Mineralpedia Details for Hydroboracite
Hydroboracite
- Formula
- CaMg[B3O4(OH)3]2ยท3H2O
- Crystal System
- Monoclinic
- Crystal Habit
- Fibrous, Foliated
- Cleavage
- Perfect, None, None
- Luster
- Vitreous - Silky
- Color
- colorless, greenish, white, light brown, wine yellow
- Streak
- white
- Class
- Monoclinic - Prismatic
- Hardness
- 2
- WebMineral
- View Hydroboracite
- Mindat
- View Hydroboracite
Hydroboracite from Terry Borate mine, Death Valley, Inyo Co., California
Colorless to white radiating bladed crystals to 1.5cm. A very good specimen.
Click thumbnail images for larger view.
