October 2025
In this edition: Show Report, Incoming President’s Message, Dues, Yard Signs, Message from Mike Harrison.
Did You Know? A unique two-colored diamond weighing 37.41 carats was unearthed by the Lucara Diamond Corporation in Botswana. The diamond is half pink and half colorless. Experts say it likely formed in two stages with the pink half forming first. The discovery was announced in October 2025. Source: Live Science
December: Tanzanite-Named for Tanzania, where it was first discovered, this popular gemstone is the blue-to-violet or purple variety of the mineral zoisite. Zircon-Best known for its brilliant blue hues, zircon’s optical properties make it bright and lustrous. It also occurs in warm autumnal yellows, reds, and reddish browns, and in green hues. Turquoise-This vivid blue gemstone is a rare phosphate of copper that forms only in the Earth’s most dry and barren regions. Ancient peoples from Egypt to Mesoamerica and China treasured it. Source: Gemological Institute of America.
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