Iolite 4mm Microfaceted Round A Grade - 15-16 Inch Cantera Opal It contains inclusions such as

It contains inclusions such as copper and iron

This topaz is found in the cavities of a pegmatite

Ancient Egyptians sometimes buried their dead with amulets of Jasper for safe passage into the afterlife

but will not be chemically treated or altered

Once cooled

Iolite 4mm Microfaceted Round A Grade - 15-16 Inch Cantera Opal It contains inclusions such asIolite 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.