5.98ct Pyramid Cabochon Turquoise 10mm

Turquoise is a copper mineral valued for it's vibrant colour, the blue colour is due to the presence of copper and the green is due to iron. Turquoise is opaque to slightly translucent and the colour varies from deep sky blue, through to blue, greenish-blue and green. It may have veins and mottling of black and brown. Pyrite inclusions may also be visible.;Origin: The main sources of Turquoise include: Iran, Egypt, USA (Nevada, Arizona & California), Chine, India, Mexica and Russia.;Use in jewellery: Turquoise is cut into cabochons and beads for use in jewellery. It is best to avoid contact with perfumes and cosmetics which may discolour the turquoise.;Stone Size (mm): 10x10x7.4;Carat Weight (ct): 5.98