Eckermannite
A variety of Eckermannite Root Name Group
What is Eckermannite?
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Eckermannite Localities Map
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North ZoneCentral RidgeSouth Basin
Quick Facts
Physical Properties
- Hardness (Mohs)
- 5 - 6
- Density
- 3.02 g/cm³
Chemical Properties
- Chemical Formula
- NaNa2(Mg4Al}Si8O22(OH)2 The eckermannite group minerals are sodium amphiboles defined with A(Na+K+2Ca)> 0.5 apfu and 0.5 apfu < C(Al+Fe3++2Ti) < 1.5 apfu with Al as the dominant element Eckermannite is defined with A position: Na dominant C2+ position: Mg dominant C3+ position: Al dominant W position: (OH) dominant
- Elements
- Al, H, Mg, Na, O, Si
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