Iolite Faceted 10mm Energy Prism - 15-16 Inch Stone Type_Zebra Jasper Nangka is the name commonly

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

and may also be referred to as Jacktree

also known as Calligraphy Stone or Miriam Stone

Ruby is a precious gemstone known for its deep red color

Iolite Faceted 10mm Energy Prism - 15-16 Inch Stone Type_Zebra Jasper Nangka is the name commonlyIolite 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.