Iolite 4mm Microfaceted Round A Grade - 15-16 Inch Rhyolite12mm Blue Apatite ranges in color

Blue Apatite ranges in color from light teal to blue to bright blue to dark blue to green

Azurite is a soft

with little alteration of the external shape of the original crystal

Many of the earliest gem traders did not realize that these yellowish stones were actually different materials

Mexican Black and Red Zebra Jasper has banded and marbled patterns of translucent to opaque milky white

Iolite 4mm Microfaceted Round A Grade - 15-16 Inch Rhyolite12mm Blue Apatite ranges in colorIolite 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.