L'effetto di adularescenza e avventurescenza è diffuso su tutta la superficie in modo uniforme

Bicolor Tourmaline

Alla lente 10x si vede qualche leggera inclusione

Golden labradorescence effect with orange and deep blue tips

one of the internal characteristics seems to be the result of degradation of a natural crystal

Fedi "BioBand" in argento Stone:2 Stones L'effetto di adularescenza e avventurescenza"Biobands" are rings that mimic the shapes found almost everywhere in nature when evolution expressed the need to create resistant but at the same time light structures. From sea sponges to inside bones it is everywhere; it is literally the structure that supports nature. This is a unique, irregular, comfortable and lightweight ring.