Tanzanite is a blue and violet variety of the mineral zoisite and it can only be found in Tanzania.

'Tanzi' (right)
Teardrop Brilliant Cut Tanzanite set in Sterling Silver

'Zuwena' (left)
Round Brilliant Cut Tazanite & White Topaz set in Sterling Silver
 
• Plating : White Gold Plating
• Material : Sterling Silver 925