![](http://www.alamy.com/thumbs/6/CD0E5376-F456-487E-9B48-C7879A252A22/DTGKWR.jpg)
Tanzanite crystal and cut stone
This is a blue variety of the mineral zoisite. Strongly pleochroic, it displays rich blue, magenta and yellowish-grey colours when viewed from different angles.
Size: 4606px × 3667px
Photo credit: © Natural History Museum, London / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: africa, angle, blue, crystal, cut, facet, gem, gemstone, mineral, pleochroism, purple, shot, silicate, sorosilicate, stone, studio, studioshot, tanzania, tanzanite, zoisite