Padparadscha. This is one of the most unusual varieties of the mineral corundum.

---

Size: 4722px × 3701px
Photo credit: © NATURAL HISTORY MUSEUM, LONDON/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: -, 1, anatomical, anatomy, biological, biology, botanical, botany, calomelanos, close-, detail, fauna, flora, frond, herbarium, monilophytes, mounted, nature, pityrogramma, plant, preserved, pressed, pteridophytes, sheet, shot, single, specimen, studio, vascular