Gormanite

Gormanite
Gormanite
General
Category Phosphate minerals
Chemical formula (Fe,Mg)3Al4(PO4)4(OH)6·2H2O
Strunz classification 08.DC.45
Identification
Color blue green
Crystal habit aggregates
Cleavage {001} indistinct
Mohs scale hardness 4-5
Luster vitreous (glassy)
Streak pale green
Specific gravity 3.12
Birefringence .041
References [1][2]


Gormanite is a phosphate mineral with the formula (Fe,Mg)3Al4(PO4)4(OH)6·2H2O. It was named after the University of Toronto professor Donald Herbert Gorman.


References

  1. ^ Gormanite, MinDat.org, http://www.mindat.org/show.php?id=1729, retrieved 2011-01-30 
  2. ^ Gormanite, WebMineral.com, http://webmineral.com/data/Gormanite.shtml, retrieved 2011-01-30 


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