This beautiful blue opal doublet is set in stirling silver. 

Size 8, stone size approximately 1.5cm.

Opal is a hydrated amorphous form of silica, it is classed as a mineraloid, unlike crystalline forms of silica, which are classed as minerals.

Opal is said to have a delicate vibration that aids in finding your self-worth. May aid with psychic visions and creativity, bringing spontaneity and lightness.