Sapphire
Thailand
IMA approved name
Corundum var. sapphire
Field of view: 3 mm. A polished surface of corundum. The sector zoning is observed as radial texture in the crystal. Occurrence of this specimen is not known.
Other localities
- Itaga Mine (Pneumatolytic, Platy)
- Burma (Ruby, Hexagonal Prismatic)
- Thailand (Sapphire, Sector zoning)