Bhansali Trading Corporation supplies Tanzanite in Oval Shape. Bhansali Trading Corporation manufactures a range of natural precious and semi- precious gemstones. The Tanzanite in Oval Shape is of size 12 X 16 mm. The weight of Tanzanite is 9.78 carats. The Tanzanite is of blue, violet, yellow-brown, deep green [chrome] with chemical composition of hydrated calcium aluminum silicate.