Mineralpedia Details for Hellyerite
Hellyerite
- Formula
- NiCO3ยท6H2O
- Crystal System
- Monoclinic
- Crystal Habit
- Encrustations
- Cleavage
- Perfect, Very Good, Very Good
- Luster
- Vitreous (Glassy)
- Color
- light blue
- Streak
- white
- Class
- Monoclinic - Prismatic
- Hardness
- 2.5
- WebMineral
- View Hellyerite
- Mindat
- View Hellyerite
