Indigo

Indigo
natural earth + ultramarine blue + (prussian blue or phthalo blue)
	Very dark, blackish-blue top tone. Earthy greenish-blue undertone. Has an edgy feel to it. Great for line work. Made from natural earth, ultramarine blue, and prussian blue (for pigment sticks) or phthalo blue (for the encaustics).
Pigment Classification:		Availability
Opacity:	semi-transparent	R&F Encaustics	regular size
Lightfastness:	I	R&F Pigment Sticks	small and large size
Color Index Name:		Pigment Stick Drying Rate:	1 - Very Fast