Quartz

SiO2

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Quartz is the second most abundant mineral in Earth's continental crust, after feldspar. It occurs in virtually every geological environment and is a component of almost every rock type. Varieties include amethyst, citrine, rose quartz, smoky quartz, and chalcedony.

Hệ tinh thể Trigonal
Phân loại khoáng vật 09 Silicates
Độ cứng Mohs 7.0
Tỷ trọng 2.65
Màu sắc Colorless, white, purple, pink, brown, black
Ánh Vitreous
Màu vệt White
Cát khai None
Vết vỡ Conchoidal
Độ trong suốt Transparent
Dạng tinh thể Prismatic, massive, druzy

Độ cứng Mohs

Mohs Hardness: 7,0 – 7,0
1 Soft10 Hard

Hệ tinh thể

Trigonal

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Frequently Asked Questions

What is the hardness of Quartz?
Quartz has a Mohs hardness of 7.0.
What crystal system does Quartz belong to?
Quartz crystallizes in the Trigonal crystal system.
What color is Quartz?
Quartz is typically Colorless, white, purple, pink, brown, black.
What type of luster does Quartz have?
Quartz exhibits a Vitreous luster.
What is the chemical formula of Quartz?
The chemical formula of Quartz is SiO2.