Black Tourmaline Crystal Sphere Ball – 4cm, 4.5cm, 5cm, 5.5cm – 6cm, 7cm , 7.5cm sizes

Polished Black Tourmaline Crystal Sphere / Ball

Country of Origin: Brazil

10-point scale of mineral hardness: 7.0 – 7.5 (10 – Hard, 1 soft)

Quantity: 1 Tourmaline sphere in total, will be randomly hand picked and packed for you, each single piece is beautiful with its own unique colour and markings.

6 sizes available: approx 4cm (approx 140 grams each); approx 4.5cm (approx 250 grams each); approx 5cm (approx 420 grams each); approx 5.5cm – 6cm (approx 550 grams each); approx 7cm (590 grams) or approx 7.5cm (833 grams); please choose your preferred size from the drop down menu under the item title.

Care has been taken to ensure that weights and measurements are as accurate as possible, however please do note that these are only approximate.

Each sphere comes with a small wooden ring for displaying.

These are carved from natural stone so they are not perfect and flawless. Natural inclusions, cracks and pockets are all visible and all part of the natural stone.

Black tourmaline is a particular variant of tourmaline, a crystalline borosilicate mineral.  It is thought that the particular hue of black tourmaline is due to traces of titanium embedded in the minerals molecular structure.