Amethyst with goethite 17.03 ct.

Amethyst with goethite

The goethite is an iron hydroxide and become magnetic after heated ( is a special feature that occur only in this iron oxide)

Here we can see some nice tufts random oriented into the crystals with yellow-brownish color.

The gem is cut with truncated pavilion and almost flat table. From Brazil.

Size: 23x13x8 mm.

Weight: 17.03 ct.

CODE#7031