Cosmic Tea Dust Solo Glaze

Cosmic Tea Dust on White Cone 6 Clay

Some glazes reveal their character all at once. AMACO Cosmic Tea Dust PC-63 prefers a slower introduction. Applied in three coats over PSH 519 White Cone 6 clay, it settles into a deep brown surface filled with fine metallic sparkle. Under changing light, the glaze shifts between silver, bronze, and copper tones, creating a finish that feels different from every angle. In this mug by Karen Coleman, the glaze gathers softly around the carved details, emphasizing texture while preserving the form beneath.

A Close Look at Cosmic Tea Dust PC-63

The beauty of Cosmic Tea Dust comes from its balance of movement and control. Unlike highly fluid glazes that create dramatic runs, PC-63 remains stable during firing, making it suitable for textured pottery, stamps, carvings, and relief work. The raised wheel-like motifs on Karen Coleman’s mug catch highlights along their edges, while recessed areas deepen into rich shadows. This interaction between clay surface and glaze creates visual depth without relying on multiple glaze layers.

Cone 6 Results with Cosmic Tea Dust

Fired to Cone 6, Cosmic Tea Dust PC-63 develops a glossy surface filled with fine crystalline sparkle. The dark brown base remains warm rather than black, allowing subtle copper flashes to emerge where light strikes the glaze. On PSH 519 White Cone 6 clay, the result is clean, consistent, and easy to reproduce. Karen Coleman’s piece demonstrates how a single glaze can produce a complex finish, proving that thoughtful application and a well-matched clay body are often all that is needed to create a memorable ceramic surface.

• Clay – PSH 519 white Cone 6 clay
• AMACO Cosmic Tea Dust PC-63 x3 (doesn’t run)
• Fired to Cone 6

Credit: Karen Coleman