Feldspar (Orthoclase)

KAlSi3O8

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アルカリ長石で、アルカリ花崗岩の主成分である。白色から肌色で、完全な二面劈開を持つ。

晶系 Monoclinic
鉱物分類 09 Silicates
モース硬度 6.0-6.5
比重 2.55-2.63
色 White, pink, cream, gray
光沢 Vitreous
条痕色 White
劈開 Perfect {001}, good {010}
断口 Uneven to conchoidal
透明度 Translucent
結晶習性 Prismatic, tabular

モース硬度

Mohs Hardness: 6.0 – 6.5
1 Soft10 Hard

晶系

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.