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His analyses of some of the newer and less mainstream gemstones such as tanzanite , tsavorite, and Paraiba tourmaline are particularly welcome additions to the gemological literature.
The chain was silver and the pendant was made of ruby and specks of tanzanite were embedded in the crystal's casing.
Some of the highlights are a 220-pound, 500,000-carat golden sapphire, one of the world's largest; a 4,360-carat ‘rainbow’ calcite; and the world's largest tanzanite set in a tiara with one thousand diamonds.
For gem enthusiasts, a remarkable 201-carat faceted tanzanite and an equally outstanding faceted 53-carat tsavorite will be just two of the exciting African gemstones featured at the show.
The traditional kundan work has also been embellished with semi-precious and precious stones and beads such as tourmalines, tanzanites , opals, aquamarine and peridots.
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