•Chemical Description: Violet volcaniclastic cemented porous rock.

• Light fastness - 8

• Alkali resistance: 5

• Lime resistance: 5

• Acid resistance: 5

•ColorIndex no data

• Glazing

•Suitable Acrylic, Fresco, Ceramics, Oil, Tempera, Watercolor/Gouache, Silicate binder, Cement/Plaster

•Color purple

• Powder form

• Hiding power is high.