Crystal, carving and treated blue topaz

---

An orange crystal, colourless carving of Queen Victoria's head and a heat-treated blue topaz gem of

---

Size: 1527px × 1940px
Photo credit: © Natural History Museum, London / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: birthstone, blue, carved, carving, collection, crystal, gem, gemstone, group, heat, mineral, nesosilicate, november, orange, orthosilicate, shot, silicate, studio, studioshot, topaz, treated, victoria