Potassic-ferro-ferri-sadanagaite
A variety of Minerals
What is Potassic-ferro-ferri-sadanagaite?
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Potassic-ferro-ferri-sadanagaite 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.
Potassic-ferro-ferri-sadanagaite Localities Map
See where Potassic-ferro-ferri-sadanagaite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- black
- Hardness (Mohs)
- 5.5 - 6
- Streak
- greenish grey
Chemical Properties
- Chemical Formula
- {K}{Ca2}{Fe2+3Fe3+2}(Al3Si5O22)(OH)2 The sadanagaite group minerals are defined as with 0,5 < A(Na+K+ 2Ca) where Na or K is dominant, and with 1,5 < C(Al+Fe3++2Ti), where Al or Fe3+ are dominant. The W position may contain (OH),F or Cl. Potassic-ferro-ferri-sadanagaite is defined with A position: K dominant C2+ position: Fe dominant C3+ position: Fe dominant W position: (OH) dominant.
- Elements
- Al, Ca, Fe, H, K, O, Si
Identify Potassic-ferro-ferri-sadanagaite Instantly
- Snap a photo, get instant results
- 6,700+ rocks, minerals & crystals
- Discover collecting spots near you
Potassic-ferro-ferri-sadanagaite FAQs
How do I identify Potassic-ferro-ferri-sadanagaite?
Potassic-ferro-ferri-sadanagaite can be identified by its hardness of 5.5 - 6 on the Mohs scale, black color. Look for these key characteristics when examining specimens.
What color is Potassic-ferro-ferri-sadanagaite?
Potassic-ferro-ferri-sadanagaite typically appears in black. Color can vary depending on impurities and formation conditions.
How hard is Potassic-ferro-ferri-sadanagaite?
Potassic-ferro-ferri-sadanagaite has a hardness of 5.5 - 6 on the Mohs scale. This gives it moderate hardness.
%252FAbenakiite-(ce)-01.jpg&size=small)
