Loading

Sulfur [S] and salmiac xx [(NH4)Cl], efflorescence due to heap fire

UNESCO World Heritage Zollverein

UNESCO World Heritage Zollverein
Essen, Germany

The element sulfur and the ammonium chloride salmiac are normally formed on volcanoes. A wide variety of gases emerge from the depths of the earth through crevices and cracks, from which, for example, elemental sulfur and salmiac can separate. In this case, however, the honey-yellow and white crystals were formed during a smoldering fire at a coal mine dump in the Ruhr region.

Show lessRead more
  • Title: Sulfur [S] and salmiac xx [(NH4)Cl], efflorescence due to heap fire
  • Location: Germany, North Rhine-Westphalia, Oberhausen-Osterfeld, Osterfeld Mine dump
  • Rights: © Ruhr Museum; Photo: Rainer Rothenberg
  • Width: 34cm
  • Height: 10cm
  • Depth: 28cm
  • Collection: Natural Science, Ruhr Museum
UNESCO World Heritage Zollverein

Get the app

Explore museums and play with Art Transfer, Pocket Galleries, Art Selfie, and more

Home
Discover
Play
Nearby
Favorites