Iolite 6x8mm Handcut Faceted Irregular Chip Bead - 15-16 Inch Spinel This item is treated and

This item is treated and dyed agate

Peridot (pair-uh-doe) is one of only two gems

Beautiful specimens of Precious Opal

West African Jade is a complex Calcium Aluminum Silicate and is a Nephrite Jade

The most common members of the feldspar group are the plagioclase feldspars and the alkali feldspars

Iolite 6x8mm Handcut Faceted Irregular Chip Bead - 15-16 Inch Spinel This item is treated andIolite 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.