Ferro-ferri-katophorite
A variety of Katophorite Root Name Group
What is Ferro-ferri-katophorite?
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Ferro-ferri-katophorite Localities Map
See where Ferro-ferri-katophorite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
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North ZoneCentral RidgeSouth Basin
Quick Facts
Chemical Properties
- Chemical Formula
- Na(NaCa)(Fe2+4Fe3+)(Si7Al)O22(OH)2 The katophorite group minerals are sodium-calcium amphiboles defined with A(Na+K+2Ca)> 0.5 apfu and 0.5 apfu < C(Al+Fe3++2Ti) < 1.5 apfu. Ferro-ferri-katophorite is defined with A position: Na dominant C2+ position: Fe dominant C3+ position: Fe dominant W position: (OH) dominant
- Elements
- Al, Ca, Fe, H, Na, O, Si
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