Iolite 4mm Round A Grade - 15-16 Inch australian Red Aventurine is believed to

Red Aventurine is believed to have many positive benefits

red jasper and black hematite

There are 37 different mica minerals

Herkimer County

giving some rubies a slightly brownish or purplish tint

Iolite 4mm Round A Grade - 15-16 Inch australian Red Aventurine is believed toIolite 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.