![](http://www.alamy.com/thumbs/6/AB9A917F-2DD5-47B7-9F2F-2A854B87DB47/2PFG1MP.jpg)
Blue Dumortierite - fibrous variably coloured aluminium boro-silicate
Size: 3000px × 2481px
Photo credit: © PjrRocks / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: aluminium, blue, boro, borosilicate, cut, cutout, dipyramidal, dumortierite, fibrous, geological, geology, mineral, nesosilicate, orthorhombic, raw, sample, silicate, uncut