Chalcophanite
A variety of Minerals
What is Chalcophanite?
Chalcophanite Market Value Calculator
Estimate the market value of Chalcophanite using size, quality, and finish. This preview calculator is for quick context and is not a formal appraisal.
Chalcophanite Localities Map
See where Chalcophanite 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
- Iron-black, bluish black, dark red (in thin plates)
- Hardness (Mohs)
- 2.5
- Density
- 3.85 g/cm³
- Streak
- Dark brown, red-brown
Chemical Properties
- Chemical Formula
- ZnMn4+3O7 · 3H2O Zn may be replaced by minor Fe and/or Mn.
- Elements
- H, Mn, O, Zn
Also Known As
ChalcophaniteHydrofranklinite
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