Emerald gemstone (also known as panna) is made up of silicate class of minerals, known as “Beryl”. Beryl comprise the largest class of minerals, where as Emerald are only a small fraction of this class.
Emerald stone can be found anywhere on the planet. Good quality Emerald gems are found in Muzi, Chivor and Cosquez. Emeralds varied from their color, clarity and quality. Emeralds are weighed in carats. Don’t confused with karats which refers to the purity of gold, with one carat = 1/5 gram, or 1/42 ounce. Emeralds are larger than the diamond and rubies.
Chemical Composition of Emerald Gemstone Panna
Emerald Gemstone is made of mineral Beryl. The chemical composition of Emerald Gemstone is Be3Al2(SiO3)6. Its exact magnitude is 2.67 – 2.78 and refractive index series is 1.566 – 1.602. Emerald’s hardness on Mohs scale is 7.5 – 8.0. Table is shown below –
|Refractive Index||1.566 – 1.602|
|Specific Gravity||2.67 – 2.78|
|Hardness||7.5 – 8.0|
Emerald is a gemstone having a stunning green color symbolizing serenity, success in love, wealth, happiness and peace of mind. Emerald Birthstone improves the memory, helps insomnia, help with eyesight, restores youth and heals ear problems.