Chemistry:Kalsilite

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Kalsilite
Kalsilite.jpg
General
CategoryMineral
Formula
(repeating unit)
KAlSiO4
Crystal systemHexagonal
Crystal class6 2 2 – Trapezohedral
Space groupP6322 (no. 182)
Identification
ColorColorless, white, gray
TenacityBrittle
Mohs scale hardness6
|re|er}}Vitreous, greasy
StreakWhite
DiaphaneityTransparent, Translucent
Specific gravity2.59–2.62
References[1]
Short description: Vitreous white to grey feldspathoidal mineral

Kalsilite (KAlSiO4) is a vitreous white to grey feldspathoidal mineral that is found in some potassium-rich lavas, such as from Chamengo Crater in Uganda. It has a relative hardness of 5.5.

References

  1. "Kalsilite". mindat.org. http://www.mindat.org/min-2142.html. Retrieved 2021-12-17. 
  2. Warr, L.N. (2021). "IMA–CNMNC approved mineral symbols". Mineralogical Magazine 85 (3): 291–320. doi:10.1180/mgm.2021.43. Bibcode2021MinM...85..291W.