COLOR ME CONE 6
A TWO-PART ONLINE WORKSHOP HOSTED BY POCOSIN ARTS
SATURDAY, FEBRUARY 22 FROM 5:30 to 8:30p, EST
SATURDAY, MARCH 8 FROM 5:30 to. 8:30pm EST
$210
This two-part workshop is a hands-on introduction to color development in glazes. Color is a complex subject with infinite possibilities. Copper, i.e., can manifest in glaze as a variant of green, blue, red, brown, or black, it can scatter light to create dichroic effects, and it can modify/be modified by other colorants to bring more nuance into the fold. The addition of one or more colorants to a ‘base’ glaze actually alters its chemistry to a greater or lesser extent; it becomes a new glaze with new chemical properties, likely to behave differently, so attention to application thickness and maturation temperature become important parts of the equation. Toward this end, participants will investigate color parameters using a standard color testing strategy (instructions for testing will be provided). Results will be discussed during the second section of the workshop. A lecture component will introduce the basic chemical components of a cone 6 glaze and the role each plays, with emphasis on those that affect color development; address colorants and their properties with regard to how they may change the appearance or behavior of a glaze; and provide context for how to apply this knowledge to your studio practice.
MATERIALS LIST:
2.5 to 3 gallon bucket to hold 4,000 grams wet glaze
7 quart-sized cups/containers that will hold 350 grams wet glaze each
21 small cups that will hold 100 grams wet glaze each
30 test tiles that will fit into small cups for glaze application
50 ml syringe
100 ml graduated cylinder or beaker for measuring water (or use syringe)
1 to 7 stiff paintbrushes for stirring colorants into glaze
Container for rinse water
Towel
Gram scale
60 mesh test sieve
PPE particulate face mask
4,000 grams of base glaze
Colorants: chrome oxide, red iron oxide, copper carbonate, cobalt carbonate, manganese dioxide or manganese carbonate, titanium dioxide or rutile, tin oxide or zircopax
Sharpie/tape for labeling containers
Underglaze pencil for labeling test tiles
Calculator