![](http://www.alamy.com/thumbs/6/5B7255F9-8897-444E-A50F-35F074A34DE0/C5NBMY.jpg)
Schorl / Black Tourmaline (Madagascar)
Size: 3681px × 2664px
Photo credit: © PjrRocks / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: background, black, borosilicate, crystals, cut-, cyclosilicate, cyclosilicates, geology, mineral, prismatic, rock, sample, schorl, silicate, silicates, tourmaline, white