Ferro-richterite
A variety of Richterite Root Name Group
What is Ferro-richterite?
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Ferro-richterite before comparing listings or appraisals.
Size & Weight
Larger, intact specimens usually command higher prices.
Rarity & Demand
Scarce material or popular varieties sell at a premium.
Condition & Finish
Chips, repairs, and heavy wear lower value; clean prep helps.
Treatment & Provenance
Untreated specimens with documented locality are prized.
Ferro-richterite Localities Map
See where Ferro-richterite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- Brown to brownish-red, rose-red, yellow, grey-brown, also pale to dark green.
- Hardness (Mohs)
- 5 - 6
Chemical Properties
- Chemical Formula
- {Na}{CaNa}{Fe2+5}(Si8O22)(OH)2 The richterite group minerals are defined as sodium-calcium amphiboles with 0.5 apfu < A(Na+K+2Ca) where Na or K is dominant, and with C(Al+Fe3++2Ti)<0.5 apfu. The W position may contain (OH),F or Cl. Ferro-richterite is defined with A position: Na dominant C position: Fe2+ dominant W position: (OH) dominant.
- Elements
- Ca, Fe, H, Na, O, Si
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Ferro-richterite FAQs
How do I identify Ferro-richterite?
Ferro-richterite can be identified by its hardness of 5 - 6 on the Mohs scale, Brown to brownish-red color. Look for these key characteristics when examining specimens.
What color is Ferro-richterite?
Ferro-richterite typically appears in Brown to brownish-red, rose-red, yellow, grey-brown, also pale to dark green.. Color can vary depending on impurities and formation conditions.
How hard is Ferro-richterite?
Ferro-richterite has a hardness of 5 - 6 on the Mohs scale. This gives it moderate hardness.
