Fig. 2From: Mix-design and Properties of Mortars from Alkali-activated Fly Ashes Containing High Amounts of Unburned Carbon MatterDiffractograms of the investigated fly ashes: a FA(LCC) and b FA(HCC) (Q = SiO2, quartz; M = Al6Si2O13, mullite 15–776; H = Fe2O3, hematite 33–664).Back to article page