Iolite Faceted 10mm Energy Prism - 15-16 Inch Stone Type_Zebra Jasper but has been used historically

but has been used historically to describe the transparent variety

It's also known as Angelita and Angelite Quartz

cachanance

Rainbow Moonstone is named for its moon-like glow or chatoyancy

Nangka is the name commonly used in the Philippines for the Jackfruit Tree

Iolite Faceted 10mm Energy Prism - 15-16 Inch Stone Type_Zebra Jasper but has been used historicallyIolite 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.