Potassic-richterite
A variety of Minerals
What is Potassic-richterite?
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Potassic-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.
Quick Facts
Physical Properties
- Color
- Straw yellow to brown colour
- Hardness (Mohs)
- 5 - 6
- Rock tumbling
- With care
- Density
- 3.075 g/cm³
- Streak
- Greyish white
Chemical Properties
- Chemical Formula
- {K}{CaNa}{Mg5}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. Potassic-richterite is defined with A position: K dominant C position: Mg dominant W position: (OH) dominant.
- Elements
- Ca, H, K, Mg, Na, O, Si
Also Known As
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Potassic-richterite FAQs
How do I identify Potassic-richterite?
Potassic-richterite can be identified by its hardness of 5 - 6 on the Mohs scale, Straw yellow to brown colour color. Look for these key characteristics when examining specimens.
What color is Potassic-richterite?
Potassic-richterite typically appears in Straw yellow to brown colour. Color can vary depending on impurities and formation conditions.
How hard is Potassic-richterite?
Potassic-richterite has a hardness of 5 - 6 on the Mohs scale. This gives it moderate hardness.
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