Gunningitt
































Gunningitt
Generelt
KategoriSulfatmineral
Kjemisk formel(Zn,Mn2+)SO4·H2O
Strunz-klassifisering07.CB.05
Dana-klassifisering29.6.2.5
Krystallsymmetri2/m
Identifikasjon
FargeKvit til fargelaus
KrystallsystemMonoklin
KløyvUtydeleg
Mohs hardleiksskala~2.5
Glansglasaktig
TransparensGjennomskinneleg
Spesifikk vekt3.195
Optiske eigenskapar
Optiske eigenskaparToaksa (+)
Brytingsindeksnα = 1.570 nβ = 1.576 nγ = 1.630
Kjelder
[1][2][3]

Gunningitt er eit mineral som består av sinksulfat, ZnSO4·H2O. Det vert danna som eit sjeldant mineral ved forvitring av sfaleritt (sinkblende). Minerala
goslaritt og bianchitt, som har høgare vassinnhald, er vanlegare.


Mineralet er kalla opp etter den kanadiske geologen Henry Cecil Gunning (1901–1991).


Det er påvist frå Glomsrudkollen på Modum.



Kjelder |


  • Gunningitt. (14. februar 2009). I Store norske leksikon. Henta 14. februar 2014 frå http://snl.no/gunningitt.


  1. ↑ http://rruff.geo.arizona.edu/doclib/hom/gunningite.pdf Handbook of Mineralogi


  2. ↑ http://www.mindat.org/min-1778.html Mindat


  3. ↑ http://www.webmineral.com/data/Gunningite.shtml Webmineral data







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