Table 4.

Compositions and properties of pastes derived from the alkali activation of pure and mixed alumino-silicate and carbonate muds [45,46].

	Pure Alumino-Silicate	Mixed Alumino-Silicate/Carbonate	Mixed Carbonate/Silica	Pure Carbonate
Composition	100% granite	~70% granite	95.4% marble	100% marble
		~30% dolomite	4.6% waste glass
28 day compressive strength	~30 MPa	~30 MPa	~45 MPa	>35 MPa
28 day flexural strength	~12 MPa	~14 MPa	~17 MPa	~11 MPa
Water resistance	Rapid dissolution	Crack formation	Optimal behavior	Crack formation