Polka Dot Agate Stone Slab Rough Rock Cabbing Lapidary Oregon #O1

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Polka Dot Agate Rough Rock Stone Slab

This Polka Dot Agate rough rock slab is 6.4 inches long by 2.7 inches wide and it is extra thick at 11 mm thick. 

This unpolished stone slab weighs .46 lb and is shown wet in the first 2 pictures.

This material known as Polka Dot Agate comes from the Priday Agate Beds in central Oregon near Madras.

Agate is a chalcedony quartz that forms in concentric layers in a wide variety of colors and textures.

In this lovely variety the whitish/bluish chalcedony is riddled with hematite dots (polka dots!).