Aquamarine 7x8mm Faceted Round Nugget A Grade - 15-16 InchAquamarine 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.

5 Inches / 20x40mm / 2x3

It's usually found in a light pink color with white “flower” inclusions

Specialists soak the stones in resin or liquid plastic to help harden them

Hackmanite is the light pink to pale violet variety of sodalite

This dye was said to create Michelangelo’s favorite shade of blue

without the play of color present in more precious varieties

and the wood used to make them is only available after natural disasters fell young trees

Astrophyllite gets its name from the Greek words astron meaning "star" and phyllon meaning "leaf"

which occurs in many colors

In lower grades it can be transparent to opaque and is commonly light blue

cachanance

It is a particularly unusual gem because it exhibits a special optical property known as "tenebrescence