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.

결정계 Monoclinic
광물 분류 09 Silicates
모스 경도 6.0-6.5
비중 2.55-2.63
색상 White, pink, cream, gray
광택 Vitreous
조흔색 White
벽개 Perfect {001}, good {010}
단구 Uneven to conchoidal
투명도 Translucent
결정 습성 Prismatic, tabular

모스 경도

Mohs Hardness: 6.0 – 6.5
1 Soft10 Hard

결정계

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.