Sinhalite is a borate mineral with the formula MgAl (BO4), hardness 6.5 - 7 Mohs scale.
This precious gem was first discovered in Sri Lanka (Ceylon) in 1952 and was named after its site - "Sinhala", which is the Sanskrit name for Sri Lanka. (Burma) The most common color of Sinhalite is white to gray, gray-blue or various shades of brown - from light to dark, and more rare are the shades of yellow.

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