Mineral Spotlight - Topaz
3,595 views · Published 14 December 2018 · 2:24 · Indexed 20 September 2026
Channel: MrLundScience · 2018 · Science & Technology
Topaz Chemical Name: Aluminum Silicate Fluoride Hydroxide - Al2SiO4(F,OH)2 Group: Nesosilicates Mohs Hardness: 8 Crystal System: Orthorhombic Form/Habit: Prismatic Cleavage: Perfect basal Fracture: Subconchoidal to uneven Luster: Vitreous Streak: Colorless Specific Gravity: 3.4 - 3.6 Healing Properties: None
