Tvrdýite
A variety of Minerals
What is Tvrdýite?
Tvrdýite Market Value Calculator
Estimate the market value of Tvrdýite using size, quality, and finish. This preview calculator is for quick context and is not a formal appraisal.
Tvrdýite Localities Map
See where Tvrdýite 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
- Silvery to olive-greyish-green
- Hardness (Mohs)
- 3 - 4
- Density
- 2.834 g/cm³
- Streak
- Greyish-white
Chemical Properties
- Chemical Formula
- Fe2+Fe3+2 Al3(PO4)4(OH)5(H2O)4·2H2O
- Elements
- Al, Fe, H, O, P
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