An old sample from one of Chile's most iconic mines. It's notable for its large number of rounded crystals, a highly lustrous metallic color, and characteristic reddish undertones. Analyzed with XRF, Video of the specimen on Instagram

A very old sample of the classic Chañarcillo mineral. It stands out for its color, luster, and some very well-finished crystals. Another rare brownish mineral, apparently Xanthoconite, can also be seen. Analyzed with XRF