Tourmaline a crystalline boron silicate mineral - from Roche, Cornwall

---

Size: 5099px × 3402px
Photo credit: © Fossil & Rock Stock Photos / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: &, aluminium, black, britain, british, color, colour, cornwall, crystal, crystalline, crystals, deposit, earth, format, fossil, gem, gems, geological, geology, great, grey, horizontal, iron, isles, magnesium, mineral, mineralogical, mineralogy, minerals, naturally, occurring, ore, ores, photos, roche, rock, rocks, science, sciences, scientific, silicate, silicates, specimen, specimens, stock, stone, stones, tourmaline, uk