- Brand: Casa de plata
- Product Code: CSR-70
- Availability: By Order
Tanzanite is called after the East African state of Tanzania, it was
discovered in the Mererani Hills of Northern Tanzania in 1967.
Tanzanite is the blue-purple variety of zoisite, it is noted for its remarkably strong trichroism, appearing sapphire blue, violet and burgundy depending on the position of crystal. Tanzanite also appears differently when viewed under alternate lighting conditions. In good quality the colour is ultramarine to sapphire blue; in artificial light, it appears more amethyst violet.