Iolite 4x6mm Faceted Rondelle - 15-16 Inch 20210810 Known in antiquity as the

Known in antiquity as the Speaker’s Stone

Agate is one of many varieties of banded Chalcedony

Makes 3 sizes of rings: 7x9 mm / 0

rather a feldspar-rich igneous rock

Iolite 4x6mm Faceted Rondelle - 15-16 Inch 20210810 Known in antiquity as theIolite most commonly occurs in shades of blue to gray, violet or indigo. It displays a visual property called pleochroism, which means that it can appear to be different colors as it shifts in the light. According to Norse legend, Viking explorers used thin pieces of Iolite as the worlds first polarizing lens to help them determine the exact location of the sun for navigation.