Wolframite

(Fe,Mn)WO4

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Wolframite is an important tungsten ore mineral and forms a series between ferberite (iron-rich) and huebnerite (manganese-rich). Tungsten derived from wolframite is essential for high-temperature industrial applications.

Crystal System Monoclinic
Mineral Class 07 Sulfates, Chromates, Molybdates, and Tungstates
Mohs Hardness 4.0-4.5
Specific Gravity 7.00-7.50
Color Black, dark brown
Luster Submetallic
Streak Dark reddish-brown
Cleavage Perfect {010}
Fracture Uneven
Transparency Opaque
Crystal Habit Tabular, prismatic, bladed

Mohs Hardness

Mohs Hardness: 4.0 – 4.5
1 Soft10 Hard

Crystal System

Monoclinic

Frequently Asked Questions

What is the hardness of Wolframite?
Wolframite has a Mohs hardness of 4.0-4.5.
What crystal system does Wolframite belong to?
Wolframite crystallizes in the Monoclinic crystal system.
What color is Wolframite?
Wolframite is typically Black, dark brown.
What type of luster does Wolframite have?
Wolframite exhibits a Submetallic luster.
What is the chemical formula of Wolframite?
The chemical formula of Wolframite is (Fe,Mn)WO4.