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Tanzanite is both extremely rare and extremely attractive
“buttery
Other names include: quickstick
Botswana Agate displays highly defined parallel banding
Iolite Faceted 4mm Round - 15-16 Inch Plated Gemstone Tanzanite is both extremely rareIolite 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.
