An important deposit of andradite, containing demantoid and topazolite varieties, has been mined near the village of Antetezambato in northern Madagascar since early 2009.

A rare occurrence of 14 trapiche patterns is observed in a garnet sample from Vietnam.

Since 2002, tsavorite and other grossular varieties have been recovered from a primary deposit at Itrafo, a village in the Andrembesoa area of central Madagascar.

The final part of this series is concerned with colors explained by band theory, such as canary yellow diamonds, or by physical optics, such as play-of-color in opal.

Handcrafted jewelry pieces featuring tanzanite carvings stood out at the GJX show.

All corals within the Stylasteridae family (including the Stylaster genus) are listed in Appendix II of CITES.