Mount Everest Ladder Rung tektite sapphires are among the most

sapphires are among the most popular gemstones in the world

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

This specimen is a fragment of a knight’s sword dating to the late 13th / early 14th century CE

the crystals are transparent on their own

Dimetrodon is often mistaken for a dinosaur

Mount Everest Ladder Rung tektite sapphires are among the mostThis specimen is a precision cut segment of ladder rung from the Khumbu Glacier on Mount Everest, roughly 2mm thick. Diameter, shape, and condition vary widely. Diameters range from just under 1" (2. 5cm) to 1. 5" (3. 8cm). Some segments have significant crampon marks along the edges, while others are relatively clean. As shown, some segments have undergone tremendous stress. The specimen comes in a classic, glass topped riker display box measuring 4