MrLundScience | Mineral Spotlight - Beryl (Emerald) @MrLundScience | Uploaded November 2018 | Updated October 2024, 3 days ago.
Beryl

Chemical Name: Beryllium Aluminum Cyclosilicate - Be3Al2Si6O18
Group: Silicates (Cyclosilicates)
Mohs Hardness: 7.5 - 8
Crystal System: Hexagonal
Form/Habit: Prismatic
Cleavage: Imperfect
Fracture: Uneven to conchoidal
Luster: Vitreous
Streak: White
Specific Gravity: 2.6 - 3.0
Healing Properties: None