Vintage Black Opal Tanzanite Ring chrysoberyl The outside surfaces show off

The outside surfaces show off hand engraved patterns

the thinner end terminates in a small knob to hold charms in place

it is a combination of 18k rose gold with the top in platinum

and those fashioned prior to about the 1930s

The original graduated and curvy bale and a setting in 18k yellow gold

Vintage Black Opal Tanzanite Ring chrysoberyl The outside surfaces show offMined only in one place in the world, tanzanite is an amazingly colored gem "? blue surrounded with a kiss of purple. Found only in the state of Tanzania located in east Africa, the gemstone has an amazing pedigree as it was introduced in 1968 by the internationally known Tiffany & Co. This late 20th century ring of 14k showcases a black opal cabochon of . 85 carats. With its subtle but distinct variegated colors in the purple and neon blue range, its