How do I identify Magnussonite?

Magnussonite can be identified by its hardness of 3.5 - 4 on the Mohs scale, Emerald- or grass-green; bluish green; pale green color. Look for these key characteristics when examining specimens.

What color is Magnussonite?

Magnussonite typically appears in Emerald- or grass-green; bluish green; pale green, olive-green. greenish-tan. Color can vary depending on impurities and formation conditions.

How hard is Magnussonite?

Magnussonite has a hardness of 3.5 - 4 on the Mohs scale. This gives it moderate hardness.

Magnussonite

A variety of Minerals

What is Magnussonite?

Magnussonite Market Value Calculator

Estimate the market value of Magnussonite using size, quality, and finish. This preview calculator is for quick context and is not a formal appraisal.

Magnussonite Localities Map

See where Magnussonite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.

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North ZoneCentral RidgeSouth Basin

Quick Facts

Physical Properties

Color: Emerald- or grass-green; bluish green; pale green, olive-green. greenish-tan
Hardness (Mohs): 3.5 - 4
Density: 4.55 g/cm³
Streak: White

Chemical Properties

Chemical Formula: Mn10As6O18(OH,Cl)2 initial (Moore & Araki, 1979) structural formula: Mn2+18[As3+6Mn+O18]2Cl2 but it is not necessarily confirmed (or disproved) by further studies
Elements: As, Cl, H, Mn, O

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