- Color: color change from light greyish green to light brownish
- Hardness: 6.5 - 7
- Refractive index: 1.68 - 1.75
- Density: 3.30 - 3.40
- Chemical composition: a-AlO(OH)
- Crystal structure: Orthorhombic
- Origins: Turkey.
Considered to be a collector's stone, Turkish diaspore gems with a color change effect are sold under the commercial names of Zultanite or Csarite. Specimens over 10 ct are rare.