Eggletonite
A variety of Ganophyllite Group
What is Eggletonite?
Eggletonite Market Value Calculator
Estimate the market value of Eggletonite using size, quality, and finish. This preview calculator is for quick context and is not a formal appraisal.
Eggletonite Localities Map
See where Eggletonite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Map preview
North ZoneCentral RidgeSouth Basin
Quick Facts
Physical Properties
- Color
- Brown
- Hardness (Mohs)
- 3 - 4
- Streak
- Light Brown
Chemical Properties
- Chemical Formula
- (Na,K,Ca)2(Mn,Fe)8(Si,Al)12O29(OH)7 · 11H2O
- Elements
- Al, Ca, Fe, H, K, Mn, Na, O, Si
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