Brazilian Piranha Agate Stone Slab Lapidary Rough Rock #O5

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Brazilian Piranha Agate Unpolished Stone Slab

This lovely polished stone slab of Piranha Agate is 5.2 inches by 3.9 inches and 5.3 mm thick.

This translucent banded agate lapidary slab weighs .28 lbs. and is shown wet in the first 4 pictures.

It has a small natural crystal pocket.

Piranha Agate comes from the State of Parana, near Guarapuava, Brazil and appears to be closely related to what is generally called Brazilian Agate. The name is believed to be a misspelling of its location.

No gemstone is more creatively striped by nature than agate, chalcedony quartz that forms in concentric layers in a wide variety of colors and textures. Each individual agate forms by filling a cavity in host rock. As a result, agate often is found as a round nodule, with concentric bands like the rings of a tree trunk.

The bands sometimes look like eyes, sometimes fanciful scallops, or even a landscape with dendrite trees.