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  • Tourmaline Cut Stone - Octagon, 4 x 6 mm

Tourmaline Cut Stone - Octagon, 4 x 6 mm

  • 8112246
  • £15.00  exc.VAT

The Tourmaline group refers to a number of related species and varieties. In 1703 the Dutch imported it from Sri Lanka to Western and Central Europe where it gained its name 'Turmali' which means 'stone with mixed colours'.  

These cabochons have a smooth, polished surface.  

Shape: Octagon

Size: 4mm x 6mm

Weight: 0.15 grams

Colour: Mixed: Green and Pink

Moh's hardness: 7-7½  

Density: 2.82-3.32

Cleavage: Indistinct

Refractive index: 1.614 - 1.666

Dispersion: 0.017