Lot 885
Set of Four Major Shapes of Indochinite Tektites. Tektites are glass-like objects that formed when a very large meteorite impacted the earth vaporizing itself and melting earth rocks to over 2000 degrees. The black Indochinites are found mostly in and around Thailand and are a glossy black color made up of mostly amorphous silica somewhat resembling obsidian. They have been dated to be about 800,000 years old which would be the date of the meteorite impact.when they formed out of the molten earth and meteorite. The tektites get their shape depending on the speed of rotation of the molten rock as it quickly cools after being ejected high into the earth's atmosphere. As the molten rock solidifies into small objects, if there is no rotation it will form a sphere, a slow rotation will form a flattened disc, fast rotation will form a rod or dumbell shape and a very fast rotation will form a teardrop shape. This lot contains four sizeable specimens of each of the four shapes. 1. a 2x2 inch sphere weighing 109grams. 2. a 3x2.5 inch flattened disc weighing 138 grams. 3. a 4x1.25 inch dumbbell weighing 121 grams and 4. a 3x1 inch teardrop weighing 52 grams. Contained in a 8x6 inch Ryker Mount. Estimate Value $250 - UP
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