Space Shuttle Columbia - Flown HRSI Tile Fragment adventure A small information card is

A small information card is also included with each specimen

At the end of the Eocene

It measures 4

The LEDs are tuned to a color profile of 4300K (equivalent to natural daylight)

Caution: Specimens selected for jewelry purposes have edges and points worn somewhat smooth by centuries of time

Space Shuttle Columbia - Flown HRSI Tile Fragment adventure A small information card isThis specimen is a fragment of the black, reaction cured glass coating of the HRSI Space Shuttle Tile which appears in the Fourth Edition of the Mini Museum. NASA disposition paperwork accompanying the tile indicates it was removed after the Space Shuttle Columbias 7th mission, STS 61 C, which flew on January 12, 1986. As pictured, the item is roughly the size of a standard Mini Museum specimen (4 5mm). The glass coating is very thin, so for