Iolite 6mm Round Faceted A Grade - 15-16 Inch blood quartz Biotite was named in honor

Biotite was named in honor of the French physicist Jean-Baptiste Biot

if desired

Weight: grams: 80-100 grams

mostly known for its green varieties

Red Garnet and Crystal Quartz

Iolite 6mm Round Faceted A Grade - 15-16 Inch blood quartz Biotite was named in honorIolite 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.