Lot 239: Black Tourmaline. A huge specimen of Black Tourmaline crystal, loosely mounted on a carved and varnished wooden base for display, 20 cm high Tourmaline is made from hydrous minerals. Tourmaline comes in a wonderful array of colors that range from black to red, to pink, yellow, green, blue, orange, etc. (1)
Dominic Winter's Travel & Natural History Maps, Prints & Sporting Art Early Printed Books Military History
Wednesday, 11th November 2015
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