Small 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 preferences are not guaranteed.
