Potassic-magnesio-arfvedsonite

A variety of Minerals

What is Potassic-magnesio-arfvedsonite?

Market Value Factors

Pricing varies for every rock and mineral, so use these universal factors to gauge Potassic-magnesio-arfvedsonite before comparing listings or appraisals.

Size & Weight

Larger, intact specimens usually command higher prices.

Rarity & Demand

Scarce material or popular varieties sell at a premium.

Condition & Finish

Chips, repairs, and heavy wear lower value; clean prep helps.

Treatment & Provenance

Untreated specimens with documented locality are prized.

Applies to all rocks & minerals.

Potassic-magnesio-arfvedsonite Localities Map

See where Potassic-magnesio-arfvedsonite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.

Map preview
North ZoneCentral RidgeSouth Basin

Interactive map layers and collecting notes are available in the app.

Quick Facts

Physical Properties

Color
Greenish-brown
Density
3.19 g/cm³
Streak
Grey-green

Chemical Properties

Chemical Formula
[K][Na2][Mg<sub>4</sub>Fe<sup>3+</sup>]Si8O22(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. Potassic-magnesio-arfvedsonite is defined with A position: K dominant C2+ position: Mg dominant C3+ position: Fe dominant W position: (OH) dominant
Elements
Fe, H, K, Mg, Na, O, Si
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Potassic-magnesio-arfvedsonite FAQs

How do I identify Potassic-magnesio-arfvedsonite?

Potassic-magnesio-arfvedsonite can be identified by its Greenish-brown color. Look for these key characteristics when examining specimens.

What color is Potassic-magnesio-arfvedsonite?

Potassic-magnesio-arfvedsonite typically appears in Greenish-brown. Color can vary depending on impurities and formation conditions.

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