Tweddillite
A variety of Minerals
What is Tweddillite?
Tweddillite Market Value Calculator
Estimate the market value of Tweddillite using size, quality, and finish. This preview calculator is for quick context and is not a formal appraisal.
Tweddillite Localities Map
See where Tweddillite 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
- Deep red
- Hardness (Mohs)
- 6 - 7
- Density
- 3.84 g/cm³
- Streak
- Brownish red
Chemical Properties
- Chemical Formula
- {CaSr}{Mn3+AlMn3+}(Si2O7)(SiO4)O(OH)
- Elements
- Al, Ca, H, Mn, O, Si, Sr
Also Known As
TweddilliteTwedillite
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