Spinel Pink pigment

Chrome-aluminum pink spinel. It is a calcined mixture of aluminum (III) oxide, zinc (II) oxide, and chromium (III) oxide in various proportions, which are closely interdiffusive, creating a crystalline cubic matrix in the form of spinel.

Chemical description: Chromium-aluminium pink spinel with added zinc.

Chemical formula: (Cr,Zn)Al2O4

Light-resistance: 8

Alkali resistance: 5

Lime Resistance: 5

Acid resistance: 5

Color index: PR235

Suitability: Acrylic, Oil, Fresco, Tempera, Watercolor/Gouache, Silicate binder

Color: Pink