Aquamarine 6mm Round Large Hole Beads - 8 Inch april_crystal When the level of iron

When the level of iron oxide is high

giving some rubies a slightly brownish or purplish tint

Blue Lace Agate is a naturally occurring soft blue agate

violet or indigo

Aquamarine 6mm Round Large Hole Beads - 8 Inch april_crystal When the level of ironAquamarine is a transparent to translucent stone ranging from cerulean blue to light blue in higher grades. In lower grades it can be transparent to opaque and is commonly light blue, green and yellow with white and gray inclusions. The name is the Latin term for water of the sea. Aquamarine was once thought to be the treasure of mermaids, as well as a lucky stone for sailors. Approximate Hole Diameter: 2mm