![](http://www.alamy.com/thumbs/6/9846A8BC-E537-4595-A7B1-73FA5657E43D/DTGN13.jpg)
Amethyst crystals
Amethyst crystals lining a cavity in rock. Amethyst is the purple variety of quartz and is a popular gemstone.
Size: 3478px × 1985px
Photo credit: © Natural History Museum, London / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: amethyst, cavity, crystal, crystalline, crystals, gem, gemstone, interior, mineral, purple, quartz, shot, silicate, studio, studioshot, tectosilicate