Its dimensions are 41x38x49mm

They are a very interesting IAB-MG iron discovered in 1958

Color: Sharp Tigers Eye

Color: Black with Rainbow flashes

It is composed of calcium

Tanzanite | Oval Cut | 7x5mm 0.85ct | Tanzania | SO24 Gyrolite Its dimensions are 41x38x49mmProduct 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.