Natural Black Oxide 15ml

In stock

Rublev Colours Natural Black Oxide is from the French quarries in the heart of the Luberon Massif. It is neutral in undertone and is non-greasy, compared to carbon blacks. Learn more.

Natural Black Oxide is a natural black earth from slate deposits in the vicinity of Rome that is a semi-opaque black, and is absolutely permanent. It is comparatively neutral in undertone, wets easily, and is non-greasy, when compared to carbon blacks.

Rublev Colours Natural Black Oxide Watercolor
Rublev Colours Roman Black Watercolor

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.

Pigment Names
Common Names:English: black oxide
French: oxyde noir
German: Oxid Schwarzes
Italian: ossido nero
Portuguese: �xido preto
Spanish: �xido negro
Alternate Names:English: black iron oxide, iron oxide
French: fer oxyd�, naturelle noir Indien

Mars black is the name given to the artificial substitute of natural black oxide.

Color Information
Single Pigment:Roman Black
Binder:Gum Arabic
Pigment Information
Colour Index:Pigment Black 11 (77499)
Chemical Name:Iron oxide produced from magnetite ore
Chemical Formula:Fe3O4
ASTM Lightfastness:I
Tinting Strength:Medium

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

More Information
BrandRublev Colours
VendorRublev Colours
Processing TimeUsually ships the next business day.
Size15 ml

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Natural Black Oxide 15ml
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