TOURMALINE CRYSTALS (14 crystals in gemstone box)
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14 small crystals in gemstone box
Tourmaline can occur in many different colours. It is a boron silicate but it also contains trace elements and it is these elements that give it its colour, although natural ionizing radiation could also play a part.
The vividly-coloured tourmalines are of the variety elbaite, named after the island of Elba in Italy.
Presented in a gemstone display box.
Click on a picture for a larger image
Size: approx. 5 x 5 x 2 centimetres (size of box)
Weight: 28 grams (including box)
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