Iolite 7x8mm Faceted Round Nugget - 15-16 Inch 20210727 the tiles slide instead of

the tiles slide instead of shattering absorbing the energy of the blow

It was named from the Latin "Thule" - which was a term used by ancient Greeks and Romans to refer to the then-little-known lands to the north or present day Scandinavia

and colors that include purples

translucent stone

With the possible exception of the horizon meeting the bright blue sky on a perfect summer day

Iolite 7x8mm Faceted Round Nugget - 15-16 Inch 20210727 the tiles slide instead ofIolite 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.