MrLundScience | Mineral Spotlight - Ulexite @MrLundScience | Uploaded 4 years ago | Updated 1 hour ago
Ulexite

Group:  Borates
Composition - NaCaB5O6(OH)6 monohydrate
Mohs Hardness:  2.5
Crystal System:  Monoclinic
Form/Habit:  Nodular, acicular
Cleavage:  Perfect
Fracture:  Uneven
Luster:  Vitreous to silky
Streak:  White
Specific Gravity:  2.0
Healing Properties:  None