Vivianite (Blue Ocher)

Product Details:

20 ml (0.68 fl oz)

Rublev Colours Vivianite (Blue Ocher) is an inky blue color from the natural mineral, Vivianite, used in historical painting. Our vivianite comes from bogs around the Moscow region, and has a dark blue masstone with a smokey blue undertone.

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Rublev Colours Artists' Watercolor Vivianite (Blue Ochre)
Note: Colors swatches are shown in mass tone, at top, mixed with an equal amount of water and brushed out toward the bottom. All pictures of color swatches in this web site are only approximations of the actual color of the watercolor paint. We have taken every care to match the color in these pictures on calibrated color monitors to the actual color. However, because of the wide variance in color monitors the results you get may vary.

Color Information
Single Pigment:	Vivianite
Binder:	Gum Arabic
Pigment Information
Color:	Blue
Colour Index:	Not applicable
Chemical Name:	Hydrated Iron Phosphate
Chemical Formula:	Fe3+(PO4)2-8(H2O)
Properties
ASTM Lightfastness:	Not listed
Opacity:	Semi-Transparent
Tinting Strength:	High
Staining:	Average

Note: Some separation of pigment and medium may occur in Rublev Watercolours and is a natural process when no stabilizers are added to paint to prevent this from occurring.

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