
Aragonite on display in the Naturhistorisches Museum, Vienna. Photo by Renée DeVoe Mertz.

Mineral from Moldovia on display in the Naturhistorisches Museum, Vienna. Photo by Renée DeVoe Mertz.

Tyrolian specimen on display in the Naturhistorisches Museum, Vienna. Photo by Renée DeVoe Mertz.

Specimen from Transylvania on display in the Naturhistorisches Museum, Vienna. Photo by Renée DeVoe Mertz.

Specimen from Utah on display in the Naturhistorisches Museum, Vienna. Photo by Renée DeVoe Mertz.

Pallasite from Xinjiang, China, on display in the Naturhistorisches Museum, Vienna. Photo by Renée DeVoe Mertz.

Sardinian mineral specimen on display in the Naturhistorisches Museum, Vienna. Photo by Renée DeVoe Mertz.

Specimen from Yangshuo, Guangxi, China on display in the Naturhistorisches Museum, Vienna. Photo by Renée DeVoe Mertz.

Specimen from Garland, AR on display in the Naturhistorisches Museum, Vienna. Photo by Renée DeVoe Mertz.

Italian mineral specimen on display in the Naturhistorisches Museum, Vienna. Photo by Renée DeVoe Mertz.

Specimen from Guanajuato, Mexico on display in the Naturhistorisches Museum, Vienna. Photo by Renée DeVoe Mertz.

Peruvian specimen on display in the Naturhistorisches Museum, Vienna. Photo by Renée DeVoe Mertz.

Sardinian specimen on display in the Naturhistorisches Museum, Vienna. Photo by Renée DeVoe Mertz.

Specimen from Mapimí, Durango, Mexico on display in the Naturhistorisches Museum, Vienna. Photo by Renée DeVoe Mertz.

Francolite on display in the Naturhistorisches Museum, Vienna. Photo by Renée DeVoe Mertz.