Aquamarine 2mm Faceted Cube - 15-16 Inch Rhutilated The best available information indicates

The best available information indicates that the stone is a type of Dolomite that has been altered by volcanic activity

Blue Apatite

Black Eye Agate is a variety of Sardonyx which has a Sard base

When tumbled it can have the look of polished steel

The color of Smoky Quartz is due to natural irradiation and traces of aluminum within the cryst

Aquamarine 2mm Faceted Cube - 15-16 Inch Rhutilated The best available information indicatesAquamarine 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.