Tourmaline Sherl

Tourmaline Sherl

$27.50
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Tourmaline Sherl natural pigment powder consists of a complex crystalline silicate containing aluminum, boron, iron, and magnesium, as well as other elements. Boron-containing aluminosilicate. Chemical formula: NaFe2+3Al6Si6O18(BO3)3(OH)4 Light-resistance: 8 Alkali resistance: 5 Lime Resistance: 5 Acid resistance: 5 Color Index: - Suitability: Acrylic, Oil, Tempera, Watercolor / Gouache Color: black, greenish-black, brown Luster: glassy Transparency: Opaque

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