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
Picture No
10710453
Media ID
47574786
Size
4606px x 3667px
(4.8MB)
Credit
Mary Evans / Natural History Museum
Source
Photograph from the Natural History Museum Collection
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Facet Gemstone Mineral Pleochroism Silicate Tanzania
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