1) Amorphous solid 2) Gemstone 3) Glasslike meteorite 4) Meteorite remains 5) Natural glass 6) Round silicate glass bodies
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https://www.crosswordclues.com/clue/tektite
Tektites (from Greek τηκτός `tēktos`, molten) are gravel-size bodies that are composed of black, green, brown or gray, natural glass that are formed from terrestrial debris ejected during extraterrestrial impacts. They are characterized by 1. a fairly homogeneous composition; 2. an extremely low content of water and other volatiles; 3. an.....
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http://en.wikipedia.org/wiki/Tektite
any of a class of small, natural glassy objects that are found only in certain areas of the Earth`s surface. The term is derived from the Greek word ... [1 related articles]
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http://www.britannica.com/eb/a-z/t/21
A small, dark, glassy sphere or aerodynamically shaped button, usually less than 10cm in diameter, formed from molten rock ejected probably as a result of an asteroid or comet impact with silicon-rich rocks on the surface. Tektites are found scattered on Earth's surface in several major locations,...
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http://www.daviddarling.info/encyclopedia/T/tektite.html
Tektites are small, irregularly shaped glassy nodules that have no crystal structure and are similar to obsidian. Tektites are thought to be from meteorites, but their origin is not proven, some scientists maintaining that they are terrestrial and produced as a result of meteorite impacts, others believing them to be meteorite material.
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http://www.probertencyclopaedia.com/browse/HT.HTM
A small, glassy material formed by the impact of a large body, usually a meteor or asteroid. Tektites are commonly found at the sites of meteor craters.
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http://www.seasky.org/astronomy/astronomy-glossary.html
[
n] - thought to derive from meteorites
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http://www.webdictionary.co.uk/definition.php?query=tektite
noun thought to derive from meteorites
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https://www.encyclo.co.uk/local/20974
Small, rounded glassy stone, found in certain regions of the Earth, such as Australasia. Tektites are probably the scattered drops of molten rock thrown out by the impact of a large meteorite
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https://www.encyclo.co.uk/local/21221
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