Tourmaline cut stones see 666
A group of tourmaline cut stones. Tourmaline is the name given to a group of eleven minerals which all have a general chemical formula
Picture No
10717283
Media ID
47591380
Size
2379px x 3152px
(7.1MB)
Credit
Mary Evans / Natural History Museum
Source
Photograph from the Natural History Museum Collection
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Aluminium Aluminum Chromium Cyclosilicate Gemstone Lithium Magnesium Metamorphic Mineral Schist Silicate Sodium Tourmaline
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