Feldspar (Orthoclase)

KAlSi3O8

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Orthoclase is a potassium feldspar and one of the most common minerals in the Earth's crust. It is an essential component of granite and many other igneous rocks. Moonstone is a gem variety of orthoclase.

Hệ tinh thể Monoclinic
Phân loại khoáng vật 09 Silicates
Độ cứng Mohs 6.0-6.5
Tỷ trọng 2.55-2.63
Màu sắc White, pink, cream, gray
Ánh Vitreous
Màu vệt White
Cát khai Perfect {001}, good {010}
Vết vỡ Uneven to conchoidal
Độ trong suốt Translucent
Dạng tinh thể Prismatic, tabular

Độ cứng Mohs

Mohs Hardness: 6,0 – 6,5
1 Soft10 Hard

Hệ tinh thể

Monoclinic

Frequently Asked Questions

What is the hardness of Feldspar (Orthoclase)?
Feldspar (Orthoclase) has a Mohs hardness of 6.0-6.5.
What crystal system does Feldspar (Orthoclase) belong to?
Feldspar (Orthoclase) crystallizes in the Monoclinic crystal system.
What color is Feldspar (Orthoclase)?
Feldspar (Orthoclase) is typically White, pink, cream, gray.
What type of luster does Feldspar (Orthoclase) have?
Feldspar (Orthoclase) exhibits a Vitreous luster.
What is the chemical formula of Feldspar (Orthoclase)?
The chemical formula of Feldspar (Orthoclase) is KAlSi3O8.