Summer 2007

Gem News International

DIAMONDS

• Bar code technology applied to diamonds
• U.S. Supreme Court ruling may affect viability of some diamond cut patents

COLORED STONES AND ORGANIC MATERIALS

• First discovery of amazonite in Mexico
• Astorite—A rhodonite-rich rock from Colorado
• Color-change bastnäsite-(Ce) from Pakistan
• Citrine with pyrite inclusions
• Unusual danburite pair
• Fluorite from Ethiopia
• Heliodor and other beryls from Connecticut
• Cat’s-eye K-feldspar and other chatoyant gems from Tanzania
• Green opal
• Chinese akoya cultured pearls
• Pyrope-almandine from Tanzania
• Pink-to-red tourmaline from Myanmar

• SYNTHETICS AND SIMULANTS

• Glass object with circular bands
• Heat-treated Kashan flux-grown synthetic ruby
• Synthetic star sapphire with hexagonal features
• Pink synthetic spinel colored by iron
• A new imitation of Imperial topaz

MISCELLANEOUS

• KPMG report predicts growth for the global jewelry industry