Diaspore
ID: 43
Diaspore
Chemical Formula
AlO(OH)
Hardness (Mohs)
6.5 - 7
Crystal System
Orthorhombic
Streak
White
Luster
Vitreous, Pearly
Diaphaneity
Transparent, Translucent
Color
White, brown, colourless, pale yellow, greyish, greenish grey, lilac, pinkish, rose-red, dark red
Density
3.2 - 3.5
Fun Facts
It's one of the components that contributes to the color-change effect (like alexandrite) seen in the gemstone Zultanite, which is a commercial name for a diaspore variety. Tenacity: Very brittle.