![](http://www.alamy.com/thumbs/6/F1A0B588-BDC6-4072-BA32-248A6C48F7D0/2T507JJ.jpg)
Staurolite is an iron aluminium silicate mineral. Cross-shape presentation.
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Photo credit: © José María Barres Manuel / Alamy / Afripics
License: Royalty Free
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Keywords: aluminium, close-, couple, cross-shape, crystals, estaurolita, geology, horizontal, iron, mineral, mineralogy, monoclinic, nesosilicate, sample, silicate, staurolite