Oldest Earth - Jack Hills Zircon - Classic Riker Box Specimen ammolite The Space Shuttle Challenger (OV-099)

The Space Shuttle Challenger (OV-099) was the second of the space shuttles in the program to enter orbit

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Only a few complete windows like this exist

the item is affixed to an informational card that includes the Mini Museum Seal of Authenticity

It is very firm

Oldest Earth - Jack Hills Zircon - Classic Riker Box Specimen ammolite The Space Shuttle Challenger (OV-099)This specimen is a small piece of the Jack Hills formation north of Perth in Western Australia (pictured above). The rough, sedimentary layers of the Jack Hills formation are 3. 3 billion years old, but they also contain much older zircon crystals across a range of time from 3. 6 to nearly 4. 4 billion years old. The specimen measures 1x1 cm and is enclosed inside an acrylic specimen jar. The jar is enclosed inside a classic, glass topped riker