Tourmaline
A specimen of Tourmaline from Antsirabe, Madagascar, section of a crystal showing colour zoning. Tourmaline is a hexagonal mineral, vertically striated
Picture No
10710417
Media ID
47574431
Size
7085px x 5315px
(34.1MB)
Credit
Mary Evans / Natural History Museum
Source
Photograph from the Natural History Museum Collection
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Aluminium Aluminum Cyclosilicate Geological Hexagonal Madagascar Mineral Mineralogy Silicate Sodium Striated Tourmaline
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