Jewelry Gemstones Crystals Minerals Gemstones Fossils Meteorites

Collection: Winchite

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.
Color: Cobalt-blue to violet-blue, lavender-gray, gray, colorless
Luster: Vitreous
Hardness: 5 - 6
Specific Gravity: 2.97 - 3.175
Crystal System: Monoclinic
Click here to learn more at Mindat.org
6 products
  • Winchite Specimen. 3g
    Winchite Specimen. 3g - The Crystal Connoisseurs
    Regular price
    €87,72
    Sale price
    €87,72
    Regular price
    Unit price
    per 
    Sold out
  • Winchite Specimen. 2.4g
    Winchite Specimen. 2.4g - The Crystal Connoisseurs
    Regular price
    €54,68
    Sale price
    €54,68
    Regular price
    Unit price
    per 
    Sold out
  • Winchite Specimen. 2.3g
    Winchite Specimen. 2.3g - The Crystal Connoisseurs
    Regular price
    €59,94
    Sale price
    €59,94
    Regular price
    Unit price
    per 
    Sold out
  • Winchite Specimen. 2.9g
    Winchite Specimen. 2.9g - The Crystal Connoisseurs
    Regular price
    €59,94
    Sale price
    €59,94
    Regular price
    Unit price
    per 
    Sold out
  • Winchite Specimen. 4g
    Winchite Specimen. 4g - The Crystal Connoisseurs
    Regular price
    €68,13
    Sale price
    €68,13
    Regular price
    Unit price
    per 
    Sold out
  • Double Terminated Winchite Specimen. 4g
    Double Terminated Winchite Specimen. 4g - The Crystal Connoisseurs
    Regular price
    €63,91
    Sale price
    €63,91
    Regular price
    Unit price
    per 
    Sold out