![Mason Stain 6383 Cobalt Aluminate](http://psh.ca/cdn/shop/products/SCTA1_1ba15a5d-24ab-41a2-a146-f01e70410bd3_{width}x.jpg?v=1625573256)
Mason® Stain 6383. Produces strong cobalt/royal blues in most glazes up to 2300 F. Blend with a zircon opacifier (Ultrox or Zircopax) to lighten with ZrV blue stain for warmer hues with CrSn crimsons/pinks (up to cone 6) for purples and mauves or with CrCo greens for blue-greens. May be used as a body stain. Composition - CoAl