[GH85Carrera]

This early 1890s photo shows a a three-ton piece of copper-rich malachite and azurite from the Copper Queen Mine in Bisbee, Arizona. The specimen was displayed at the Chicago World’s Fair of 1893. Today this same specimen is known as the “Singing Stone” and is on display at the Museum of Natural History in New York City.






The Mystic Mountain region of the Carina Nebula.
Credit: Hubble Space Telescope