Emerald 5mm Cube Table Cut Bead - 15-16 Inch #REF! It is considered a precious

It is considered a precious Opal

It is a phyllosilicate composed of silicon

Item Type: Specimen

Sometimes called the "Black Prince's Ruby" for its role in the English crown

Weight: grams: 80-100 grams

Emerald 5mm Cube Table Cut Bead - 15-16 Inch #REF! It is considered a preciousEmerald is one of the four precious gemstones, the others being Diamond, Ruby and Sapphire. It is the green form of Beryl, colored by trace amounts of chromium and or vanadium to range in hue from yellow to green to blue to green. Emerald has been prized and revered in many different cultures for over 6,000 years. It was sold in the markets of ancient Babylon in 4,000 BCE, worshipped by the Incas, and considered a symbol of eternal life by the