Tanzanite Oval Cab 15.0 x 12.2mm

Oval Cabochon Cut 15.0 x 12.2mm. Bright deep blue/violet body colour, and even.

Stone Weight: 12.85cts. This stone makes an interesting design centrepiece with visible typical tanzanite inclusions such as needles, feathers and included crytals.

Tanzanite is a trichroic stone which can appear altrnately as blue, violet and burgundy depending on crystal orientatation. Tanzanite can also different under different lighting eg blues more evident under fluorescent lighting and violet more evident under incandescent illumination. In its rough state Tanzanite is reddish brown and is subjected to heat treatment to remove the brownish "veil" and bring out the blue violet of the stone.

Tanzanite is a birthstone for December.

Mohs Hardness Scale 6.5, making Tanzanite better suited to earrings and pendants. Tanzite working incredibly well with diamonds and pearls.

Stones sold individually and colour may vary slightly to that represented in photo.