Legrandite
| Colour | Yellow |
|---|---|
| Mohs hardness | 4.5–5 |
| Lustre | Vitreous |
| Streak | White |
| Crystal system | Monoclinic |
| Transparency | Transparent to translucent |
| Cleavage | Imperfect, poor one {100} |
| Fracture | Conchoidal |
| Chemical formula | Zn 2 (AsO 4 )(OH)·(H 2 O) |
| Specific gravity | 3.98–4.01 |
What is Legrandite?
Legrandite is a rare zinc arsenate mineral, Zn2(AsO4)(OH)·(H2O).
How to identify Legrandite
- Lustre: Vitreous.
- Hardness: Mohs 4.5–5 — soft; a knife will scratch it.
- Streak: White.
- Habit: Monoclinic crystal system.
Legrandite in different forms
Stones often confused with Legrandite
Frequently asked questions
How hard is Legrandite?
Legrandite is Mohs 4.5–5 on the hardness scale.
What colour is Legrandite?
Legrandite is typically yellow (Bright yellow, wax-yellow, colorless).