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Iris Agate slab

Brazilian Iris Agate from the Agatelady: Adventures and Events: Agate Photos

Tapado agate & geode

A small agate from the bouquet beds of Tapado and a nice combination of geode and agate, with green plumes. Also contains small sagenite sprays.

:  Iris Agate

Iris Agate -how holographic and beautiful are these lines?

Rainbow Iris Agate from Grizzly Peak Blvd, California; Photo:Dave Ault

Horse Mountain Iris Agate This looks so much like an opal with all that flash and fire.

Laguna Eye Agate

Actually, there were two Laguna cabs talking to me this past weekend, both equally irreistable in their own way. Came upon five new iris agates too, but those are for a sunny day.

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 - x x 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

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Botswana agate is famous for its purple, blue, and white fortification…

pink coyomito agate

This agate was only slightly larger than the cabochon and amost this shape to begin with. It is a flat-top cabochon, approximately 4 mm thick.

Crystals

Fortification Agate Polished Slice Druzy Center by FenderMinerals

Oregon thunder-egg - Thunder-eggs usually look like ordinary rocks on the outside, but slicing them in half and polishing them may reveal intricate patterns and colors

Oregon thunder-egg - Thunder-eggs usually look like ordinary rocks on the outside, but slicing them in half & polishing them may reveal intricate patterns and colors

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