Earlshannonite
A variety of Arthurite Group
What is Earlshannonite?
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Earlshannonite 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.
Earlshannonite Localities Map
See where Earlshannonite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- Reddish-brown
- Hardness (Mohs)
- 3 - 4
Chemical Properties
- Chemical Formula
- Mn2+Fe3+2(PO4)2(OH)2 · 4H2O
- Elements
- Fe, H, Mn, O, P
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Earlshannonite FAQs
How do I identify Earlshannonite?
Earlshannonite can be identified by its hardness of 3 - 4 on the Mohs scale, Reddish-brown color. Look for these key characteristics when examining specimens.
What color is Earlshannonite?
Earlshannonite typically appears in Reddish-brown. Color can vary depending on impurities and formation conditions.
How hard is Earlshannonite?
Earlshannonite has a hardness of 3 - 4 on the Mohs scale. This makes it a soft mineral that can be scratched easily.