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This specimen is a sample of climbing rope retrieved during a cleanup effort on Mount Everest
The dark branching patterns within the quartz of this pendant are a beautiful example of geochemistry—as fascinating as they are beautiful
The term “tephra” describes any fragment of rock ejected from a volcano during a violent eruption
these beads vary widely in color and texture
Herkimer Diamond Druzy 3.04" Cluster on Dolomite coral This specimen is a sampleHidden among Upstate New York's dolostone formation is a stunning group of crystals called Herkimer diamonds. With their striking clarity and beautiful double terminated growths, Herkimer diamonds have been catching the eyes of humans since at least the sixteenth century. This specimen is a Herkimer diamond druzy formation, measuring 3. 04". It was mined in the famous Little Falls Formation, which remains the most prized site for the crystals on Earth.
