How do I identify Magnesio-fluoro-arfvedsonite?

Magnesio-fluoro-arfvedsonite can be identified by its hardness of 5.5 on the Mohs scale, Dark-grey to greyish-black. color. Look for these key characteristics when examining specimens.

What color is Magnesio-fluoro-arfvedsonite?

Magnesio-fluoro-arfvedsonite typically appears in Dark-grey to greyish-black.. Color can vary depending on impurities and formation conditions.

How hard is Magnesio-fluoro-arfvedsonite?

Magnesio-fluoro-arfvedsonite has a hardness of 5.5 on the Mohs scale. This gives it moderate hardness.

Magnesio-fluoro-arfvedsonite

A variety of Minerals

What is Magnesio-fluoro-arfvedsonite?

Magnesio-fluoro-arfvedsonite Market Value Calculator

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

Magnesio-fluoro-arfvedsonite Localities Map

See where Magnesio-fluoro-arfvedsonite 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: Dark-grey to greyish-black.
Hardness (Mohs): 5.5
Streak: Pale grey

Chemical Properties

Chemical Formula: [Na][Na2][Mg4Fe3+][Si<sub>8</sub>O<sub>22</sub>](F,OH)2 The arfvedsonite group minerals are sodium amphiboles defined with A(Na+K+2Ca)> 0.5 apfu and 0.5 apfu < C(Al+Fe3++2Ti) < 1.5 apfu with Fe as the dominant element in the C3+ position. Arfvedsonite is defined with A position: Na dominant C2+ position: Mg dominant C3+ position: Fe dominant W position: F dominant
Elements: F, Fe, Mg, Na, O, Si

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