Emerald – a green beryl gemstone

Emerald – a green variety of beryl
Emerald is a variety of beryl with the chemical composition Be₃Al₂Si₆O₁₈. It is valued primarily for its intense green color, which is caused by traces of chromium and vanadium. On the Mohs scale, it has a hardness of 7.5–8, but it tends to be more fragile due to frequent inclusions, which are commonly found in emeralds and are called “jardin”.

Emerald deposits – Zambia, Colombia, Pakistan

Zambia – known for producing dark green emeralds with a bluish tone. They are highly valued for their color intensity.

Colombia – the most famous emerald deposit, valued for its bright, deep green color. Colombian emeralds are among the most expensive in the world.

Pakistan – offers emeralds with a vibrant color and very good transparency, valued especially among collectors and connoisseurs.

History and uses of emerald
Emerald was known in ancient Egypt, where Queen Cleopatra loved it. In the Middle Ages, it adorned royal jewels and is still one of the most luxurious gemstones on the market. It is a symbol of beauty, wealth and rarity.

Identification of emerald

Chemical formula: Be₃Al₂Si₆O₁₈

Color: light to dark green

Crystal appearance: prismatic

Crystal system: hexagonal

Hardness: 7.5 – 8 (Mohs scale)

Luster: vitreous

Cleavage: imperfect

Scratch: white

Density: 2.67 – 2.78 g/cm³