Spherical Tektite

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Object Name: 
Spherical Tektite
Accession Number: 
Overall Diam (max): 9.84 cm
On Display
probably about 790,000 years old
Credit Line: 
Gift of Darryl S. Futrell
Web Description: 
This tektite measures 10.1cm diameter and weighs 1,070.54g. It was donated by tektite collector Darryl S. Futrell with Vietnamese splashform tektites, but Vietnamese tektites of this size typically form concavo-convex (or possibly biconcave or biconvex) discs. Only Philippinites produce spheres in this size range. This specimen is known as the Beyer 'Monster' and, as such, is one of two largest known complete Philippinite Splashforms (comments by Aubrey Whymark, 2011).
Futrell, Darryl S., Source
Primary Description: 
Nonvolcanic terrestrial or extraterrestrial glass. Irregular, pitted, rough, surface; most of the pitting appears to be broken (hemispherical) bubbles. One smooth, glassy areas (~ 2.4 cm in diameter), that is relatively flat.
Corning Museum of Glass 2007-04-01 through 2007-10-21
West Bridge Show
The Corning Museum of Glass Annual Report 2000 (2001) illustrated, pp. 4, 5, 15; BIB# AI98331