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.

La esfalerita es el principal mineral de mena de zinc. Muestra una gama muy amplia de colores dependiendo de impurezas, desde transparente a rojo oscuro, marrón y negro.

Sistema Cristalino Cubic (Isometric)
Clase Mineral 02 Sulfides and Sulfosalts
Dureza Mohs 3.5-4.0
Gravedad Específica 3.90-4.10
Color Yellow, brown, black, red, green
Brillo Adamantine
Raya White to yellow-brown
Exfoliación Perfect dodecahedral {110}
Fractura Conchoidal
Transparencia Translucent
Hábito Cristalino Tetrahedral, dodecahedral, massive

Dureza Mohs

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

Sistema Cristalino

Cubic (Isometric)
Sphalerite crystallizes in the Cubic (Isometric) crystal system.
Propiedad Value
Sistema Cristalino 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.