Emerald is a gemstone and a variety of the mineral beryl (Be3Al2(SiO3)6) colored green by trace amounts of chromium or sometimes vanadium. Beryl has a hardness of 7.5–8 on the Mohs scale. Most emeralds are highly included, so their toughness (resistance to breakage) is classified as generally poor. Emerald is a cyclosilicate. The word “emerald” is derived (via Old French: esmeraude and Middle English: emeraude), from Vulgar Latin: esmaralda/esmaraldus, a variant of Latin smaragdus, which was a via Ancient Greek: σμάραγδος (smáragdos; “green gem”) from a Semitic language. According to Webster’s Dictionary the term emerald was first used in the 14th century.Beautiful perfect double terminated super deep colour emerald on a perfect quartz complete all around ! With great lustrous and perfection. Rich green color along with good shape luster and translucence highlight this doubly-terminated emerald crystal. Pakistan emerald is a rare and highly precious variety of the natural emerald gemstone, recognized for its lively deep green hue, distinctive smoothness and unblemished transparency. It is counted amongst the world’s most beautiful emerald gemstones. As per Vedic astrology, this gemstone can be worn to gain success in career, financial stability and good health. It is also the birthstone for the people born in the month of May.