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.

Sphalerite는 아연의 주요 광석이며 가장 흔한 황화물 광물 중 하나이다. 이름은 '기만적인'이라는 뜻의 그리스어에서 유래했는데, 방연석으로 자주 오인되었기 때문이다. 순수한 섬아연석은 옅은 황색이며, 철 불순물에 의해 갈색~흑색으로 변한다.

결정계 Cubic (Isometric)
광물 분류 02 Sulfides and Sulfosalts
모스 경도 3.5-4.0
비중 3.90-4.10
색상 Yellow, brown, black, red, green
광택 Adamantine
조흔색 White to yellow-brown
벽개 Perfect dodecahedral {110}
단구 Conchoidal
투명도 Translucent
결정 습성 Tetrahedral, dodecahedral, massive

모스 경도

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.
모스 경도 Reference Mineral
1 Talc
2 Gypsum
3 Calcite
4 Fluorite
5 Apatite
6 Orthoclase
7 Quartz
8 Topaz
9 Corundum
10 Diamond

결정계

Cubic (Isometric)
Sphalerite crystallizes in the Cubic (Isometric) crystal system.
특성 Value
결정계 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.