Winchite
A variety of Minerals
What is Winchite?
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Winchite 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.
Winchite Localities Map
See where Winchite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- Cobalt-blue to violet-blue, lavender-gray, gray, colorless
- Hardness (Mohs)
- 5.5
- Streak
- Pale blue-grey
Chemical Properties
- Chemical Formula
- ☐{CaNa}{Mg4Al}(Si8O22)(OH)2 The winchite-group minerals are defined as sodium-calcium amphiboles with A(Na+K+ 2Ca)<0.5 apfu and with C(Al+Fe3++2Ti)<1.5 apfu. The W position may contain (OH),F or Cl. Winchite is defined with C2+ position: Mg dominant C3+ position: Al dominant W position: (OH) dominant.
- Elements
- Al, Ca, H, Mg, Na, O, Si
Also Known As
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Winchite FAQs
How do I identify Winchite?
Winchite can be identified by its hardness of 5.5 on the Mohs scale, Cobalt-blue to violet-blue color. Look for these key characteristics when examining specimens.
What color is Winchite?
Winchite typically appears in Cobalt-blue to violet-blue, lavender-gray, gray, colorless. Color can vary depending on impurities and formation conditions.
How hard is Winchite?
Winchite has a hardness of 5.5 on the Mohs scale. This gives it moderate hardness.
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