Iolite 6x8mm Handcut Faceted Irregular Chip Bead - 15-16 Inch Shape_Round Sonora Jasper is the trade

Sonora Jasper is the trade name for Sonora Dendritic

Iron Zebra Jasper displays streaks or stripes of colors ranging from dark

The name "biotite" is used because these minerals generally cannot be distinguished without optical

Sonoran Mountain Turquoise is a high-quality turquoise variety mined in Sonora

These flecks glitter as they catch the light and may appear white against the dark blue of the glass

Iolite 6x8mm Handcut Faceted Irregular Chip Bead - 15-16 Inch Shape_Round Sonora Jasper is the tradeIolite 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.