It is composed of calcium

Its dimensions are 41x38x49mm

Origin:  Afghanistan

Product ID: GTOR4804

Product ID: SS0188

Tanzanite | Oval Cut | 7x5mm 0.85ct | Tanzania | SO24 Gyrolite It is composed of calciumProduct Type: Tanzanite Approx Weight (per piece): 0. 85ct Size: 7x5mm Shape: Oval Cut Color: Purple Clarity: Clean to the eye Origin: Tanzania, Africa Tanzanite is renowned for its intense blue and violet colors, but can also be golden, green, lilac and peacock (blue and green). The sole source of tanzanite is the Merelani Hills in northern Tanzania. Discovered in the 1960s, tanzanite is considered rarer than diamonds due to its single source origin.