Tourmaline in Granite Matrix

Tourmaline Crystals in Granite Matrix from Cornwall
Tourmaline in Granite Matrix
Excl. Tax: £8.33 Incl. Tax: £10.00

Availability: Out of stock

An excellent mineral specimen exhibiting large crystals of black tourmaline within a granite matrix from Cornwall, UK. The tourmaline contrast the light granite in this impressive display piece, ideal for any serious collectors of UK minerals, this 80 mm size piece was found in the China clay pit of the area and comes supplied in a card tray with a label.
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British Tourmaline within a Granite Matrix, found in the China Clay pits of Cornwall. Tourmaline is crystalline mineral which is also classified as a semi precious stone due to the various colours it can be found in and the often high quality of their crystals. It is a boron silicate compound which usually appears jet black in colour and is known to exhibit pyro-electric properties because it was found to attract hot ashes. The jet black and dull Tourmaline is juxtaposed with the lighter granite, and while the felsic granite provides the majority matrix. overall,the sample measures 80 x 80 mm in size with some tourmaline crystals measuring 20 mm in length. This display piece is ideal for a serious collector, particularly those with an interest in minerals from the UK; it comes supplied with a white card tray and accompanying information label.
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