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
10703749
Media ID
47586691
Size
3728px x 4593px
(13.9MB)
Credit
Mary Evans / Natural History Museum
Source
Photograph from the Natural History Museum Collection
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Colouration Gemstone Mineral Pleochroism Silicate Tanzania
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