![](http://www.alamy.com/thumbs/6/C8A4465C-6072-44EA-ABE7-449131C69E2E/2PFG1N8.jpg)
Blue Dumortierite - fibrous variably coloured aluminium boro-silicate
Size: 2900px × 2511px
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