In the Middle Ages, opal was considered a stone that could provide great luck because it was believed to possess all the virtues of each gemstone whose colour was represented in the colour spectrum of the opal.

Gemstone:
Ethiopian opal, found mostly in the form of nodules, was of volcanic origin and was found predominantly within weathered layers of rhyolite.

Specifications:

Gemstone: Ethiopian Opal
Tanzanite
Top Stone Width : 9mm x 7mm
Size: O(7.5)
Metal: 925 Sterling Silver
Y/G Plating