Amethyst Plates, B Grade, per lb Merkabahs white and red agate

white and red agate

The stones in the lot are about 1" in size

This material has not been heat treated

Pieces in the lot range from 1"- 3"

43mm x 40mm

Amethyst Plates, B Grade, per lb Merkabahs white and red agateSmall Amethyst Plates from Uruguay. These flats are "B" grade Amethyst with coloring ranging from light to deep purple. The shapes and sizes vary, and pieces range from about 0. 10 1 pound. Its chemical formula is SiO2 and owes its purple coloration to irradiation of ferrous iron: Fe3+. This listing is for a one pound lot, which will consist of varying sized pieces. If you prefer larger or smaller pieces, please leave a note in your order, but