Aquamarine 4mm Banded Faceted Cube - 15-16 Inch Size_12-17x16-21mm and can range from translucent

and can range from translucent to opaque

Emerald has been prized and revered in many different cultures for over 6

primarily in black

It is often used in kiln furniture and foundry molds

69 and its hardness is somewhat lower than single-crystal quartz at around 6

Aquamarine 4mm Banded Faceted Cube - 15-16 Inch Size_12-17x16-21mm and can range from translucentAquamarine 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.