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6pm – 9pm, South meeting room, Huntsville Gem & Mineral Education Center, Sandra Moon Community Complex, 7901 Bailey Cove Rd SE. Park in South lot off Bailey Cove Rd SE.
Did You Know? In January, researchers at NASA’s Johnson Space Center identified the world’s oldest asteroid crater: a 43-mile wide impact structure in Yarrabubba, Western Australia. By analyzing radioactive elements in sample rocks, geochronologists determined that the collision occurred about 2 billion years ago. The impact sent 100+ billion tons of water vapor into the upper atmosphere possibly triggering a period of global warming. Source: The Week, February 14, 2020
September - Sapphire: A variety of the mineral corundum. Occurs in blue, yellow, green, orange, pink, or purple depending on trace element content. This gemstone may even show a six-rayed star when cut as a cabochon.
Source: https://www.gia.edu.
