Cuprite and Chrysacolla
From the press release:
Heads Up, Rock Hounds: Palace Gem & Mineral Show Returns
New Mexico History Museum
Samples of rocks containing both cuprite and chrysacolla at the Palace Gem & Mineral Show. The two together represent a rare material sometimes referred to as Christmas Stone because of the green and red coloring. Photo by Natalie Baca, New Mexico History Museum.
Note: Representative image at left is often cropped for display purposes. Downloaded high-resolution images are not cropped.