Tag Archives: Tiffany & Co.
Pleochroism in tanzanite
Tanzanite is a gem noted for its bright colour, its high degree of clarity, and its almost unique source. Tanzanite is an unusual gem because it is found near Arusha, Tanzania, and really not in any commercial quantities anywhere else. … Continue reading
Posted in Gemmology, Jewellery Tagged Pleochroism, Tanzanite, Tiffany & Co. Comments Off on Pleochroism in tanzanite