Amethyst with goethite pair ct.12.57

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 flat table. Pair-From Brazil. Size:22.8x11.7x3 mm. Weight:12.57 ct. CODE#1364