agate slab

Iris Agate | ©Chip Clark/Mineral Gallery, Smithsonian Institution Bozeman, Montana, US.

Iris Agate | ©Chip Clark/Mineral Gallery, Smithsonian Institution Bozeman, Montana, US.

Baker Ranch Thunderegg Iris Agate

Baker Ranch Thunderegg Iris Agate

Iris agate ~ photographer Warren Krupshaw, who has an *awesome* gallery of minerals #beauty #photography #macro

Iris agate ~ photographer Warren Krupshaw, who has an *awesome* gallery of minerals #beauty #photography #macro

beautiful pastel iris agate found in Tennessee

beautiful pastel iris agate found in Tennessee

An enlarged view of the iris agate specimen with backlighting. This view is at a slightly different angle than the other backlighted view also pinned. It demonstrates that the spectral colors change with the angle of incident light and observation.

An enlarged view of the iris agate specimen with backlighting. This view is at a slightly different angle than the other backlighted view also pinned. It demonstrates that the spectral colors change with the angle of incident light and observation.

Agate - Iris Agate, Minas Gerais, Brazil

Agate - Iris Agate, Minas Gerais, Brazil

Iris Agate - Brazil - 8.6 x 3.6 x .15 cm - finely banded agate, its nickname from the beautiful rainbow effect produced by an optical phenomenon known as diffraction when viewed in transmitted light. Photos are of slightly different angles of backlighting of the same slice of agate. Demonstrating, spectral colors change with the angle of incident light and observation.

Iris Agate - Brazil - 8.6 x 3.6 x .15 cm - finely banded agate, its nickname from the beautiful rainbow effect produced by an optical phenomenon known as diffraction when viewed in transmitted light. Photos are of slightly different angles of backlighting of the same slice of agate. Demonstrating, spectral colors change with the angle of incident light and observation.

Outlook.com - elisamiura@hotmail.com

Outlook.com - elisamiura@hotmail.com

montana agate <3 this stuff!

montana agate <3 this stuff!

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