![](http://www.alamy.com/thumbs/6/68AE4F91-74F7-4276-B499-81D287BD4C03/2T7A9GM.jpg)
Polyhalite is a potassium magnesium calcium sulfate mineral with iron oxide inclusions. This sample comes from Cardona, Barcelona, Catalonia, Spain.
Size: 8256px × 5504px
Photo credit: © José María Barres Manuel / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: barcelona, calcium, cardona, catalonia, close, evaporite, horizontal, iron, magnesium, mineral, oxide, polyhalite, potassium, red, sample, spain, sulfate