Halite

NaCl

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Better known as rock salt, halite is the mineral form of sodium chloride (NaCl) and among the most familiar minerals to people everywhere. It crystallizes in the cubic system, typically as cubes or massive aggregates, with a vitreous luster, a white streak, perfect cubic cleavage, and a Mohs hardness of 2 to 2.5. Colors range from colorless and white to blue, orange, and pink, the pink varieties tinted by iron oxide impurities, and its specific gravity is 2.16. Halite forms thick evaporite deposits where seawater or saline lakes dry up, and it remains a fundamental industrial and dietary commodity. Its ready solubility in water and salty taste are diagnostic, alongside the perfect cubic cleavage.

塩化ナトリウムで、食塩である。透明から無色で、完全な立方晶劈開を持つ。

晶系 Cubic (Isometric)
鉱物分類 03 Halides
モース硬度 2.0-2.5
比重 2.16
色 Colorless, white, blue, orange, pink
光沢 Vitreous
条痕色 White
劈開 Perfect cubic {001}
断口 Conchoidal
透明度 Transparent
結晶習性 Cubic, massive

モース硬度

Mohs Hardness: 2.0 – 2.5
1 Soft10 Hard
Halite has a Mohs hardness of 2–2.5 on the 1–10 mineral hardness scale.
モース硬度 Reference Mineral
1 Talc
2 Gypsum
3 Calcite
4 Fluorite
5 Apatite
6 Orthoclase
7 Quartz
8 Topaz
9 Corundum
10 Diamond

晶系

Cubic (Isometric)
Halite crystallizes in the Cubic (Isometric) crystal system.
特性 Value
晶系 Cubic (Isometric)
Axial Relationships a = b = c, α = β = γ = 90°

Frequently Asked Questions

What is the hardness of Halite?
Halite has a Mohs hardness of 2.0-2.5.
What crystal system does Halite belong to?
Halite crystallizes in the Cubic (Isometric) crystal system.
What color is Halite?
Halite is typically Colorless, white, blue, orange, pink.
What type of luster does Halite have?
Halite exhibits a Vitreous luster.
What is the chemical formula of Halite?
The chemical formula of Halite is NaCl.