Introducing Ambrogio Yellow Earth Dispersion, a natural iron oxide hydroxide mineral from quarries in northern Italy. This deep golden yellow pigment is semi-transparent, permanent, and works beautifully in all mediums. As part of Rublev Colours Aqueous Dispersions, this product is specifically designed for use with traditional painting mediums, such as egg tempera, casein tempera, fresco, watercolors, and distemper (glue tempera). The dispersion is also ideal for use with gesso to create toned grounds for drawing and painting.

What sets Rublev Colours Aqueous Dispersions apart from others is the use of only naturally-derived ingredients, in addition to pigment and water. This ensures that the dispersion is perfectly suited for traditional mediums, without any coalescent solvents, artificial dispersing resins, or additives that can interfere with natural mediums. With Ambrogio Yellow Earth Dispersion, you can easily prepare traditional mediums without the hassle of working with powders, grinding pigments, or calculating binder ratios.

As a natural earth containing clay tinted by hydrated iron oxide, Ambrogio Yellow Earth is composed of goethite and traces of clay, gypsum, or manganese carbonate. Sourced from quarries near Sant'Ambrogio di Valpolicella in northern Italy, this pigment has been used since prehistoric times and is perhaps the most widely used pigment for artist paints. The Ambrogio Yellow Earth Dispersion offers a rich, vibrant yellow color that is lightfast and permanent, making it an excellent choice for artists seeking a high-quality, natural pigment.

In terms of characteristics, Ambrogio Yellow Earth Dispersion boasts a density of 2.9-4.3, hardness of 4.0-5.5, and refractive index of 2.260-2.398. Its Colour Index is Pigment Yellow 43 (77492), and its Chemical Formula is α-FeOOH. With an ASTM Lightfastness Rating of I in acrylic, oil, and watercolor, this pigment is an excellent choice for artists who demand the best.

As with all Rublev Colours Aqueous Dispersions, the Ambrogio Yellow Earth Dispersion is easy to use, requiring only the addition of egg yolk or other binder to create a high-quality, natural paint. With its rich, vibrant color and excellent lightfastness, this dispersion is an excellent addition to any artist's palette. Whether you're working in traditional mediums or seeking a high-quality, natural pigment for your artistic creations, Ambrogio Yellow Earth Dispersion is an exceptional choice.