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Zunyite



Zunyite
CategoryMineral
Chemical formulaAl13Si5O20(OH,F)18Cl
Identification
ColorWhite, Grey, Yellow, grey-blue, grey-green, transparent to translucent
Crystal systemIsometric
Cleavage[100] Perfect, [110] Good, [011] Distinct
FractureUneven
Mohs Scale hardness5.5 - 6
LusterVitreous to pearly
Specific gravity2.88
Other CharacteristicsCrystalline to fine form

Zunyite is a sorosilicate mineral, Al13Si5O20(OH,F)18Cl, composed of aluminium, silicon, hydrogen, chlorine, oxygen, and fluorine. It was discovered in 1884, and named for its discovery site, the Zuni mine in Colorado.

References

  • Web Mineral; retrieved March 26, 2005.
  • Ralph, Jolyon; 1993-2005 (mindat.org); retrieved March 26, 2005.
  • Glendale Community College; retrieved March 26, 2005.
  • Euromin; retrieved March 26, 2005.
 
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Zunyite". A list of authors is available in Wikipedia.
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