Schmincke Horadam Naturals Watercolor - Caucasus Earth, 15 ml Tube

Naturals Watercolor

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$18.84

Blick Art Materials · recorded 2026-10-21T13:44:33.857481000Z

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Product details
Size
15 ml
Blick SKU
86335-5532
About this product range
  • Superior quality colors made from naturally derived sources
  • 100% vegan formula
  • Rare, single-origin plant and mineral pigments
  • Less processed for subtle variations of color and texture

Schmincke Horadam Naturals Watercolors are a distinctive range of vegan, naturally derived colors featuring pigments sourced from plants, earth, and rocks. In addition to classic colors, such as Yellow Ochre, the range includes colors such as Turmeric, Indigo, and Madder—rare in modern professional palettes, but known to artists and craftspeople worldwide for centuries. While natural colors may lack the lightfastness of modern synthetics, they have a unique and subtle beauty that is irreplaceable and unique to find in such an artist-friendly format.

Additionally, Naturals includes mineral colors—but unlike the earth pigments typically found in artists’ colors, which rely on highly processed and standardized earth pigments, Schmincke has selected less-processed, single-origin pigments for the Naturals line. These colors retain more of their original character, offering subtle variations of texture inside each tube. Unlike traditional watercolors, Horadam Naturals are free from animal products. The binder, composed of simple and time-tested gum arabic, ensures effortless dilution and reactivation with water after drying.

Pigment information

General reference notes about pigments can describe other media (such as oil). They do not verify this product’s exact formulation or behavior.

Green Earth

Pigment code
PG23
Type
earth
Chemical name
hydrated iron, magnesium, aluminum and potassium silicates
Chemical formula
K[(Al,FeIII),(FeII,Mg)](AlSi3,Si4)O10(OH)2
Properties
Green earth is a natural pigment that varies from yellow and olive to blue-green in its composition and hues. It is semi-transparent, has low hiding power and tinting strength, muddies and darkens in oil, and is particularly good for tempera and fresco painting.
Permanence
Green Earth has excellent permanence and lightfastness, although some varieties can be developed by light calcining. It is one of the most permanent pigments because Earths are not affected by sunlight or atmospheric conditions.
Toxicity
Green Earth has no significant hazards.
History
Terre verte is French for green earth. It was discovered in antiquity, and its use has been traced to the Ajanta caves in India and a variety of Roman sites, including Pompeii. Green Earth was very popular for underpainting flesh tones in medieval paintings because this green was the compliment to pink on the medieval color wheel. Its use declined after the Renaissance. The natural supplies of the pigment are mostly depleted, and manufacturers currently duplicate the hue using mineral bases like Viridian, iron oxide, or chromium oxide, or artificial ceramic colorants. Pigments sold under this name can also be the result of mixing Sienna and Phthalo Green.
Description
Celadon Green, Celadonite. Green Bice, Holly Green, Stone Green, Terra Verte, Verdeterra, Verdetta, Veronese Green. Bohemian Earth is a high quality, clear, middle-green variety. Cyprus Green Earth, or Cyprian, is a high quality yellowish variety. Tyrolean and Verona Earth are high quality bluish varieties. Verona Brown is a calcinated variation of Green Earth. Burnt Green Earth is similar to Transparent Brown

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