Diaspore (Zultanite)

Precious gem Hydroxide

6.5–7Hardness (Mohs)

AlO(OH)Chemistry

1Known origins & mines

Color-change gem from Turkey's Ilbir Mountains: kiwi-green indoors turns raspberry-pink under candlelight. Marketed as Zultanite or Csarite, mined commercially only here since 2005.

Known origins & mines

Anatolian Diaspore Mines (Zultanite) · Turkey

Active mining · Legendary locality

The Muğla Ilbir Mountains hold the world's only commercial color-change diaspore operation, marketed as Zultanite/Csarite since 2005.…