Amethyst Cluster - 4.87" with Stand - Brazilian giftsastro Over the last 200 million

Over the last 200 million years

and art work in the Roman empire

This is a genuine segment of superconducting cable from the LHC's magnet system — the lifeblood of the collider's high-energy particle beams

University of Chicago Press

700 years old

Amethyst Cluster - 4.87" with Stand - Brazilian giftsastro Over the last 200 millionFormed in volcanic rocks and colored violet by radiation, amethyst has an explosive origin. The traditional birthstone of February can be found worldwide and is sought after for its beautiful purple hues. This particular specimen is a single amethyst cluster from Brazil. The cluster measures 4. 87" at the tallest point. It is firmly mounted in a sturdy steel stand and is perfect for tabletop display. The specimen ships with an individual certificate