Kalsilite

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.

Kalsilite
General
CategoryMineral
Formula
(repeating unit)
KAlSiO4
IMA symbolKls[1]
Crystal systemHexagonal
Crystal class6 2 2 - Trapezohedral
Space groupP6322 (no. 182)
Identification
ColorColorless, white, gray
TenacityBrittle
Mohs scale hardness6
LusterVitreous, greasy
StreakWhite
DiaphaneityTransparent, Translucent
Specific gravity2.59 - 2.62
References[2]

References

  1. Warr, L.N. (2021). "IMA–CNMNC approved mineral symbols". Mineralogical Magazine. 85 (3): 291–320. Bibcode:2021MinM...85..291W. doi:10.1180/mgm.2021.43. S2CID 235729616.
  2. "Kalsilite". mindat.org. Retrieved 2021-12-17.


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