Sphalerite

ZnS

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The principal ore of zinc, sphalerite is a zinc sulfide (ZnS) and one of the most common sulfide minerals. Its name derives from the Greek word for deceptive, because it was often mistaken for galena. It crystallizes in the cubic system as tetrahedral, dodecahedral, or massive forms with an adamantine luster, a white to yellow-brown streak, and perfect dodecahedral cleavage. Pure sphalerite is pale yellow, but iron impurities darken it to brown or black, and colors also include red and green. Its Mohs hardness is 3.5 to 4 and its specific gravity 3.90 to 4.10. Its adamantine to resinous luster and perfect cleavage in six directions further distinguish it in hand specimen.

硫化锌矿物，呈棕黑色至黑色。是锌的主要矿源，有完美的菱面体劈裂。

晶系 Cubic (Isometric)
矿物分类 02 Sulfides and Sulfosalts
莫氏硬度 3.5-4.0
比重 3.90-4.10
颜色 Yellow, brown, black, red, green
光泽 Adamantine
条痕色 White to yellow-brown
解理 Perfect dodecahedral {110}
断口 Conchoidal
透明度 Translucent
晶体习性 Tetrahedral, dodecahedral, massive

莫氏硬度

Mohs Hardness: 3.5 – 4.0
1 Soft10 Hard
Sphalerite has a Mohs hardness of 3.5–4 on the 1–10 mineral hardness scale.
莫氏硬度 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)
Sphalerite 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 Sphalerite?
Sphalerite has a Mohs hardness of 3.5-4.0.
What crystal system does Sphalerite belong to?
Sphalerite crystallizes in the Cubic (Isometric) crystal system.
What color is Sphalerite?
Sphalerite is typically Yellow, brown, black, red, green.
What type of luster does Sphalerite have?
Sphalerite exhibits a Adamantine luster.
What is the chemical formula of Sphalerite?
The chemical formula of Sphalerite is ZnS.