Mineral Spotlight – Quartz (Rock Crystal)



Chemical Name: Silicon Dioxide – SiO2
Group: Silicates
Mohs Hardness: 7
Crystal System: Hexagonal / Trigonal
Form/Habit: Prismatic
Cleavage: None
Fracture: Conchoidal
Luster: Vitreous
Streak: White
Specific Gravity: 2.7
Healing Properties: None

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